Doctor profile · Federal record

Dr. Tam Do, D.O

Hospitalist Physician (CMS: Internal Medicine) · Milpitas, CA

  • NPI 1457676330
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
930 Coyote St
Milpitas, CA 950353017
(408) 892-3021
Mailing address
1 Quality Dr
Vacaville, CA 956889494

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
June 11, 2024
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #20A11964

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457676330. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
29
Distinct HCPCS
1
Medicare allowed
$2,443
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 29 13 $84

In context: peer comparison

Among 1 peers in this city , average services per provider: 29. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 1 $21.41

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
68
Patients
28
Total drug cost
$821
Drug Type Claims Patients Total cost
Furosemide Generic 24 17 $258
Warfarin Sodium Generic 21 11 $350
Lisinopril Generic 12 0 $99
Metoprolol Tartrate Generic 11 0 $114

Frequently asked questions

Auto-generated from federal data
What is Dr. Tam Do's medical specialty?
Dr. Tam Do practices Hospitalist Physician in Milpitas, CA.
Where does Dr. Tam Do practice?
Dr. Tam Do practices at 930 Coyote St, Milpitas, CA 950353017. Office phone: 4088923021.
What is Dr. Tam Do's NPI?
Dr. Tam Do's National Provider Identifier (NPI) is 1457676330, issued by NPPES.
Does Dr. Tam Do accept Medicare assignment?
Yes. Dr. Tam Do accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tam Do commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.