Doctor profile · Federal record

Dr. Zhi-Wei Ma, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · West Islip, NY

  • NPI 1235121799
  • Accepts Medicare
  • MIPS 91.1 / 100 · 2023
  • 42 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Montauk Hwy, Department of Pathology
West Islip, NY 117954927
(631) 376-3990

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
December 10, 2010
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
New York #210345

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235121799. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,347
Distinct HCPCS
10
Medicare allowed
$94,476
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,118 512 $40
88341 Special stained specimen slides to examine tissue, each additional procedure 218 38 $31
88304 Pathology examination of tissue using a microscope, moderately low complexity 185 171 $13
88307 Pathology examination of tissue using a microscope, moderately high complexity 167 117 $90
88342 Special stained specimen slides to examine tissue, initial procedure 164 142 $38
88112 Cell examination of specimen, selective cellular enhancement technique 125 112 $30
88311 Preparation of tissue for examination by removing any calcium present 117 105 $14
88173 Evaluation of fine needle aspirate with interpretation and report 78 52 $76
88331 Pathology examination of specimen during surgery, first tissue block 44 30 $67
88302 Pathology examination of tissue using a microscope 33 31 $8

In context: peer comparison

Among 3 peers in West Islip Anatomic Pathology & Clinical Pathology Physician, average services per provider: 301. This provider delivers 7.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Zhi-Wei Ma's medical specialty?
Dr. Zhi-Wei Ma practices Anatomic Pathology & Clinical Pathology Physician in West Islip, NY.
Where does Dr. Zhi-Wei Ma practice?
Dr. Zhi-Wei Ma practices at 1000 Montauk Hwy, West Islip, NY 117954927. Office phone: 6313763990.
What is Dr. Zhi-Wei Ma's NPI?
Dr. Zhi-Wei Ma's National Provider Identifier (NPI) is 1235121799, issued by NPPES.
Does Dr. Zhi-Wei Ma accept Medicare assignment?
Yes. Dr. Zhi-Wei Ma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zhi-Wei Ma 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); Pathology examination of tissue using a microscope, moderately low complexity (HCPCS 88304). Source: CMS Medicare Physician & Other Practitioners file.