Doctor profile · Federal record

Dr. NANCY TANG, M.D.

Obstetrics & Gynecology Physician (CMS: OBSTETRICS/GYNECOLOGY) · Gynecology Physician · Student in an Organized Health Care Education/Training Program · DUBLIN, CA

  • NPI 1326369554
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4000 DUBLIN BLVD
DUBLIN, CA 945683113
(925) 875-6100
Additional location
4050 Dublin Blvd
Dublin, CA 945683112
Mailing address
325 DISTEL CIR
LOS ALTOS, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
May 29, 2020
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207V00000X — NUCC code
State licenses (2)
California #A140842 · New York #271238-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326369554. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47
Distinct HCPCS
2
Medicare allowed
$4,258
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 28 28 $48
99214 Established patient office or other outpatient visit, 30-39 minutes 19 15 $153

In context: peer comparison

Among 1 peers in this city , average services per provider: 23. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
14
Total drug cost
$4,267
Drug Type Claims Patients Total cost
Estradiol Generic 34 14 $4,267