Phillip Nahirniak, D.O.
Surgery Physician · Saginaw, MI
Phillip Nahirniak, D.O. is a surgery physician with a practice address in Saginaw, Michigan, and NPI 1437681327, issued on Mar 30, 2017. Check the license (Michigan 5101026882, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Phillip Nahirniak
- Credential
- D.O.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 5101026882 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5415 Cardinal Square Blvd, Saginaw, MI 48604
- Phone
- (586) 863-2561
- Enumerated
- Mar 30, 2017
- Record last updated
- Jul 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20221102000792); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2017
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,376 in Michigan → Look up another NPI →
Also registered at 5415 Cardinal Square Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandy Duke, MSN, FNP-CNurse Practitioner1679352371
- Jason Kuhn, D.O.Surgery Physician1982041919
- Sujal Patel, MDSurgery Physician1144213539
- Jorge Reguero Hernandez, M.D.Colon & Rectal Surgery Physician1700029394
- Todd Richardson, MDSurgery Physician1144275256
- Chad Ringley, M.D.Surgery Physician1295781631
Verify Phillip Nahirniak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101026882Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average surgery physician in 2024
57 Medicare Part D claims for 37 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Oxycodone Hcl21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,457.20
7 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Covenant Medical Center IncSaginaw, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Phillip Nahirniak among 1,376 surgery physician records in Michigan
Phillip Nahirniak, D.O. is one of 1,376 surgery physician records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 72% of them.
- NPI issued2017 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2017 · median 2006 among the 721 with a school on file
- Record last updated2023 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Michigan
There are 1,376 surgery physician records in Michigan.
All 1,376 in Michigan → Every provider in Saginaw → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Sussan Bays, MDSaginaw, MI 486041265415228
- Christopher Garces, M.D.Saginaw, MI 486041285703744
- Jason Kuhn, D.O.Saginaw, MI 486041982041919
- Brenda Ma, DOSaginaw, MI 486041144883703
- Sujal Patel, MDSaginaw, MI 486041144213539
- Todd Richardson, MDSaginaw, MI 486041144275256
- Chad Ringley, M.D.Saginaw, MI 486041295781631
- Andrew Vasyluk, M.D.Saginaw, MI 486041215316518
Common questions
What is Phillip Nahirniak, D.O.'s NPI number?
Phillip Nahirniak, D.O.'s National Provider Identifier (NPI) is 1437681327, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Phillip Nahirniak, D.O. located?
The NPPES record lists a practice address at 5415 Cardinal Square Blvd, Saginaw, MI, 48604. Phone: (586) 863-2561. Providers update this record themselves, so call before visiting.
How can I verify Phillip Nahirniak, D.O.'s license?
NPPES lists Michigan license number 5101026882, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Phillip Nahirniak, D.O. prescribe under Medicare Part D?
In 2024, Phillip Nahirniak, D.O. had 57 Medicare Part D claims for 37 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.