Doctor profile · Federal record

Dr. Justin Fong, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA

  • NPI 1841346608
  • Accepts Medicare
  • 42 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3060 19Th Ave
San Francisco, CA 941321627
(415) 452-3155
fax (415) 452-9682

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
September 1, 2009
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G57883

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841346608. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,053
Distinct HCPCS
9
Medicare allowed
$277,233
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 824 115 $86
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 604 34 $209
99214 Established patient office or other outpatient visit, 30-39 minutes 365 103 $137
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow 91 24 $121
99215 Established patient office or other outpatient visit, 40-54 minutes 60 49 $206
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 45 21 $51
99212 Established patient office or other outpatient visit, 10-19 minutes 27 19 $39
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 25 23 $63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 12 12 $153

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 22× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,471
Patients
508
Total drug cost
$19,344
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 263 76 $2,872
Atorvastatin Calcium Generic 174 49 $2,532
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 108 53 $1,411
Levothyroxine Sodium Generic 108 28 $2,395
Metformin Hcl Generic 94 31 $1,162
Pantoprazole Sodium Generic 94 36 $1,519
Mupirocin Generic 90 46 $905
Losartan Potassium Generic 88 26 $1,539
Furosemide Generic 69 24 $352
Lorazepam Generic 69 12 $349

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Fong's medical specialty?
Dr. Justin Fong practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Justin Fong practice?
Dr. Justin Fong practices at 3060 19Th Ave, San Francisco, CA 941321627. Office phone: 4154523155.
What is Dr. Justin Fong's NPI?
Dr. Justin Fong's National Provider Identifier (NPI) is 1841346608, issued by NPPES.
Does Dr. Justin Fong accept Medicare assignment?
Yes. Dr. Justin Fong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Fong commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Residence visit for established patient with high level of medical decision making (HCPCS 99350); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.