RIVERVIEW SURGICAL CENTER LLC
NPI 1003374711
Clinic/Center - Ambulatory Surgical in South Sioux City, NE

NPI Status: Active since March 12, 2019

Contact Information

201 E 4TH STREET
SOUTH SIOUX CITY, NE
ZIP 68776
Phone: (712) 224-3033
Fax: (712) 224-3037

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  • Organization
  • Clinic/Center
  • Ambulatory Surgical
  • Accepts Insurance
  • CLIA Number: 28D2167505
  • CLIA Cert. Type: Ambulatory Surgery Center
  • CLIA Exp. Date: 06-09-2027

About RIVERVIEW SURGICAL CENTER LLC

This page provides the complete NPI Profile along with additional information for Riverview Surgical Center Llc, a provider established in South Sioux City, Nebraska operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1003374711 assigned on March 2019. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated July 2025. The authorized official of this NPI record is Matt Niemeier (Ceo)

NPI
1003374711
Provider Name
RIVERVIEW SURGICAL CENTER LLC
Entity Type
Organization
Location Address
201 E 4TH STREET SOUTH SIOUX CITY, NE 68776
Location Phone
(712) 224-3033
Location Fax
(712) 224-3037
Mailing Address
201 E 4TH ST STE 100 SOUTH SIOUX CITY, NE 68776
Mailing Phone
(402) 412-2160
Mailing Fax
(712) 224-3037
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-12-2019
Last Update Date
07-21-2025
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Clinic/Center Ambulatory Surgical

Taxonomy Code
261QA1903X
Type
Ambulatory Health Care Facilities

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Premier Silver - EPO
  • Premier Silver + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Clear Gold - HMO
  • Clear Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Choice Bronze HSA - EPO
  • Choice Bronze HSA + Vision + Adult Dental - EPO
  • Clear Silver - EPO
  • Clear Silver + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Clear Silver - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Elite Gold - EPO
  • Elite Gold + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Standard Silver + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Silver - HMO
  • Elite Silver + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO
  • Premier Bronze HSA - EPO
  • Premier Bronze HSA + Vision + Adult Dental - EPO
  • Standard Expanded Bronze - EPO
  • Standard Expanded Bronze + Vision + Adult Dental - EPO
  • Standard Gold - EPO
  • Standard Gold + Vision + Adult Dental - EPO
  • Standard Silver - EPO
  • Central Bronze - HMO
  • Central Bronze + Vision + Adult Dental - HMO
  • Central Gold - HMO
  • Central Gold + Vision + Adult Dental - HMO
  • Clear Silver - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Expanded Bronze - HMO
  • Standard Expanded Bronze + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Avera $1800 - PPO
  • Avera $2000 - PPO
  • Avera $4000 - PPO
  • Avera $4500 - PPO
  • Avera $6000 - PPO
  • Avera $7500 HSA Eligible HDHP - PPO
  • Avera $9200 - PPO
  • Avera Standard $1500 - PPO
  • Avera Standard $5000 - PPO
  • Avera Standard $7500 - PPO
  • HeartlandBlue Bronze 0% Coinsurance after Deductible NEtwork Blue - EPO
  • HeartlandBlue Bronze 0% Coinsurance after Deductible NEtwork Blue PPO - PPO
  • HeartlandBlue Bronze HSA 6500 NEtwork Blue - EPO
  • HeartlandBlue Bronze HSA 6500 NEtwork Blue PPO - PPO
  • HeartlandBlue Bronze Standard 7500 NEtwork Blue - EPO
  • HeartlandBlue Bronze Standard 7500 NEtwork Blue PPO - PPO
  • HeartlandBlue Gold $0 Deductible NEtwork Blue - EPO
  • HeartlandBlue Gold $0 Deductible NEtwork Blue PPO - PPO
  • HeartlandBlue Gold $0 PCP Visit 1500 NEtwork Blue - EPO
  • HeartlandBlue Gold $0 PCP Visit 1500 NEtwork Blue PPO - PPO
  • HeartlandBlue Gold Standard 1500 NEtwork Blue - EPO
  • HeartlandBlue Gold Standard 1500 NEtwork Blue PPO - PPO
  • HeartlandBlue Silver $0 Mental Health Visit 6000 NEtwork Blue - EPO
  • HeartlandBlue Silver $0 Mental Health Visit 6000 NEtwork Blue PPO - PPO
  • HeartlandBlue Silver $0 PCP Visit 4500 NEtwork Blue - EPO
  • HeartlandBlue Silver $0 PCP Visit 4500 NEtwork Blue PPO - PPO
  • HeartlandBlue Silver Standard 5000 NEtwork Blue - EPO
  • HeartlandBlue Silver Standard 5000 NEtwork Blue PPO - PPO
  • Bronze Classic - EPO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Gold Classic Standard - EPO
  • Gold Elite - EPO
  • Secure - EPO
  • Silver Classic - EPO
  • Silver Classic Standard - EPO
  • Silver Simple Diabetes - EPO
  • Silver Simple PCP Saver - EPO
  • Sanford Individual Simplicity $1,750 - PPO
  • Sanford Individual Simplicity $3,500 - PPO
  • Sanford Individual Simplicity $4,750 - PPO
  • Sanford Individual Simplicity $6,000 - PPO
  • Sanford Individual Simplicity $7,100 HSA Qualified - PPO
  • Sanford Individual Simplicity $9,200 - PPO
  • Sanford Individual Simplicity Standardized $1,500 - PPO
  • Sanford Individual Simplicity Standardized $5,000 - PPO
  • Sanford Individual Simplicity Standardized $7,500 - PPO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Bronze Standard (No Referrals) - EPO
  • UHC Bronze Value ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) - EPO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) - EPO
  • UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) - EPO
  • UHC Gold Standard (No Referrals) - EPO
  • UHC Gold Value ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) - EPO
  • UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) - EPO
  • UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) - EPO
  • UHC Silver Standard (No Referrals) - EPO
  • UHC Silver Standard+ (Dental + Vision, No Referrals) - EPO
  • UHC Silver Value ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) - EPO
  • UHC Silver Value+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) - EPO
  • Wellmark Bronze HDHP HMO HSA Qualified - HMO
  • Wellmark Bronze Standard | UnityPoint Health - HMO
  • Wellmark Bronze Traditional HMO - HMO
  • Wellmark Gold Primary Care | UnityPoint Health - HMO
  • Wellmark Gold Traditional HMO - HMO
  • Wellmark Silver Primary Care | UnityPoint Health - HMO
  • Wellmark Silver Traditional HMO - HMO
  • Wellmark Standard Bronze HMO - HMO
  • Wellmark Standard Gold HMO - HMO
  • Wellmark Standard Silver HMO - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MATT NIEMEIER

Authorized Official Title
CEO
Authorized Official Phone
(402) 412-2160

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Aspiration and/or injection of fluid from large joint

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

This service was performed 23 times for 19 patients

Complex removal of cataract with insertion of prosthetic lens

This procedure involves removing a cloudy lens (cataract) from your eye and replacing it with a clear, artificial lens. It helps restore vision that has been affected by the cataract. The operation is usually done under local anesthesia.

This service was performed 33 times for 26 patients

Correction of bunion with 2 areas of realignment

A bunion correction with 2 areas of realignment is a surgical procedure to fix a bony bump on the foot. The surgery involves realigning the bone and joint, to relieve pain and improve foot function. The two areas of realignment help restore natural foot shape.

This service was performed 20 times for 19 patients

Correction of toe joint deformity

Correction of toe joint deformity is a procedure to fix misshapen toe joints. This can involve realigning the bones, removing bone or tissue, or implanting devices to improve joint function. It can help reduce pain and improve mobility.

This service was performed 53 times for 23 patients

Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye

This is a two-part eye procedure. First, a cloudy lens (cataract) is removed from its outer layer and replaced with an artificial lens to improve vision. Second, a drainage device is inserted into the front part of the eye to manage fluid levels, preventing pressure build-up.

This service was performed 21 times for 12 patients

Incision of tendon covering of finger

This procedure involves making a small cut into the protective sheath around a finger tendon. It's typically done to relieve pressure or inflammation, improve finger movement, or treat conditions like trigger finger. It's a safe, often outpatient procedure.

This service was performed 19 times for 14 patients

Incision or partial removal of foot bone (other than big toe) to straighten toe

This procedure involves making a small incision to partially remove a bone in the foot, excluding the big toe. The aim is to straighten a misaligned toe. It helps in relieving pain, improving foot function, and enhancing shoe comfort.

This service was performed 28 times for 18 patients

Incision or partial removal of heel bone

This procedure, known as a partial calcaneal ostectomy, involves making an incision and removing a part of the heel bone. It's typically performed to alleviate discomfort or rectify structural problems in the foot. Rest and rehabilitation are necessary for recovery.

This service was performed 12 times for 12 patients

Incision to improve eye fluid flow

This procedure, known as a trabeculectomy, involves creating a small opening in the eye to improve fluid flow. This can help lower eye pressure in conditions like glaucoma. It's a common, safe procedure to protect your eye health.

This service was performed 67 times for 38 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

This service was performed 155 times for 74 patients

Injection of substance into lower spine canal using imaging guidance

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

This service was performed 58 times for 41 patients

Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrography

This procedure involves injecting medicine into the sacroiliac joint, located in the lower back. The aim is to reduce inflammation and pain. Anesthetic is used for immediate pain relief, while a steroid helps decrease inflammation over time. Arthrography, a type of imaging, may be used for precision.

This service was performed 69 times for 32 patients

Laser repair to improve eye fluid flow

Laser repair to improve eye fluid flow is a procedure aimed at treating glaucoma. A laser is used to create a small hole in the eye's drainage system, allowing fluid to flow out more easily. This helps to lower the pressure inside the eye, reducing the risk of vision loss.

This service was performed 34 times for 19 patients

Lengthening of calf muscle

Lengthening of the calf muscle is a procedure aimed at increasing flexibility and improving motion in the foot and ankle. This surgical process involves making a small incision to release the tight muscle or tendon, aiding in better mobility.

This service was performed 41 times for 40 patients

Phenylephrine 10.16 mg/ml and ketorolac 2.88 mg/ml ophthalmic irrigation solution, 1 ml

This solution is used during eye surgery to maintain pupil dilation and reduce inflammation. Phenylephrine widens the pupil, while Ketorolac helps to prevent pain and swelling. It's applied directly to the eye by your healthcare provider during the procedure.

This service was performed 3,308 times for 439 patients

Release and/or relocation of hand nerve

This procedure involves adjusting or moving a nerve in your hand to alleviate discomfort or improve function. The nerve may be compressed, causing pain or numbness. By releasing or relocating the nerve, these symptoms can be reduced, enhancing hand usage.

This service was performed 35 times for 28 patients

Removal of cataract with insertion of prosthetic lens

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

This service was performed 792 times for 423 patients

Removal of recurring cataract in lens capsule using a laser

This procedure, known as YAG laser capsulotomy, treats cloudiness in the lens capsule following cataract surgery. A laser is used to create a small hole in the cloudy capsule, allowing light to pass through and restore clear vision. It's a quick, painless procedure.

This service was performed 161 times for 92 patients

Replacement of knee joint, both sides of knee

A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.

This service was performed 21 times for 20 patients

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
28D2167505
Facility Type
Ambulatory Surgery Center
Certificate Effective Date
June 10, 2025
Certificate Expiration Date
June 09, 2027
Laboratory Director
DR. PHINIT PHISITKUL
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Riverview Surgical Center Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1003374711
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
200367872
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 0 + 0 + 3 + 6 + 7 + 8 + 7 + 2 + 24 = 59
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
60 - 59 = 11

The NPI number 1003374711 is valid because the calculated check digit 1 using the Luhn validation algorithm matches the last digit of the original NPI number.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003374711, enumerated in the NPI registry as an "organization" on March 12, 2019

The provider is located at 201 E 4th Street South Sioux City, Ne 68776 and the phone number is (712) 224-3033

This medical organization specializes in Clinic/Center with taxonomy code 261QA1903X with a focus in Ambulatory Surgical

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter from. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

The most common procedures or services performed by this practitioner are: Aspiration and/or injection of fluid from large joint, Complex removal of cataract with insertion of prosthetic lens, Correction of bunion with 2 areas of realignment, Correction of toe joint deformity, Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye, Incision of tendon covering of finger, Incision or partial removal of foot bone (other than big toe) to straighten toe, Incision or partial removal of heel bone, Incision to improve eye fluid flow, Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level, Injection of substance into lower spine canal using imaging guidance, Injection procedure for sacroiliac joint; provision of anesthetic, steroid and/or other therapeutic agent, with or without arthrography, Laser repair to improve eye fluid flow, Lengthening of calf muscle, Phenylephrine 10.16 mg/ml and ketorolac 2.88 mg/ml ophthalmic irrigation solution, 1 ml, Release and/or relocation of hand nerve, Removal of cataract with insertion of prosthetic lens, Removal of recurring cataract in lens capsule using a laser and Replacement of knee joint, both sides of knee.

The provider's CLIA number is 28D2167505 for a "ambulatory surgery center" facility with a CLIA Certificate of Waiver. This CLIA certificate is issued to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria..

This NPI record was last updated on March 12, 2019. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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