Doctor profile · Federal record

Dr. Wai-Lam Chan, M.D.

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

  • NPI 1891791877
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1431 Noriega St
San Francisco, CA 941224431
(415) 759-3777
fax (415) 759-6368

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
June 29, 2010
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A74856
Medicaid
CA #0159135

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891791877. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
704
Distinct HCPCS
10
Medicare allowed
$68,934
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 131 80 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 123 87 $109
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 112 112 $157
G0008 Administration of influenza virus vaccine 77 77 $37
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 75 75 $76
G0444 Annual depression screening, 5 to 15 minutes 69 69 $24
96372 Injection of drug or substance under skin or into muscle 52 16 $18
90480 Admn sarscov2 vacc 1 dose 15 15 $50
91320 Sarscv2 vac 30mcg trs-suc im 15 15 $128
0124A Adm sarscv2 bvl 30mcg/.3ml a 13 13 $50

In context: peer comparison

Among 82 peers in San Francisco Family Medicine Physician, average services per provider: 96. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$495
Transactions
21
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 5 $139.36
Novo Nordisk INC 5 $93.28
AstraZeneca Pharmaceuticals Lp 3 $67.67
Amgen INC. 1 $27.66
Exact Sciences Corporation 1 $27.23
Novartis Pharmaceuticals Corporation 1 $26.10
Lilly USA, LLC 1 $24.42
Abbvie INC. 1 $24.38
Merck Sharp & Dohme LLC 1 $23.61
Boehringer Ingelheim Pharmaceuticals, INC. 1 $22.36
Janssen Pharmaceuticals, INC 1 $19.01

By nature of payment

Food and Beverage
$495

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,233
Patients
933
Total drug cost
$293,017
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 943 259 $15,844
Amlodipine Besylate Generic 327 98 $3,751
Rosuvastatin Calcium Generic 293 83 $7,141
Alendronate Sodium Generic 232 67 $3,674
Metformin Hcl Generic 215 63 $2,702
Metoprolol Succinate Generic 193 52 $5,407
Olmesartan Medoxomil Generic 138 40 $5,864
Jardiance (Empagliflozin) Brand 137 39 $231,907
Losartan Potassium Generic 125 39 $1,991
Simvastatin Generic 117 33 $1,600

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Wai-Lam Chan's medical specialty?
Dr. Wai-Lam Chan practices Family Medicine Physician in San Francisco, CA.
Where does Dr. Wai-Lam Chan practice?
Dr. Wai-Lam Chan practices at 1431 Noriega St, San Francisco, CA 941224431. Office phone: 4157593777.
What is Dr. Wai-Lam Chan's NPI?
Dr. Wai-Lam Chan's National Provider Identifier (NPI) is 1891791877, issued by NPPES.
Does Dr. Wai-Lam Chan accept Medicare assignment?
Yes. Dr. Wai-Lam Chan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wai-Lam Chan 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.