Doctor profile · Federal record

Dr. Nikhilesh Mazumder, MD

Transplant Hepatology Physician (CMS: Gastroenterology) · Hospitalist Physician · Gastroenterology Physician · Internal Medicine Physician · Ann Arbor, MI

  • NPI 1538439096
  • Accepts Medicare
  • 12 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
December 2011 — 15 yrs on file
Profile last updated
December 12, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RT0003X — NUCC code
State licenses (2)
Michigan #4301504839 · Illinois #036.143595

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538439096. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
34
Distinct HCPCS
2
Medicare allowed
$3,833
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 21 15 $121
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $99

In context: peer comparison

Among 1 peers in Ann Arbor Transplant Hepatology Physician, average services per provider: 17. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
0
Total drug cost
$924
Drug Type Claims Patients Total cost
Spironolactone Generic 18 0 $365
Carvedilol Generic 17 0 $89
Omeprazole Generic 12 0 $338
Furosemide Generic 11 0 $131

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nikhilesh Mazumder's medical specialty?
Dr. Nikhilesh Mazumder practices Transplant Hepatology Physician in Ann Arbor, MI.
Where does Dr. Nikhilesh Mazumder practice?
Dr. Nikhilesh Mazumder practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Nikhilesh Mazumder's NPI?
Dr. Nikhilesh Mazumder's National Provider Identifier (NPI) is 1538439096, issued by NPPES.
Does Dr. Nikhilesh Mazumder accept Medicare assignment?
Yes. Dr. Nikhilesh Mazumder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nikhilesh Mazumder commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.