What is Brian Keroack's specialty?

Brian Keroack (NPI 1891788659) is a Medicare-billing provider whose primary specialty is Rheumatology in Portland, ME.

Where does Brian Keroack practice?

Brian Keroack practices in Portland, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1891788659.

How much does Medicare pay Brian Keroack?

Brian Keroack (NPI 1891788659) received approximately $901K in total Medicare Part B payments, serving 408 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1891788659

Brian KeroackMD

PRACTICERHEUMATOLOGY ASSOCIATESSee all providers at this practice →

RheumatologyPortland, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,848

Unique beneficiaries

—

Total services

68,412

Distinct HCPCS

Medicare payment

$495K

Peer benchmark

Total Medicare services vs. 20 Rheumatology providers in ME — top quintile (cohort median 3,363).

PRESCRIBING · PART D · 2024

Total Rx claims

4,018

Beneficiaries

—

Total drug cost

$6.0M

Distinct drugs

Brand share

39.6%

Top prescribed drugs

Prednisone714 claims

Methotrexate Sodium564 claims

Hydroxychloroquine Sulfate331 claims

Etanercept260 claims

Hydrocodone/Acetaminophen196 claims

QUALITY · MIPS · 2024

Final MIPS score

95.7

Quality

91.5

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.87%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$250

Payment records

By payment type

Food and Beverage$250

Top paying entities

Food and Beverage$250

REFERRAL NETWORK

Where Brian Keroack'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
Nordx Clinical Laboratory · Scarborough, ME	114	448
YORK HOSPITAL	92	648
BRIDGTON HOSPITAL	13	102
MERRIAM, MICHAEL	12	15
MAINEHEALTH	11	18

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