NATHANIEL RIGGAN
NPI 1255015715
Surgery in Saginaw, MI
NPI Status: Active since June 14, 2023
Contact Information
1000 HOUGHTON AVE
SAGINAW, MI
ZIP 48602
Phone: (989) 746-7500
- Individual
- Male
- Surgery
- PECOS Enrolled
About NATHANIEL RIGGAN
This page provides the complete NPI Profile along with additional information for Nathaniel Riggan, a provider established in Saginaw, Michigan with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1255015715 assigned on June 2023. The practitioner's primary taxonomy code is 208600000X with license number 4351051953 (MI). The provider is registered as an individual and his NPI record was last updated 2 years ago.
- NPI
- 1255015715
- Provider Name
- NATHANIEL RIGGAN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1000 HOUGHTON AVE SAGINAW, MI 48602
- Location Phone
- (989) 746-7500
- Mailing Address
- 1000 HOUGHTON AVE SAGINAW, MI 48602
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-14-2023
- Last Update Date
- 06-15-2023
- Code Navigator
A surgeon like Nathaniel Riggan treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.
Location Map
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
Surgery
- Taxonomy Code
- 208600000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 4351051953
- License State
- MI
- Taxonomy Description
- A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Medicare Participation & PECOS Enrollment Status
Nathaniel Riggan is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Physician Visit Costs
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 48602 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99203
- Average New Patient Price $84.74
- Minimum New Patient Price $54.34
- Maximum New Patient Price $166.68
- Average New Patient Copayment $21.18
- Minimum New Patient Copayment $13.58
- Maximum New Patient Copayment $41.67
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99213
- Average Established Patient Price $68.07
- Minimum Established Patient Price $17.09
- Maximum Established Patient Price $135.4
- Average Established Patient Copayment $17.01
- Minimum Established Patient Copayment $4.27
- Maximum Established Patient Copayment $33.85
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
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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. | |||||||||
| 1 | 2 | 5 | 5 | 0 | 1 | 5 | 7 | 1 | 5 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 2 | 10 | 5 | 0 | 1 | 10 | 7 | 2 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 2 + 1 + 0 + 5 + 0 + 1 + 1 + 0 + 7 + 2 + 24 = 45 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 50 - 45 = 5 | 5 | ||||||||
The NPI number 1255015715 is valid because the calculated check digit 5 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1780668368 | THOMAS WILLIAM PAPPERMAN MD Individual | Obstetrics & Gynecology | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-7415 |
| 1902847122 | DANIEL ELSHOLZ MD Individual | Pediatrics (Pediatric Endocrinology) | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6800 |
| 1063437432 | DR. RONALD C HAZEN M.D. Individual | Family Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6812 |
| 1851316293 | DR. THOMAS A RASKAUSKAS M.D. Individual | Obstetrics & Gynecology | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6812 |
| 1023038197 | MICHELLE A BADER CNM Individual | Advanced Practice Midwife | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6800 |
| 1336250505 | MANISHA GUPTA M.D. Individual | Internal Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6812 |
| 1043312820 | CHRISTINE I ROHR D.O. Individual | Internal Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6800 |
| 1407951569 | DR. SUHASINI GUDIPATI M.D. Individual | Internal Medicine (Infectious Disease) | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6800 |
| 1447343074 | MARILYN FILTER CNM Individual | Advanced Practice Midwife | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6800 |
| 1265526313 | DR. NICHOLAS JOHN HRUBY M.D. Individual | Pathology (Anatomic Pathology & Clinical Pathology) | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6703 |
| 1952438913 | MS. KAY E. MCLAREN CNP Individual | Nurse Practitioner (Psychiatric/Mental Health) | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-7415 |
| 1851517114 | VIJAY KUMAR GORINTALA SUBBANNA M.D. Individual | Family Medicine (Geriatric Medicine) | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6800 |
| 1881813541 | HASHIM RAZA MD Individual | Psychiatry & Neurology (Psychiatry) | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6800 |
| 1528236841 | IRA BICKHAM WOOD III M.D. Individual | Emergency Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6817 |
| 1740459338 | DR. NATHAN D. WHITTAKER M.D. Individual | Emergency Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6865 |
| 1861661258 | MICHELLE LIAMIDI M.D. Individual | Obstetrics & Gynecology | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6828 |
| 1154591402 | FRANCIS JOSEPH SABATINO M.D. Individual | Emergency Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (732) 904-8946 |
| 1972773893 | ADAM VON NOFZIGER M.D. Individual | Emergency Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6817 |
| 1508037284 | JASON AMMON BRANCH M.D. Individual | Emergency Medicine | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-6820 |
| 1609040021 | SYNERGY FAMILY MEDICINE PROGRAM Organization | Clinic/Center | 1000 HOUGHTON AVE SAGINAW, MI 48602 (989) 583-7917 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1255015715, enumerated in the NPI registry as an "individual" on June 14, 2023
The provider is located at 1000 Houghton Ave Saginaw, Mi 48602 and the phone number is (989) 746-7500
The provider's speciality is Surgery with taxonomy code 208600000X
Yes, as of June 20, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary the provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
Medicare beneficiaries should expect a typical cost of $84.74 with an average copayment of $21.18 for new patient appointments. Established patients should expect a typical charge of $68.07 and an average copayment of 17.01. Please review your insurance plan or contact the provider directly to determine your specific costs.
This NPI record was last updated on June 14, 2023. 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].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.