Doctor profile · Federal record

Dr. Stephen Schwartz, M.D.

Medical Oncology Physician (CMS: Medical Oncology) · Medical Oncology Physician · Medical Oncology Physician · Commerce Twp, MI

  • NPI 1871580092
  • Accepts Medicare
  • 36 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
1 William Carls Dr, Huron Valley Sinai Hospital
Commerce Twp, MI 48382
(248) 937-5045
fax (248) 937-5819
Additional location
834 Sheridan St
Port Townsend, WA 983682443
(360) 385-2200
Additional location
300 North Ave
Battle Creek, MI 490173307
(269) 245-8660
Show 2 more locations
Additional location
1 Medical Center Dr
Lebanon, NH 037560001
(603) 650-5000
Additional location
1440 E Mullan Ave
Post Falls, ID 838549064
(208) 625-4900
fax (208) 625-4911

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
January 6, 2026
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State licenses (3)
New Hampshire #33544 · Idaho #8871581 · Michigan #4301065453
Medicaid
MI #4100087

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871580092. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
151
Distinct HCPCS
3
Medicare allowed
$21,226
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 86 47 $126
99205 New patient office or other outpatient visit, 60-74 minutes 37 37 $210
99214 Established patient office or other outpatient visit, 30-39 minutes 28 21 $92

In context: peer comparison

Among 1 peers in this city , average services per provider: 50. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Tempus AI, Inc 1 $24.40
Adaptive Biotechnologies Corporation 1 $23.70

By nature of payment

Food and Beverage
$48

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
11
Total drug cost
$10,093
Drug Type Claims Patients Total cost
Anastrozole Generic 27 11 $1,229
Hydroxyurea Generic 22 0 $404
Letrozole Generic 19 0 $906
Eliquis (Apixaban) Brand 13 0 $7,553

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Schwartz's medical specialty?
Dr. Stephen Schwartz practices Medical Oncology Physician in Commerce Twp, MI.
Where does Dr. Stephen Schwartz practice?
Dr. Stephen Schwartz practices at 1 William Carls Dr, Commerce Twp, MI 48382. Office phone: 2489375045.
What is Dr. Stephen Schwartz's NPI?
Dr. Stephen Schwartz's National Provider Identifier (NPI) is 1871580092, issued by NPPES.
Does Dr. Stephen Schwartz accept Medicare assignment?
Yes. Dr. Stephen Schwartz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Schwartz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.