Doctor profile · Federal record

Dr. John Cowen, MD

Anesthesiology Physician (CMS: Anesthesiology) · Ann Arbor, MI

  • NPI 1881804854
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Additional location
2006 Hogback RD, Suite 5
Ann Arbor, MI 481059750
(734) 786-4940
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
April 24, 2023
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Michigan #4301084043

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881804854. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
190
Distinct HCPCS
7
Medicare allowed
$13,924
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 50 50 $72
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 49 49 $86
00104 Anesthesia for electroshock therapy 28 18 $54
00811 Anesthesia for other procedure on large bowel using an endoscope 24 24 $80
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 16 $74
00812 Anesthesia for exam of colon using an endoscope 12 12 $58
00400 Anesthesia for other procedure on skin of arms, legs, and front body 11 11 $76

In context: peer comparison

Among 90 peers in Ann Arbor Anesthesiology Physician, average services per provider: 25. This provider delivers 7.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Cowen's medical specialty?
Dr. John Cowen practices Anesthesiology Physician in Ann Arbor, MI.
Where does Dr. John Cowen practice?
Dr. John Cowen practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. John Cowen's NPI?
Dr. John Cowen's National Provider Identifier (NPI) is 1881804854, issued by NPPES.
Does Dr. John Cowen accept Medicare assignment?
Yes. Dr. John Cowen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Cowen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for electroshock therapy (HCPCS 00104). Source: CMS Medicare Physician & Other Practitioners file.