PROVIDER PROFILE · NPI 1841386141

Anselm LamM.D.

PRACTICEHONG ZHENG, D.O., INC.See all providers at this practice →

Family PracticeSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,967

Unique beneficiaries

—

Total services

2,455

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — top quintile (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

10,100

Beneficiaries

—

Total drug cost

$1.6M

Distinct drugs

131

Brand share

23.4%

Top prescribed drugs

Atorvastatin Calcium835 claims

Metoprolol Succinate519 claims

Amlodipine Besylate470 claims

Losartan Potassium455 claims

Omeprazole345 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

100.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Anselm Lam's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 6 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Kirsten Gaarder Diagnostic Radiology · Modesto, CA	32	93
UCSF HEALTH COMMUNITY HOSPITALS	15	49
Pao-Ching Wang Internal Medicine · San Francisco, CA	14	30
CITY & COUNTY OF SAN FRANCISCO	14	103
MAK, KELVIN	14	24
City & County Of San Francisco Ambulance Service Provider · San Francisco, CA	13	28

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history