DR. STEPHEN C. SCHWARTZ M.D.
NPI 1871580092
Internal Medicine - Medical Oncology in Commerce Twp, MI
About Dr. Stephen C. Schwartz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN C. SCHWARTZ M.D. (NPI 1871580092) is an individual medical oncology provider in Commerce Twp, Michigan, licensed in New Hampshire (33544) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Kootenai Health, and is a graduate of Rutgers R W Johnson Medical School (cam/new Bruns/pisc) (1990).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Stephen C. Schwartz M.d. 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
7Medicare enrollment records show Stephen Schwartz reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Southfield, MI 48034
- Reassigned Medicare billing, Michigan enrollment
- 407 clinicians in this Medicare group
Battle Creek, MI 49017
- Reassigned Medicare billing, Michigan enrollment
- 557 clinicians in this Medicare group
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 1,133 clinicians in this Medicare group
Richmond, VA 23229
- Reassigned Medicare billing, Virginia enrollment
- 62 clinicians in this Medicare group
Richmond, VA 23227
- Reassigned Medicare billing, Virginia enrollment
- 581 clinicians in this Medicare group
Claremont, NH 03743
- Reassigned Medicare billing, New Hampshire and Vermont enrollments
- Also billed through NPI 1548210198 (Vermont)
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire and Vermont enrollments
- 2,620 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 5
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kootenai Health
Acute Care Hospitals · Coeur D'alene, IDMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHBon Secours St Marys Hospital
Acute Care Hospitals · Richmond, VABon Secours Memorial Regional Medical Center
Acute Care Hospitals · Mechanicsville, VARappahannock General Hospital
Critical Access Hospitals · Kilmarnock, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48382 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.
COMMERCE TOWNSHIP, MI 48382
COMMERCE TOWNSHIP, MI 48382
COMMERCE TOWNSHIP, MI 48382
COMMERCE TWP, MI 48382
COMMERCE TOWNSHIP, MI 48382
COMMERCE TWP, MI 48382
COMMERCE TOWNSHIP, MI 48382
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 Schwartz's NPI number?
The NPI number for Stephen Schwartz is 1871580092. It was assigned to this individual provider in the NPPES registry on October 3, 2005.
Where is Stephen Schwartz located?
Stephen Schwartz practices at 1 William Carls Dr Huron Valley Sinai Hospital, Commerce Twp, MI 48382. The listed phone number is (248) 937-5045.
What is Stephen Schwartz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Stephen Schwartz enrolled in Medicare?
Yes. Stephen Schwartz 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 Schwartz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Schwartz reassigns Medicare benefits to 7 organizations: Vhs Physicians Of Michigan (Southfield, MI), Bronson Battle Creek Hospital (Battle Creek, MI), Bronson Methodist Hospital (Kalamazoo, MI), Bon Secours-Richmond Community Hospital LLC (Richmond, VA), Bon Secours Medical Group Richmond Specialty Care LLC (Richmond, VA) and 2 more organizations, listed in the Medicare section above. 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 Schwartz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Schwartz affiliated with any hospitals?
According to CMS data, Stephen Schwartz is affiliated with Kootenai Health, Mary Hitchcock Memorial Hospital, Bon Secours St Marys Hospital, Bon Secours Memorial Regional Medical Center and Rappahannock General Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Schwartz was last updated on November 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.
# Dr. Stephen C. Schwartz, M.D. · NPI 1871580092
Medical Oncology physician in Commerce Twp, Michigan. Individual provider, active in the CMS NPPES registry since October 3, 2005.
## Identity
- **NPI:** 1871580092 (Entity type: Individual)
- **Enumerated:** October 3, 2005
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 33544 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 WILLIAM CARLS DR, HURON VALLEY SINAI HOSPITAL, Commerce Twp, MI 48382
- **Phone:** (248) 937-5045 · **Fax:** (248) 937-5819
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Vhs Physicians Of Michigan (NPI 1073827101, Southfield, MI); Bronson Battle Creek Hospital (NPI 1093119638, Battle Creek, MI); Bronson Methodist Hospital (NPI 1417961137, Kalamazoo, MI); Bon Secours-Richmond Community Hospital LLC (NPI 1841787868, Richmond, VA); Bon Secours Medical Group Richmond Specialty Care LLC (NPI 1477112225, Richmond, VA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rutgers R W Johnson Medical School, class of 1990
## Record status
- **NPPES last updated:** November 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1871580092) · Data from the CMS NPPES public registry.