Doctor profile · Federal record

Dr. Siu-Wei Huang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · San Francisco, CA

  • NPI 1427584143
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2100 Webster St Ste 516
San Francisco, CA 941152381
(415) 600-2402
fax (415) 369-1292
Additional location
2351 Clay St, Suite 380
San Francisco, CA 941151931
(415) 600-6000
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
January 20, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A160096

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427584143. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
787
Distinct HCPCS
10
Medicare allowed
$101,643
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 336 201 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 151 122 $109
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 106 106 $157
G0008 Administration of influenza virus vaccine 36 36 $37
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 29 29 $76
G0009 Administration of pneumococcal vaccine 24 24 $37
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $194
90480 Admn sarscov2 vacc 1 dose 19 19 $50
91322 Sarscov2 vac 50 mcg/0.5ml im 19 19 $143
90671 Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use 17 17 $241

In context: peer comparison

Among 236 peers in San Francisco Internal Medicine Physician, average services per provider: 93. This provider delivers 8.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperSurgical, INC. 1 $20.67

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,816
Patients
536
Total drug cost
$124,306
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 386 112 $7,085
Amlodipine Besylate Generic 286 94 $4,068
Levothyroxine Sodium Generic 125 32 $2,564
Metformin Hcl Generic 120 35 $1,948
Losartan Potassium Generic 118 37 $2,347
Gabapentin Generic 116 28 $2,305
Lisinopril Generic 99 35 $1,769
Alendronate Sodium Generic 81 24 $1,357
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 81 13 $2,982
Diclofenac Sodium Generic 72 30 $3,204

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Siu-Wei Huang's medical specialty?
Dr. Siu-Wei Huang practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Siu-Wei Huang practice?
Dr. Siu-Wei Huang practices at 2100 Webster St Ste 516, San Francisco, CA 941152381. Office phone: 4156002402.
What is Dr. Siu-Wei Huang's NPI?
Dr. Siu-Wei Huang's National Provider Identifier (NPI) is 1427584143, issued by NPPES.
Does Dr. Siu-Wei Huang accept Medicare assignment?
Yes. Dr. Siu-Wei Huang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siu-Wei Huang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.