Doctor profile · Federal record

Dr. Michael Lum, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · San Jose, CA

  • NPI 1124104633
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
260 International Cir
San Jose, CA 951191130
(408) 972-7000
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 20, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #A74288
Medicaid
CA #00A742880

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124104633. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$150
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
REVANCE THERAPEUTICS, INC. 1 $150.00

By nature of payment

Food and Beverage
$150

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Lum's medical specialty?
Dr. Michael Lum practices Obstetrics & Gynecology Physician in San Jose, CA.
Where does Dr. Michael Lum practice?
Dr. Michael Lum practices at 260 International Cir, San Jose, CA 951191130. Office phone: 4089727000.
What is Dr. Michael Lum's NPI?
Dr. Michael Lum's National Provider Identifier (NPI) is 1124104633, issued by NPPES.
Does Dr. Michael Lum accept Medicare assignment?
Yes. Dr. Michael Lum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.