What is Grace Ahn's specialty?

Grace Ahn (NPI 1982884896) is a Medicare-billing provider whose primary specialty is Rheumatology in Wheaton, MD.

Where does Grace Ahn practice?

Grace Ahn practices in Wheaton, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1982884896.

How much does Medicare pay Grace Ahn?

Grace Ahn (NPI 1982884896) received approximately $1.3M in total Medicare Part B payments, serving 877 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1982884896

Grace AhnM.D.

PRACTICEARTHRITIS AND RHEUMATISM ASSOCIATES PCSee all providers at this practice →

RheumatologyWheaton, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

5,136

Unique beneficiaries

—

Total services

74,704

Distinct HCPCS

Medicare payment

$979K

Peer benchmark

Total Medicare services vs. 133 Rheumatology providers in MD — above median (cohort median 27,542).

PRESCRIBING · PART D · 2024

Total Rx claims

1,564

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

23.7%

Top prescribed drugs

Hydroxychloroquine Sulfate194 claims

Methotrexate Sodium191 claims

Prednisone147 claims

Alendronate Sodium127 claims

Allopurinol109 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

$137

Payment records

By payment type

Food and Beverage$137

Top paying entities

Food and Beverage$137

REFERRAL NETWORK

Where Grace 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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	58	201
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	11	26
Quest Diagnostics Nichols Institute, Inc. Clinical Laboratory · Chantilly, VA	11	15

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