Doctor profile · Federal record

Dr. Ho Tan, M.D.

Adult Medicine Physician (CMS: Family Practice) · San Francisco, CA

  • NPI 1285737692
  • Accepts Medicare
  • 63 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
919 Clay St
San Francisco, CA 941081520
(415) 781-8881
fax (415) 781-5118

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 9, 2020
Year of graduation
1963 — 63 yrs since
Specialty taxonomy
207QA0505X — NUCC code
State license (1)
California #A32071

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285737692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
769
Distinct HCPCS
10
Medicare allowed
$95,630
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 261 132 $107
62323 Injection of substance into lower spine canal using imaging guidance 91 62 $332
99212 Established patient office or other outpatient visit, 10-19 minutes 80 62 $68
20610 Aspiration and/or injection of fluid from large joint 67 48 $78
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 67 67 $193
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 39 37 $20
96372 Injection of drug or substance under skin or into muscle 39 28 $17
G0008 Administration of influenza virus vaccine 39 37 $36
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $194
99441 Telephone medical discussion with physician, 5-10 minutes 21 20 $40

In context: peer comparison

Among 3 peers in this city , average services per provider: 97. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$88
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
IRONWOOD PHARMACEUTICALS, INC 4 $87.83

By nature of payment

Food and Beverage
$88

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,544
Patients
578
Total drug cost
$225,326
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 245 69 $5,372
Metoprolol Succinate Generic 175 47 $5,238
Celecoxib Generic 156 102 $9,437
Lidocaine Generic 134 46 $21,176
Losartan Potassium Generic 126 36 $3,823
Montelukast Sodium Generic 93 31 $2,764
Triamcinolone Acetonide Generic 80 40 $855
Amlodipine Besylate Generic 77 22 $1,320
Simvastatin Generic 71 18 $1,456
Cephalexin Generic 70 55 $728

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ho Tan's medical specialty?
Dr. Ho Tan practices Adult Medicine Physician in San Francisco, CA.
Where does Dr. Ho Tan practice?
Dr. Ho Tan practices at 919 Clay St, San Francisco, CA 941081520. Office phone: 4157818881.
What is Dr. Ho Tan's NPI?
Dr. Ho Tan's National Provider Identifier (NPI) is 1285737692, issued by NPPES.
Does Dr. Ho Tan accept Medicare assignment?
Yes. Dr. Ho Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ho Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection of substance into lower spine canal using imaging guidance (HCPCS 62323); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.