Doctor profile · Federal record

Dr. John Hagen, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Student in an Organized Health Care Education/Training Program · Ann Arbor, MI

  • NPI 1649430026
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
712 W Huron St Apt 107
Ann Arbor, MI 481034261
(917) 434-3548
Mailing address
68 S Service RD, Suite 350
Melville, NY 117472354

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
October 30, 2019
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
New York #P73032 · Michigan #4301098090
Medicaid
NY #03463898

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649430026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
4
Medicare allowed
$10,759
HCPCS Description Services Patients Avg allowed
00520 Anesthesia for other closed procedure on chest 34 33 $133
01922 Anesthesia for x-ray or radiation therapy 22 20 $155
00532 Anesthesia for access to central vein 19 19 $88
00912 Anesthesia for removal of urinary bladder tumors including use of an endoscope 11 11 $106

In context: peer comparison

Among 90 peers in this city , average services per provider: 25. This provider delivers 3.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Hagen's medical specialty?
Dr. John Hagen practices Anesthesiology Physician in Ann Arbor, MI.
Where does Dr. John Hagen practice?
Dr. John Hagen practices at 712 W Huron St Apt 107, Ann Arbor, MI 481034261. Office phone: 9174343548.
What is Dr. John Hagen's NPI?
Dr. John Hagen's National Provider Identifier (NPI) is 1649430026, issued by NPPES.
Does Dr. John Hagen accept Medicare assignment?
Yes. Dr. John Hagen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Hagen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other closed procedure on chest (HCPCS 00520); Anesthesia for x-ray or radiation therapy (HCPCS 01922); Anesthesia for access to central vein (HCPCS 00532). Source: CMS Medicare Physician & Other Practitioners file.