What is Cheng-Yang Tuan's specialty?

Cheng-Yang Tuan (NPI 1891746129) is a Medicare-billing provider whose primary specialty is Endocrinology in San Francisco, CA.

Where does Cheng-Yang Tuan practice?

Cheng-Yang Tuan practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1891746129.

How much does Medicare pay Cheng-Yang Tuan?

Cheng-Yang Tuan (NPI 1891746129) received approximately $396K in total Medicare Part B payments, serving 450 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1891746129

Cheng-Yang TuanMD

EndocrinologySan Francisco, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,488

Unique beneficiaries

—

Total services

5,773

Distinct HCPCS

Medicare payment

$392K

Peer benchmark

Total Medicare services vs. 633 Endocrinology providers in CA — top quintile (cohort median 1,164).

PRESCRIBING · PART D · 2024

Total Rx claims

12,586

Beneficiaries

—

Total drug cost

$7.1M

Distinct drugs

Brand share

58.7%

Top prescribed drugs

Empagliflozin1,216 claims

Semaglutide1,180 claims

Metformin Hcl950 claims

Levothyroxine Sodium843 claims

Atorvastatin Calcium761 claims

QUALITY · MIPS · 2024

Final MIPS score

19.9

Quality

0.0

Cost

66.4

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

-6.61%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$59K

Payment records

224

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$52K

Food and Beverage$5K

Travel and Lodging$2K

Education$113

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$52K

Food and Beverage$5K

Travel and Lodging$2K

Education$113

REFERRAL NETWORK

Where Cheng-Yang Tuan'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Eric Lim Internal Medicine · San Francisco, CA	53	233
SETON MEDICAL CENTER	40	144
MOON, KIRK	26	38
LEHRICH, WILLIAM	23	77
Ilyas Iliya Internal Medicine · San Francisco, CA	22	82
Helen Lau Endocrinology · Daly City, CA	22	45
UCSF HEALTH COMMUNITY HOSPITALS	21	50
Chong Yu Optometry · San Francisco, CA	21	48
BENARD, JAY	21	46
Devan Marar Cardiology · San Francisco, CA	20	49
NPI 1275567943	18	32
Barbara Bishop Family Practice · San Francisco, CA	17	45

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