What is Justin Peng's specialty?

Justin Peng (NPI 1538328141) is a Medicare-billing provider whose primary specialty is Rheumatology in Washington, DC.

Where does Justin Peng practice?

Justin Peng practices in Washington, DC, based on the location reported in the CMS Medicare provider datasets for NPI 1538328141.

How much does Medicare pay Justin Peng?

Justin Peng (NPI 1538328141) received approximately $1.1M in total Medicare Part B payments, serving 615 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1538328141

Justin PengMD

RheumatologyWashington, DCI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,636

Unique beneficiaries

—

Total services

40,892

Distinct HCPCS

Medicare payment

$613K

Peer benchmark

Total Medicare services vs. 29 Rheumatology providers in DC — top quintile (cohort median 1,150).

PRESCRIBING · PART D · 2024

Total Rx claims

909

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

27.9%

Top prescribed drugs

Methotrexate Sodium152 claims

Prednisone136 claims

Hydroxychloroquine Sulfate84 claims

Alendronate Sodium64 claims

Allopurinol52 claims

QUALITY · MIPS · 2024

Final MIPS score

85.7

Quality

93.4

Cost

59.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.45%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$36

Payment records

By payment type

Food and Beverage$36

Top paying entities

Food and Beverage$36

REFERRAL NETWORK

Where Justin Peng'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). 4 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
David Wolfe Rheumatology · Chevy Chase, MD	33	51
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	16	69
David Borenstein Rheumatology · Washington, DC	11	23
DISTRICT HOSPITAL PARTNERS L P	11	52

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