PROVIDER PROFILE · NPI 1992873723

Nang Lok Ellick TsangM.D.

Internal MedicineSan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

368

Unique beneficiaries

—

Total services

1,371

Distinct HCPCS

Medicare payment

$156K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

5,285

Beneficiaries

—

Total drug cost

$399K

Distinct drugs

106

Brand share

23.7%

Top prescribed drugs

Amlodipine Besylate347 claims

Atorvastatin Calcium282 claims

Pantoprazole Sodium240 claims

Metformin Hcl217 claims

Apixaban189 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

REFERRAL NETWORK

Where Nang Lok Ellick Tsang'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). 29 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SETON MEDICAL CENTER	328	1,720
Christopher Yoo Diagnostic Radiology · Burlingame, CA	102	476
David Vaughan Cardiology · Daly City, CA	43	128
Daniel Oneill Cardiology · San Francisco, CA	42	219
Falck Northern California Corp. Ambulance Service Provider · Hayward, CA	34	157
James Feeney Cardiology · Provo, UT	33	230
BOECHE, RENEE	32	85
PACIFICA CARE CENTER, INC.	22	128
Emily O'rourke Pathology · Berkeley, CA	21	70
NPI 1386686400	19	70
ANX HOME HEALTHCARE	19	66
GERARD, STEPHEN	19	62

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