What is John Lin's specialty?

John Lin (NPI 1689602609) is a Medicare-billing provider whose primary specialty is Internal Medicine in South El Monte, CA.

Where does John Lin practice?

John Lin practices in South El Monte, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1689602609.

How much does Medicare pay John Lin?

John Lin (NPI 1689602609) received approximately $30K in total Medicare Part B payments, serving 195 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689602609

John LinM.D.

PRACTICENGOC TUAN NGUYEN MD INCSee all providers at this practice →

Internal MedicineSouth El Monte, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

270

Unique beneficiaries

—

Total services

278

Distinct HCPCS

Medicare payment

$28K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$254

Distinct drugs

Brand share

35.1%

Top prescribed drugs

Hydrocodone/Acetaminophen13 claims

Cephalexin12 claims

Donepezil Hcl12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$146

Payment records

By payment type

Food and Beverage$146

Top paying entities

Food and Beverage$146

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050738

Hospital

CCN 050745

Hospital

CCN 050747

Hospital

REFERRAL NETWORK

Where John Lin'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). 9 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AHMC GREATER EL MONTE COMMUNITY	89	148
Daniel Garza Diagnostic Radiology · Alhambra, CA	37	52
Aldric Shim Diagnostic Radiology · Monterey Park, CA	34	49
Chin Shun Shih Internal Medicine · Monterey Park, CA	33	61
James Lin Diagnostic Radiology · West Covina, CA	31	47
YANG, BAO	25	72
Yan Ping Zhang Internal Medicine · El Monte, CA	13	23
NPI 1053329052	13	23
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	11	24

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