DR. RUTH AIDA KOSAK DPM
NPI 1518210004
Podiatrist - Primary Podiatric Medicine in Scottsdale, AZ

NPI Status: Active since October 21, 2012

Contact Information

11390 E VIA LINDA #102
SCOTTSDALE, AZ
ZIP 85259
Phone: (480) 247-8443
Fax: (480) 292-9381

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  • Individual
  • Female
  • Years of Experience 15
  • Podiatrist
  • Primary Podiatric Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About RUTH KOSAK

This page provides the complete NPI Profile along with additional information for Ruth Kosak, a provider established in Scottsdale, Arizona with a medical specialization in Podiatrist, focusing in primary podiatric medicine and more than 15 years of experience. The healthcare provider is registered in the NPI registry with number 1518210004 assigned on October 2012. The practitioner's primary taxonomy code is 213EP1101X with license number 798 (AZ). The provider is registered as an individual and her NPI record was last updated 8 years ago.

NPI
1518210004
Provider Name
DR. RUTH AIDA KOSAK DPM
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
11390 E VIA LINDA #102 SCOTTSDALE, AZ 85259
Location Phone
(480) 247-8443
Location Fax
(480) 292-9381
Mailing Address
11390 E VIA LINDA #102 SCOTTSDALE, AZ 85259
Mailing Phone
(480) 247-8443
Mailing Fax
(480) 292-9381
Medical School Name
OTHER
Graduation Year
2011
Is Sole Proprietor?
Yes
Enumeration Date
10-21-2012
Last Update Date
08-14-2017
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A podiatrist like Ruth Kosak provides medical and surgical care for people with foot, ankle, and lower leg issues. Podiatrists treat foot and ankle ailments like calluses, ingrown toenails, heel spurs, arthritis, congenital foot deformities, foot problems associated with diabetes and arch problems.

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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

Podiatrist Primary Podiatric Medicine

Taxonomy Code
213EP1101X
Type
Podiatric Medicine & Surgery Service Providers
License No.
798
License State
AZ

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1213ES0000XPodiatric Medicine & Surgery Service Providers

Podiatrist
Sports Medicine

798 (AZ)
2213ES0103XPodiatric Medicine & Surgery Service Providers

Podiatrist
Foot & Ankle Surgery

798 (AZ)

Insurance Plans Accepted

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

  • BannerAetna Bronze 2 HSA: No PCP required + 98point6 virtual care 24/7 - HMO
  • BannerAetna Bronze 4: No PCP required + $0 PCP + free 98.6 virtual care 24/7 + Adult Dental + Vision - HMO
  • BannerAetna Bronze 4: No PCP required + $0 PCP + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Bronze S: No PCP required + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Gold 10: No PCP required + $0 PCP + free 98.6 virtual care 24/7 + Adult Dental + Vision - HMO
  • BannerAetna Gold 10: No PCP required + $0 PCP + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Gold 3: No PCP required + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Gold 3: No PCP required + free 98point6 virtual care 24/7 + Adult Dental + Vision - HMO
  • BannerAetna Gold S: No PCP required + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Silver 10: No PCP required + $0 PCP + free 98.6 virtual care 24/7 + Adult Dental +Vision - HMO
  • BannerAetna Silver 4: No PCP required + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Silver 4: No PCP required + free 98point6 virtual care 24/7 + Adult Dental + Vision - HMO
  • BannerAetna Silver 5: No PCP required + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Silver S: No PCP required + free 98point6 virtual care 24/7 - HMO
  • BannerAetna Silver S: No PCP required + free 98point6 virtual care 24/7 + Adult Dental + Vision - HMO
  • Blue Portfolio HSA Gold - Statewide PPO Network - PPO
  • Blue PPO PremierHealth Silver - Statewide PPO Network - PPO
  • Blue PPO PremierHealth Gold - Statewide PPO Network - PPO
  • Blue PPO StandardHealth Gold - Statewide PPO Network - PPO
  • Blue PPO StandardHealth Silver - Statewide PPO Network - PPO
  • Bronze Classic 4700 - HMO
  • Bronze Classic Standard - HMO
  • Bronze Elite + PCP Saver Plus - HMO
  • Gold Classic - HMO
  • Gold Classic Standard - HMO
  • Secure - HMO
  • Silver Classic Standard - HMO
  • Silver Elite Saver Plus - HMO
  • Silver Simple Chronic Care CKM - HMO
  • Silver Simple PCP Saver - HMO
  • Silver Simple Specialist Saver with COPD - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Value ($0 Virtual Urgent Care) - HMO
  • UHC Bronze Value+ ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • UHC Gold Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx) - HMO
  • UHC Gold Advantage+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx) - HMO
  • UHC Gold Standard - HMO
  • UHC Silver Advantage ($0 Virtual Urgent Care, $3 Tier 2 Rx) - HMO
  • UHC Silver Advantage+ ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision) - HMO
  • UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) - HMO
  • UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) - HMO
  • UHC Silver Standard - HMO

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

Medicare Participation & PECOS Enrollment Status

Ruth Kosak is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Ruth Kosak 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) and a Home Health Agency (HHA).

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

  • PECOS PAC ID: 4880918200

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20150113001358

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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: No

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 medium joint

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

This service was performed 26 times for 24 patients

Aspiration and/or injection of fluid from small joint

This procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.

This service was performed 73 times for 58 patients

Aspiration and/or injection of fluid from small joint using ultrasound guidance

This procedure involves using ultrasound to accurately locate a small joint. A needle is then carefully inserted to remove fluid (aspiration) or inject medication. This can help diagnose or treat joint issues. It's generally safe and minimally invasive.

This service was performed 47 times for 36 patients

Complete ultrasound scan of joint

A complete ultrasound scan of a joint is a non-invasive procedure using sound waves to create images of your joint. It helps identify problems like inflammation, injury, or disease. It's painless, safe, and doesn't involve radiation.

This service was performed 11 times for 11 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 773 times for 311 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 18 times for 15 patients

Injection into tendon or ligament

An injection into a tendon or ligament involves placing medication directly into these areas to help reduce inflammation and pain. It's often used for conditions like arthritis or tendonitis. The procedure is quick and usually involves a local anesthetic.

This service was performed 24 times for 19 patients

Injection of anesthetic and/or steroid drug into foot nerve

This procedure involves injecting a combination of anesthetic and/or steroid medication into a nerve in your foot. It's designed to alleviate pain and inflammation. You may experience temporary numbness or relief in the treated area.

This service was performed 33 times for 27 patients

Injection of drug or substance under skin or into muscle

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

This service was performed 83 times for 49 patients

Injection, dexamethasone sodium phosphate, 1 mg

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

This service was performed 406 times for 123 patients

Injection, garamycin, gentamicin, up to 80 mg

This procedure involves administering an injection of Gentamicin, also known as Garamycin, up to a dose of 80 mg. Gentamicin is an antibiotic used to treat a wide variety of bacterial infections. It works by stopping the growth of bacteria.

This service was performed 51 times for 28 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

This service was performed 199 times for 120 patients

Melanoma (skin cancer) excision

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

This service was performed for 1-10 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 260 times for 260 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 15 times for 15 patients

Permanent removal fingernail or toenail

Permanent removal of a fingernail or toenail, also known as avulsion, is a procedure performed to treat nail infections or severe ingrown nails. The nail is carefully removed under local anesthesia. After removal, a chemical is applied to prevent nail regrowth, ensuring the issue does not recur.

This service was performed 59 times for 43 patients

Removal of fingernails or toenails, 1-5 nails

This procedure involves the careful removal of 1-5 nails from fingers or toes. It's typically done to treat conditions like ingrown nails, fungal infections, or damaged nails. Local anesthesia is used for comfort, and the area heals over time with appropriate care.

This service was performed 48 times for 41 patients

Removal of fingernails or toenails, 6 or more nails

This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.

This service was performed 403 times for 157 patients

Removal of noncancer thickened skin growth, 1 growth

This procedure involves the removal of a thickened skin growth that is not cancerous. A healthcare professional will safely extract the growth, usually under local anesthesia. This process helps maintain skin health and prevent potential complications.

This service was performed 91 times for 69 patients

Removal of noncancer thickened skin growth, 2-4 growths

This procedure involves the safe removal of 2-4 noncancerous thickened skin growths. It's typically done under local anesthesia. The process helps to alleviate discomfort and prevent potential complications. It's a standard, low-risk procedure.

This service was performed 131 times for 83 patients

Removal of skin of fingernail or toenail

This procedure, called a nail avulsion, involves the removal of a fingernail or toenail's skin, usually due to an infection, injury, or abnormal growth. It's performed under local anesthesia to minimize discomfort, and promotes healthy nail regrowth and healing.

This service was performed 61 times for 43 patients

Removal of tissue from wound, 20.0 sq cm or less

This procedure involves the careful removal of damaged or infected tissue from a wound that's 20.0 square cm or less. It's done to promote healing and prevent further infection. The process is carried out under local anesthesia, ensuring minimal discomfort.

This service was performed 93 times for 54 patients

Simple separation of fingernail or toenail from nail bed, first nail

This procedure involves the gentle removal of the first nail from its bed, often due to injury or infection. It's performed under local anesthesia to minimize discomfort. The nail will gradually regrow over time.

This service was performed 36 times for 36 patients

Ultrasonic guidance for needle placement

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

This service was performed 23 times for 20 patients

X-ray of foot, 2 views

An X-ray of the foot, 2 views, is a quick, painless test that produces images of the bones and structures inside your foot. Two different angles are used to provide a comprehensive view. This helps doctors diagnose fractures, infections, or other abnormalities.

This service was performed 125 times for 95 patients

X-ray of foot, minimum of 3 views

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

This service was performed 18 times for 17 patients

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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.
1518210004
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
252841000
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 5 + 2 + 8 + 4 + 1 + 0 + 0 + 0 + 24 = 46
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
50 - 46 = 44

The NPI number 1518210004 is valid because the calculated check digit 4 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 1518210004, enumerated in the NPI registry as an "individual" on October 21, 2012

The provider is located at 11390 E Via Linda #102 Scottsdale, Az 85259 and the phone number is (480) 247-8443

The provider's speciality is Podiatrist with taxonomy code 213EP1101X with a focus in Primary Podiatric Medicine

The provider has more than 15 years of experience.

The provider might be accepting Accepts: BannerAetna, Blue Cross Blue Shield of Arizona,. Please consult your insurance carrier or call the provider to make sure your health plan is currently accepted.

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) and a Home Health Agency (HHA).

The most common procedures or services performed by this practitioner are: Aspiration and/or injection of fluid from medium joint, Aspiration and/or injection of fluid from small joint, Aspiration and/or injection of fluid from small joint using ultrasound guidance, Complete ultrasound scan of joint, Established patient office or other outpatient visit, 20-29 minutes, Established patient office or other outpatient visit, 30-39 minutes, Injection into tendon or ligament, Injection of anesthetic and/or steroid drug into foot nerve, Injection of drug or substance under skin or into muscle, Injection, dexamethasone sodium phosphate, 1 mg, Injection, garamycin, gentamicin, up to 80 mg, Injection, triamcinolone acetonide, not otherwise specified, 10 mg, Melanoma (skin cancer) excision, New patient office or other outpatient visit, 30-44 minutes, New patient office or other outpatient visit, 45-59 minutes, Permanent removal fingernail or toenail, Removal of fingernails or toenails, 1-5 nails, Removal of fingernails or toenails, 6 or more nails, Removal of noncancer thickened skin growth, 1 growth, Removal of noncancer thickened skin growth, 2-4 growths, Removal of skin of fingernail or toenail, Removal of tissue from wound, 20.0 sq cm or less, Simple separation of fingernail or toenail from nail bed, first nail, Ultrasonic guidance for needle placement, X-ray of foot, 2 views and X-ray of foot, minimum of 3 views.

This NPI record was last updated on October 21, 2012. 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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