What is Joon Ahn's specialty?

Joon Ahn (NPI 1609820075) is a Medicare-billing provider whose primary specialty is Clinical Cardiac Electrophysiology in Gainesville, GA.

Where does Joon Ahn practice?

Joon Ahn practices in Gainesville, GA, based on the location reported in the CMS Medicare provider datasets for NPI 1609820075.

How much does Medicare pay Joon Ahn?

Joon Ahn (NPI 1609820075) received approximately $294K in total Medicare Part B payments, serving 2,128 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609820075

Joon AhnMD

Clinical Cardiac ElectrophysiologyGainesville, GAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,170

Unique beneficiaries

—

Total services

6,959

Distinct HCPCS

Medicare payment

$261K

Peer benchmark

Total Medicare services vs. 67 Clinical Cardiac Electrophysiology providers in GA — top quintile (cohort median 3,629).

PRESCRIBING · PART D · 2024

Total Rx claims

3,038

Beneficiaries

—

Total drug cost

$952K

Distinct drugs

Brand share

46.1%

Top prescribed drugs

Apixaban591 claims

Metoprolol Succinate499 claims

Metoprolol Tartrate248 claims

Flecainide Acetate246 claims

Rivaroxaban244 claims

QUALITY · MIPS · 2024

Final MIPS score

88.5

Quality

85.3

Cost

76.2

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.57%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Top paying entities

Food and Beverage$2K

REFERRAL NETWORK

Where Joon Ahn'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). 120 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHEAST GEORGIA MEDICAL CENTER, INC.	1,178	3,405
Laboratory Corporation Of America Holdings Clinical Laboratory · Birmingham, AL	265	683
HOOPER, TREVOR	236	655
Ajay Ravi Diagnostic Radiology · Gainesville, GA	215	454
Lee Martin Diagnostic Radiology · Gainesville, GA	200	423
Abhishek Gaur Cardiology · Gainesville, GA	191	656
Robert Balotin Diagnostic Radiology · Gainesville, GA	158	342
Salem Sayar Clinical Cardiac Electrophysiology · Roseville, MI	155	577
Matthew Scott Diagnostic Radiology · Macon, GA	133	331
Pradyumna Tummala Interventional Cardiology · Atlanta, GA	129	561
Mark Matthews Cardiology · Myrtle Beach, SC	114	320
Mark Leimbach Interventional Cardiology · Atlanta, GA	110	358

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