What is Stefan Chin's specialty?

Stefan Chin (NPI 1891794152) is a Medicare-billing provider whose primary specialty is Gastroenterology in Daly City, CA.

Where does Stefan Chin practice?

Stefan Chin practices in Daly City, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1891794152.

How much does Medicare pay Stefan Chin?

Stefan Chin (NPI 1891794152) received approximately $119K in total Medicare Part B payments, serving 360 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1891794152

Stefan ChinMD

GastroenterologyDaly City, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

759

Unique beneficiaries

—

Total services

1,371

Distinct HCPCS

Medicare payment

$104K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — top quintile (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

1,619

Beneficiaries

—

Total drug cost

$673K

Distinct drugs

Brand share

24.3%

Top prescribed drugs

Pantoprazole Sodium658 claims

Famotidine136 claims

Peg3350/Sod Sul/Nacl/Kcl/Asb/C105 claims

Omeprazole104 claims

Lubiprostone62 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

20.9

Cost

75.6

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Stefan Chin'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). 31 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SETON MEDICAL CENTER	272	954
Christopher Yoo Diagnostic Radiology · Burlingame, CA	97	275
DIGESTIVE DIAGNOSTIC CENTER INC	85	107
David Vaughan Cardiology · Daly City, CA	44	160
Mark Tsuchiyose Gastroenterology · Daly City, CA	39	113
James Feeney Cardiology · Provo, UT	33	139
Anamika Gupta Hospitalist · San Francisco, CA	26	102
Daniel Oneill Cardiology · San Francisco, CA	23	79
NPI 1215042163	22	43
Emily O'rourke Pathology · Berkeley, CA	21	50
GERARD, STEPHEN	21	43
James Rumack Specialist · Daly City, CA	20	104

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events