THOMAS F SAPP MD
NPI 1174540025
Emergency Medicine - Emergency Medical Services in Grand Rapids, MI
About Thomas F Sapp Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS F SAPP MD (NPI 1174540025) is an individual emergency medical services provider in Grand Rapids, Michigan, licensed in Michigan (4301074500) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of University Of North Dakota School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Thomas F Sapp 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 Thomas Sapp reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 265 clinicians in this Medicare group
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 192 clinicians in this Medicare group
Houghton, MI 49931
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1023161932 (Michigan)
- 210 clinicians in this Medicare group
Osceola, WI 54020
- Reassigned Medicare billing, Wisconsin enrollment
- 170 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.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIAspirus Keweenaw Hospital And Clinics
Critical Access Hospitals · Laurium, MILadd Memorial Hospital
Critical Access Hospitals · Osceola, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49503 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
GRAND RAPIDS, MI 49503
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 Thomas Sapp's NPI number?
The NPI number for Thomas Sapp is 1174540025. It was assigned to this individual provider in the NPPES registry on July 16, 2006.
Where is Thomas Sapp located?
Thomas Sapp practices at 100 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 391-1680.
What is Thomas Sapp's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Thomas Sapp enrolled in Medicare?
Yes. Thomas Sapp 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 Thomas Sapp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Sapp reassigns Medicare benefits to 4 organizations: Ecs Western Michigan PC (Grand Rapids, MI), Visionary Medical Services PC (Grand Rapids, MI), Aspirus Keweenaw (Houghton, MI) and Ladd Memorial Hospital (Osceola, WI). 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 Thomas Sapp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Sapp accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Thomas Sapp 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 Thomas Sapp affiliated with any hospitals?
According to CMS data, Thomas Sapp is affiliated with Spectrum Health, Aspirus Keweenaw Hospital And Clinics and Ladd Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Sapp was last updated on November 20, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Thomas F Sapp, MD · NPI 1174540025
Emergency Medical Services physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since July 16, 2006.
## Identity
- **NPI:** 1174540025 (Entity type: Individual)
- **Enumerated:** July 16, 2006
- **Primary specialty:** Emergency Medicine - Emergency Medical Services · taxonomy 207PE0004X
- **State license:** 4301074500 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 MICHIGAN ST NE, Grand Rapids, MI 49503-2560
- **Phone:** (616) 391-1680
## 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): Ecs Western Michigan PC (NPI 1992281000, Grand Rapids, MI); Visionary Medical Services PC (NPI 1538216569, Grand Rapids, MI); Aspirus Keweenaw (NPI 1205164555, Houghton, MI); Ladd Memorial Hospital (NPI 1467560227, Osceola, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Dakota School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** November 20, 2023
- **Other identifiers:** Other P00315420 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1174540025) · Data from the CMS NPPES public registry.