Doctor profile · Federal record

Dr. May Chan, M.D.

Anatomic Pathology Physician (CMS: Pathology) · Anatomic Pathology Physician · Dermatopathology Physician · Ann Arbor, MI

  • NPI 1639318223
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Drive, 2Nd Floor University Hospital Recp Pathology
Ann Arbor, MI 481095054
(800) 862-7284
Mailing address
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108

Credentials & registration

NPPES · NUCC
NPI registered
February 2009 — 17 yrs on file
Profile last updated
August 26, 2011
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State licenses (2)
Michigan #4301099342 · Massachusetts #232305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639318223. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,168
Distinct HCPCS
10
Medicare allowed
$83,028
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,084 696 $36
88341 Special stained specimen slides to examine tissue, each additional procedure 292 100 $27
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 206 205 $83
88342 Special stained specimen slides to examine tissue, initial procedure 161 134 $34
88350 Antibody evaluation, each additional single antibody stain procedure 112 28 $28
88307 Pathology examination of tissue using a microscope, moderately high complexity 68 34 $80
88312 Special stained specimen slides to identify organisms including interpretation and report 67 31 $26
88300 Pathology examination of tissue using a microscope, limited examination 57 57 $5
88304 Pathology examination of tissue using a microscope, moderately low complexity 36 33 $11
88346 Antibody evaluation, initial single antibody stain procedure 28 28 $35

In context: peer comparison

Among 16 peers in this city , average services per provider: 115. This provider delivers 19× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. May Chan's medical specialty?
Dr. May Chan practices Anatomic Pathology Physician in Ann Arbor, MI.
Where does Dr. May Chan practice?
Dr. May Chan practices at 1500 E Medical Center Drive, Ann Arbor, MI 481095054. Office phone: 8008627284.
What is Dr. May Chan's NPI?
Dr. May Chan's National Provider Identifier (NPI) is 1639318223, issued by NPPES.
Does Dr. May Chan accept Medicare assignment?
Yes. Dr. May Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. May Chan commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Surgical pathology consultation and report on referred slides prepared elsewhere (HCPCS 88321). Source: CMS Medicare Physician & Other Practitioners file.