Doctor profile · Federal record

Dr. Hari Nathan, M.D.

Surgery Physician (CMS: General Surgery) · Surgical Oncology Physician · Surgical Oncology Physician · Ann Arbor, MI

  • NPI 1699825802
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
May 2, 2019
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Michigan #4301105115 · New York #264302

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699825802. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
37
Distinct HCPCS
2
Medicare allowed
$1,775
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 23 23 $36
99213 Established patient office or other outpatient visit, 20-29 minutes 14 13 $67

In context: peer comparison

Among 18 peers in this city , average services per provider: 24. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Hari Nathan's medical specialty?
Dr. Hari Nathan practices Surgery Physician in Ann Arbor, MI.
Where does Dr. Hari Nathan practice?
Dr. Hari Nathan practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Hari Nathan's NPI?
Dr. Hari Nathan's National Provider Identifier (NPI) is 1699825802, issued by NPPES.
Does Dr. Hari Nathan accept Medicare assignment?
Yes. Dr. Hari Nathan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hari Nathan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.