STEPHEN HOLIHAN (MD) – Emergency Medicine Physician, NPI 1942874946

STEPHEN HOLIHAN (MD) is a healthcare provider. based in Saginaw, Michigan. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. 4351047667APP21 (MI). The NPI Number for STEPHEN HOLIHAN (MD) is 1942874946

Main info

Male
5 Years Of Experience
Accepts Medicare Assignment
Name
STEPHEN HOLIHAN (MD)
NPI
1942874946
Phone
Not provided
Address
1000 HOUGHTON AVE
Enumeration Date
14 May 2021
Last Update Date
23 January 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8103762835
Graduation Year
2021 (5 years ago)
PAC ID
0345642989
Group Practice PAC ID
2163508821
Professional Enrollment ID
I20240614000530
Address ID
MI484277703DE3559XSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience34
Completeness75
Years active:5State licenses:1Digital endpointsOther names

3,157 EMERGENCY MEDICINE in MI

Provider Addresses for STEPHEN HOLIHAN (MD)

  • 1000 HOUGHTON AVE

    SAGINAW, MI 486025303

    Phone:

    Type: Mailing

  • 900 COOPER AVE

    SAGINAW, MI 486025182

    Phone: (989) 746-7518

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $44.

Total Amount is formed as General ($44) + Research ($0) + Ownership ($0) = $44.

Last reported payment date: 2023-06-27 • Largest payer in this snapshot: Genentech USA, Inc. ($22).

Total Amount

$44

General + Research + Ownership

Payments

2

Total payment records

General Amount

$44

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-06-27

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-06-14

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20240614000530IEmergency MedicineMITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 48602)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2163508821View full group profile
NameSpecialtyState
Emergency Medicine, Hospitalist, Emergency Medicine, Internal MedicineMI
-IN
Nurse PractitionerMI
Emergency MedicineMI
Nurse PractitionerMI
Nurse PractitionerMI
Internal Medicine, Family PracticeMI
Internal MedicineMI
Nurse PractitionerMI
Internal MedicineMI

Reviews

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Frequently asked questions

Can I verify STEPHEN HOLIHAN (MD) with an NPI only?
You can start verification with NPI 1942874946 for STEPHEN HOLIHAN (MD), then check state licensing separately.
Can I rely on STEPHEN HOLIHAN (MD) being an active provider?
As of the registry snapshot, STEPHEN HOLIHAN (MD) is marked active.
What is STEPHEN HOLIHAN (MD)'s specialty?
The listing groups STEPHEN HOLIHAN (MD) with Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Does STEPHEN HOLIHAN (MD) list a practice location?
Patients near Saginaw, Michigan may find STEPHEN HOLIHAN (MD) in results; validate coverage separately.
Is the information about STEPHEN HOLIHAN (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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