What is Chiwon Hahn's specialty?

Chiwon Hahn (NPI 1598784704) is a Medicare-billing provider whose primary specialty is Thoracic Surgery in Richmond, VA.

Where does Chiwon Hahn practice?

Chiwon Hahn practices in Richmond, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1598784704.

How much does Medicare pay Chiwon Hahn?

Chiwon Hahn (NPI 1598784704) received approximately $139K in total Medicare Part B payments, serving 218 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1598784704

Chiwon HahnM.D.

PRACTICECARDIAC & THORACIC SURGICAL ASSOCIATES, LTDSee all providers at this practice →

Thoracic SurgeryRichmond, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

292

Unique beneficiaries

—

Total services

293

Distinct HCPCS

Medicare payment

$95K

Peer benchmark

Total Medicare services vs. 54 Thoracic Surgery providers in VA — above median (cohort median 268).

PRESCRIBING · PART D · 2024

Total Rx claims

180

Beneficiaries

—

Total drug cost

$886

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amoxicillin58 claims

Metoprolol Tartrate56 claims

Mupirocin28 claims

Losartan Potassium20 claims

Amlodipine Besylate18 claims

QUALITY · MIPS · 2024

Final MIPS score

89.1

Quality

80.5

Cost

78.3

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.59%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$572

Payment records

By payment type

Food and Beverage$572

Top paying entities

Food and Beverage$572

REFERRAL NETWORK

Where Chiwon Hahn'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
HCA HEALTH SERVICES OF VIRGINIA INC	144	597
Craig Mccormick Diagnostic Radiology · Richmond, VA	64	171
Julius Hurwitz Diagnostic Radiology · Richmond, VA	49	136
RADOW, SCOTT	37	161
FIDLER, ROBERT	35	112
Sujoy Gill Pulmonary Disease · Richmond, VA	31	91
Christopher Nicholson Cardiology · Richmond, VA	27	75
Minh Bui Interventional Cardiology · Richmond, VA	21	85
ADVANCED TECHNOLOGIES IN HOME CARE, INC.	19	43
MIKSA, ANDREA	19	47
CROSS, STEVEN	19	89
CHRISTOPHER, THOMAS	18	40

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