PROVIDER PROFILE · NPI 1659539195

Hwang JunnM.D.

Internal MedicineAnnandale, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,617

Unique beneficiaries

—

Total services

4,850

Distinct HCPCS

Medicare payment

$243K

Peer benchmark

Total Medicare services vs. 2,091 Internal Medicine providers in VA — top quintile (cohort median 769).

PRESCRIBING · PART D · 2024

Total Rx claims

4,809

Beneficiaries

—

Total drug cost

$850K

Distinct drugs

Brand share

20.9%

Top prescribed drugs

Atorvastatin Calcium463 claims

Losartan Potassium282 claims

Amlodipine Besylate264 claims

Rosuvastatin Calcium253 claims

Fluticasone Propionate243 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

100.0

Cost

81.3

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.05%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$86

Payment records

By payment type

Food and Beverage$86

REFERRAL NETWORK

Where Hwang Junn'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
James Park Ophthalmology · Vienna, VA	28	65
Mu Hong Gastroenterology · Annandale, VA	14	50
Ohsang Ro Family Practice · Annandale, VA	13	114
Kathryn Grumbach Diagnostic Radiology · Fairfax, VA	12	35
Director Of Finance-County Of Fairfax Va Ambulance Service Provider · Fairfax, VA	12	47

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