Doctor profile · Federal record

Dr. Raymond Lam, M.D.

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

  • NPI 1023465879
  • Accepts Medicare
  • MIPS 87.4 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3555 Cesar Chavez
San Francisco, CA 941104403
(415) 600-6000
Mailing address
601 van Ness Ave Ste E3619
San Francisco, CA 941023200

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
September 11, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A154231

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023465879. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
910
Distinct HCPCS
7
Medicare allowed
$121,575
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 472 178 $132
99239 Hospital discharge day management, more than 30 minutes 121 119 $129
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 86 84 $193
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 78 37 $88
99497 Advance care planning, first 30 minutes 57 53 $85
99291 Critical care, first 30-74 minutes 54 31 $232
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 42 40 $63

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 9.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
13
Total drug cost
$143
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 13 $84
Amlodipine Besylate Generic 11 0 $59

Frequently asked questions

Auto-generated from federal data
What is Dr. Raymond Lam's medical specialty?
Dr. Raymond Lam practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Raymond Lam practice?
Dr. Raymond Lam practices at 3555 Cesar Chavez, San Francisco, CA 941104403. Office phone: 4156006000.
What is Dr. Raymond Lam's NPI?
Dr. Raymond Lam's National Provider Identifier (NPI) is 1023465879, issued by NPPES.
Does Dr. Raymond Lam accept Medicare assignment?
Yes. Dr. Raymond Lam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Raymond Lam commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.