Doctor profile · Federal record

Dr. Maggie Lam, MD

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

  • NPI 1659483550
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 14, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
California #A99562

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659483550. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,241
Distinct HCPCS
10
Medicare allowed
$56,088
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 780 307 $42
88342 Special stained specimen slides to examine tissue, initial procedure 119 105 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 108 42 $32
88360 Microscopic genetic analysis of tumor, manual 74 22 $48
88307 Pathology examination of tissue using a microscope, moderately high complexity 36 13 $94
88321 Surgical pathology consultation and report on referred slides prepared elsewhere 32 30 $96
88377 Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 31 31 $72
88172 Evaluation of fine needle aspirate 24 19 $40
88331 Pathology examination of specimen during surgery, first tissue block 20 12 $70
88312 Special stained specimen slides to identify organisms including interpretation and report 17 15 $30

In context: peer comparison

Among 30 peers in Stanford Anatomic Pathology & Clinical Pathology Physician, average services per provider: 173. This provider delivers 7.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maggie Lam's medical specialty?
Dr. Maggie Lam practices Anatomic Pathology & Clinical Pathology Physician in Stanford, CA.
Where does Dr. Maggie Lam practice?
Dr. Maggie Lam practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Maggie Lam's NPI?
Dr. Maggie Lam's National Provider Identifier (NPI) is 1659483550, issued by NPPES.
Does Dr. Maggie Lam accept Medicare assignment?
Yes. Dr. Maggie Lam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maggie Lam 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, initial procedure (HCPCS 88342); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.