Doctor profile · Federal record

Dr. James Schnabel, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Hospitalist Physician · Kalamazoo, MI

  • NPI 1083939516
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
601 John St # 74
Kalamazoo, MI 490075341
(269) 341-8481
Additional location
25 Winfield Road
Winfield, IL 601901295
(630) 933-4700
fax (630) 933-4427
Additional location
300 Randall RD
Geneva, IL 601344220
(630) 933-4700
fax (630) 933-4427
Mailing address
25 Winfield Road
Winfield, IL 601901295

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
July 6, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (4)
Michigan #4301509649 · Illinois #N/A · Illinois #036.132534 · Illinois #036132534

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083939516. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
754
Distinct HCPCS
7
Medicare allowed
$78,021
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 347 164 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 115 85 $121
99239 Hospital discharge day management, more than 30 minutes 91 90 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 86 83 $181
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 52 29 $51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 34 34 $133
99238 Hospital discharge day management, 30 minutes or less 29 29 $82

In context: peer comparison

Among 57 peers in Kalamazoo Internal Medicine Physician, average services per provider: 93. This provider delivers 8.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$172
Transactions
10
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 2 $51.70
Novartis Pharmaceuticals Corporation 2 $30.87
Merck Sharp & Dohme LLC 2 $28.05
Pfizer INC. 1 $15.84
Smith+Nephew, INC. 1 $15.49
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $15.21
Neurelis, INC. 1 $14.46

By nature of payment

Food and Beverage
$172

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
13
Total drug cost
$395
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 18 0 $259
Prednisone Generic 14 13 $56
Metformin Hcl ER (Metformin Hcl) Brand 13 0 $80

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Schnabel's medical specialty?
Dr. James Schnabel practices Internal Medicine Physician in Kalamazoo, MI.
Where does Dr. James Schnabel practice?
Dr. James Schnabel practices at 601 John St # 74, Kalamazoo, MI 490075341. Office phone: 2693418481.
What is Dr. James Schnabel's NPI?
Dr. James Schnabel's National Provider Identifier (NPI) is 1083939516, issued by NPPES.
Does Dr. James Schnabel accept Medicare assignment?
Yes. Dr. James Schnabel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Schnabel commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.