STEPHEN HOLIHAN MD
NPI 1942874946
Emergency Medicine in Saginaw, MI
About Stephen Holihan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN HOLIHAN MD (NPI 1942874946) is an individual emergency medicine provider in Saginaw, Michigan, licensed in Michigan (4351047667APP21) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Covenant Medical Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Stephen Holihan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Stephen Holihan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saginaw, MI 48602
- Reassigned Medicare billing, Michigan enrollment
- 720 clinicians in this Medicare group
Caro, MI 48723
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1154367001 (Michigan)
- 123 clinicians in this Medicare group
Marlette, MI 48453
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1225495013 (Michigan)
- 59 clinicians in this Medicare group
Deckerville, MI 48427
- Reassigned Medicare billing, Michigan enrollment
- 87 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Covenant Medical Center
Acute Care Hospitals · Saginaw, MIDeckerville Community Hospital
Critical Access Hospitals · Deckerville, MIHills & Dales General Hospital
Critical Access Hospitals · Cass City, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAGINAW, MI 48602
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Holihan's NPI number?
The NPI number for Stephen Holihan is 1942874946. It was assigned to this individual provider in the NPPES registry on May 14, 2021.
Where is Stephen Holihan located?
Stephen Holihan practices at 900 Cooper Ave, Saginaw, MI 48602. The listed phone number is (989) 746-7518.
What is Stephen Holihan's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Stephen Holihan enrolled in Medicare?
Yes. Stephen Holihan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Stephen Holihan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Holihan reassigns Medicare benefits to 4 organizations: Covenant Medical Center, Inc. (Saginaw, MI), Hills & Dales General Hospital (Caro, MI), Marlette Regional Hospital (Marlette, MI) and Deckerville Community Hospital Inc (Deckerville, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Holihan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Holihan accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Stephen Holihan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Stephen Holihan affiliated with any hospitals?
According to CMS data, Stephen Holihan is affiliated with Covenant Medical Center, Deckerville Community Hospital and Hills & Dales General Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Holihan was last updated on January 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Stephen Holihan, MD · NPI 1942874946
Emergency Medicine physician in Saginaw, Michigan. Individual provider, active in the CMS NPPES registry since May 14, 2021.
## Identity
- **NPI:** 1942874946 (Entity type: Individual)
- **Enumerated:** May 14, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 4351047667APP21 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 900 COOPER AVE, Saginaw, MI 48602-5182
- **Phone:** (989) 746-7518
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Covenant Medical Center, Inc. (NPI 1972590412, Saginaw, MI); Hills & Dales General Hospital (NPI 1528920543, Caro, MI); Marlette Regional Hospital (NPI 1598840498, Marlette, MI); Deckerville Community Hospital Inc (NPI 1619095718, Deckerville, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** January 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1942874946) · Data from the CMS NPPES public registry.