Doctor profile · Federal record

Dr. Luke Nayak, MD

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

  • NPI 1639608946
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • 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
1001 E Primrose St
Springfield, MO 658075155
(000) 000-0000
Mailing address
Po Box 7411626
Chicago, IL 606745626

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
July 3, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Missouri #2025010418 · Michigan #4301501839

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639608946. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
161
Distinct HCPCS
4
Medicare allowed
$17,839
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 50 $133
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 53 23 $51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 38 38 $177
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 15 $81

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 2.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Luke Nayak's medical specialty?
Dr. Luke Nayak practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Luke Nayak practice?
Dr. Luke Nayak practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. Luke Nayak's NPI?
Dr. Luke Nayak's National Provider Identifier (NPI) is 1639608946, issued by NPPES.
Does Dr. Luke Nayak accept Medicare assignment?
Yes. Dr. Luke Nayak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Luke Nayak commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.