NPPES file of Aug 9, 2026

Stephen Holihan, MD

Emergency Medicine Physician · Saginaw, MI

Stephen Holihan, MD is an emergency medicine physician with a practice address in Saginaw, Michigan, and NPI 1942874946, issued on May 14, 2021. Check the license (Michigan 4351047667APP21, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942874946
Name
Stephen Holihan
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
4351047667APP21 MI
Self-reported in NPPES; status is on the state search
Practice location
900 Cooper Ave, Saginaw, MI 48602
Phone
(989) 746-7518
Enumerated
May 14, 2021
Record last updated
Jan 23, 2025
Medicare enrollment
Enrolled (PECOS I20240614000530); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 900 Cooper Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christopher Ader, MSNFamily Nurse Practitioner1508141235
  2. Bashar Al Jayyousi, MDInterventional Cardiology Physician1225292568
  3. Parthiv Amin, MDCardiovascular Disease Physician1164650834
  4. Jean Barker, PA-CPhysician Assistant1053957548
  5. Justin Bielby, RNCertified Registered Nurse Anesthetist1649884958
  6. Kaitlyn Bishop, D.O.Emergency Medicine Physician1346685237

Verify Stephen Holihan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4351047667APP21
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

21% fewer Medicare Part D claims than the average emergency medicine physician in 2024

179 Medicare Part D claims for 130 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Stephen Holihan179
  2. Specialty average226

Most prescribed

  1. Cephalexin27 claims
  2. Prednisone19 claims
  3. Methocarbamol15 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.

Bills Medicare through 2 group practices

  1. Covenant Medical Center IncSaginaw, MI
  2. Deckerville Community Hospital IncDeckerville, MI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephen Holihan among 3,083 emergency medicine physician records in Michigan

Stephen Holihan, MD is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.

  • NPI issued2021 · 82% of these records are older, 14% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2021 · median 2013 among the 1,931 with a school on file
  • Record last updated2025 · 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 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

182 emergency medicine physician records list a practice address in Saginaw

They are 182 of the 6,008 NPPES records with a practice address in Saginaw, and 3,083 emergency medicine physician records in Michigan.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mary Arvanitis, DOSaginaw, MI 486021295722841
  2. Andrew Bazakis, M.D.Saginaw, MI 486021114914603
  3. Kevin Carnahan, DOSaginaw, MI 486021124093174
  4. Kathleen Cowling, DOSaginaw, MI 486021790772283
  5. Matthew Deibel, MDSaginaw, MI 486021427019652
  6. Frederick Dunham, MDSaginaw, MI 486021598799082
  7. Allison Gormley, DOSaginaw, MI 486021912955014
  8. Kirsten Guenther, M.D.Saginaw, MI 486021861506156

Common questions

What is Stephen Holihan, MD's NPI number?

Stephen Holihan, MD's National Provider Identifier (NPI) is 1942874946, issued on May 14, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Holihan, MD located?

The NPPES record lists a practice address at 900 Cooper Ave, Saginaw, MI, 48602. Phone: (989) 746-7518. Providers update this record themselves, so call before visiting.

How can I verify Stephen Holihan, MD's license?

NPPES lists Michigan license number 4351047667APP21, 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 Stephen Holihan, MD prescribe under Medicare Part D?

In 2024, Stephen Holihan, MD had 179 Medicare Part D claims for 130 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.