Doctor profile · Federal record

Dr. Aaron Fisher, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Ann Arbor, MI

  • NPI 1861873135
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr, 3Rd Floor Taubman Ctr Recp 'B'
Ann Arbor, MI 481095352
(734) 936-5582
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
December 12, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #5101021633

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861873135. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
270
Distinct HCPCS
6
Medicare allowed
$31,333
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 112 56 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 50 32 $79
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 35 $173
99238 Hospital discharge day management, 30 minutes or less 29 27 $82
99239 Hospital discharge day management, more than 30 minutes 22 22 $117
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 21 21 $127

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$130
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 1 $130.00

By nature of payment

Food and Beverage
$130

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aaron Fisher's medical specialty?
Dr. Aaron Fisher practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Aaron Fisher practice?
Dr. Aaron Fisher practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095352. Office phone: 7349365582.
What is Dr. Aaron Fisher's NPI?
Dr. Aaron Fisher's National Provider Identifier (NPI) is 1861873135, issued by NPPES.
Does Dr. Aaron Fisher accept Medicare assignment?
Yes. Dr. Aaron Fisher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Fisher commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.