What is Jamin Feng's specialty?

Jamin Feng (NPI 1942250709) is a Medicare-billing provider whose primary specialty is Internal Medicine in Ellensburg, WA.

Where does Jamin Feng practice?

Jamin Feng practices in Ellensburg, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1942250709.

How much does Medicare pay Jamin Feng?

Jamin Feng (NPI 1942250709) received approximately $66K in total Medicare Part B payments, serving 399 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1942250709

Jamin FengMD

Internal MedicineEllensburg, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

427

Unique beneficiaries

—

Total services

432

Distinct HCPCS

Medicare payment

$63K

Peer benchmark

Total Medicare services vs. 1,650 Internal Medicine providers in WA — below median (cohort median 497).

PRESCRIBING · PART D · 2024

Total Rx claims

2,457

Beneficiaries

—

Total drug cost

$217K

Distinct drugs

Brand share

23.5%

Top prescribed drugs

Ondansetron Hcl235 claims

Atorvastatin Calcium227 claims

Sodium, Potassium,mag Sulfates155 claims

Lisinopril150 claims

Amlodipine Besylate141 claims

QUALITY · MIPS · 2024

Final MIPS score

80.9

Quality

66.6

Cost

69.8

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.25%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Jamin Feng'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). 50 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KITTITAS COUNTY PUBLIC HOSPITAL DIST 1	896	4,461
MEDICAL LABORATORY ASSOCIATES	228	549
Larry Birger Internal Medicine · Ellensburg, WA	209	731
Kittitas County Fire Protection District 2 Ambulance Service Provider · Ellensburg, WA	175	292
NPI 1063487239	171	480
GOUVEIA, JOSEPH	125	201
GLENSKI, WILLIAM	125	223
Daniel Pak Diagnostic Radiology · Yakima, WA	120	213
WRIGHT, GREGORY	120	223
Nora Kirschner Internal Medicine · Yakima, WA	106	265
William Feldmann Diagnostic Radiology · Yakima, WA	104	179
David Stepanek Diagnostic Radiology · Yakima, WA	98	223

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