Doctor profile · Federal record

Dr. Brent Tan, M.D., PHD

Anatomic Pathology Physician (CMS: Pathology) · Clinical Informatics (Pathology) Physician · Hematology (Pathology) Physician · Anatomic Pathology & Clinical Pathology Physician · Stanford, CA

  • NPI 1134271232
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr Rm L235, Department of Pathology
Stanford, CA 943052200
(650) 723-7211
fax (650) 725-7409
Mailing address
300 Pasteur Dr Dept of
Stanford, CA 943052200

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
March 13, 2024
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207ZP0101X — NUCC code
State license (1)
California #A86418
Medicaid
CA #00A864180

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134271232. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
933
Distinct HCPCS
10
Medicare allowed
$50,495
HCPCS Description Services Patients Avg allowed
88341 Special stained specimen slides to examine tissue, each additional procedure 204 41 $33
88189 Flow cytometry technique for dna or cell analysis, 16 or more markers 128 125 $97
88305 Pathology examination of tissue using a microscope, intermediate complexity 100 69 $43
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 79 79 $97
88188 Flow cytometry technique for dna or cell analysis, 9 to 15 markers 71 59 $72
88311 Preparation of tissue for examination by removing any calcium present 68 64 $14
85097 Bone marrow, smear interpretation 67 64 $56
88342 Special stained specimen slides to examine tissue, initial procedure 54 53 $41
88360 Microscopic genetic analysis of tumor, manual 41 25 $49
88313 Special stained specimen slides to examine tissue including interpretation and report 38 32 $14

In context: peer comparison

Among 9 peers in this city , average services per provider: 112. This provider delivers 8.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brent Tan's medical specialty?
Dr. Brent Tan practices Anatomic Pathology Physician in Stanford, CA.
Where does Dr. Brent Tan practice?
Dr. Brent Tan practices at 300 Pasteur Dr Rm L235, Stanford, CA 943052200. Office phone: 6507237211.
What is Dr. Brent Tan's NPI?
Dr. Brent Tan's National Provider Identifier (NPI) is 1134271232, issued by NPPES.
Does Dr. Brent Tan accept Medicare assignment?
Yes. Dr. Brent Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brent Tan commonly perform?
Top Medicare-reported procedures in 2023: Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Flow cytometry technique for dna or cell analysis, 16 or more markers (HCPCS 88189); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.