Doctor profile · Federal record

Dr. Renee Nilan, M.D.

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

  • NPI 1568576841
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4200 Whitehall Dr Ste 150
Ann Arbor, MI 48105
(734) 995-0308
fax (734) 995-0425
Mailing address
Po Box 446
Ann Arbor, MI 481060446

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 13, 2018
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Michigan #4301066614
Medicaid
MI #4221780

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568576841. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
128
Distinct HCPCS
3
Medicare allowed
$15,901
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 63 61 $125
99283 Emergency department visit with low level of medical decision making 36 36 $75
99285 Emergency department visit with high level of medical decision making 29 29 $183

In context: peer comparison

Among 75 peers in Ann Arbor Emergency Medicine Physician, average services per provider: 70. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
14
Total drug cost
$34
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 14 14 $34

Frequently asked questions

Auto-generated from federal data
What is Dr. Renee Nilan's medical specialty?
Dr. Renee Nilan practices Emergency Medicine Physician in Ann Arbor, MI.
Where does Dr. Renee Nilan practice?
Dr. Renee Nilan practices at 4200 Whitehall Dr Ste 150, Ann Arbor, MI 48105. Office phone: 7349950308.
What is Dr. Renee Nilan's NPI?
Dr. Renee Nilan's National Provider Identifier (NPI) is 1568576841, issued by NPPES.
Does Dr. Renee Nilan accept Medicare assignment?
Yes. Dr. Renee Nilan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Renee Nilan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.