What is Ali Karrar's specialty?

Ali Karrar (NPI 1871520239) is a Medicare-billing provider whose primary specialty is Rheumatology in Grand Blanc, MI.

Where does Ali Karrar practice?

Ali Karrar practices in Grand Blanc, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1871520239.

How much does Medicare pay Ali Karrar?

Ali Karrar (NPI 1871520239) received approximately $202K in total Medicare Part B payments, serving 279 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1871520239

Ali KarrarM.D.

PRACTICEMICHIGAN RHEUMATOLOGY GROUP PCSee all providers at this practice →

RheumatologyGrand Blanc, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

550

Unique beneficiaries

—

Total services

2,927

Distinct HCPCS

Medicare payment

$65K

Peer benchmark

Total Medicare services vs. 145 Rheumatology providers in MI — top quintile (cohort median 546).

PRESCRIBING · PART D · 2024

Total Rx claims

3,555

Beneficiaries

—

Total drug cost

$3.7M

Distinct drugs

Brand share

35.4%

Top prescribed drugs

Hydroxychloroquine Sulfate847 claims

Methotrexate Sodium719 claims

Methylprednisolone423 claims

Prednisone234 claims

Adalimumab154 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$5K

Payment records

168

By payment type

Food and Beverage$4K

Travel and Lodging$2K

Education$115

Top paying entities

Food and Beverage$4K

Travel and Lodging$2K

Education$115

REFERRAL NETWORK

Where Ali Karrar'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). 48 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
QUEST DIAGNOSTICS INCORPORATED MI	149	665
HENRY FORD HEALTH GENESYS HOSPITAL	112	392
Anant Patel Diagnostic Radiology · Grand Rapids, MI	44	167
Mobile Medical Response Inc Ambulance Service Provider · Saginaw, MI	44	134
Paul Lauber Diagnostic Radiology · Flint, MI	40	129
STAT EMERGENCY MEDICAL SERVICES INC	36	335
Ronald Sparschu Diagnostic Radiology · Lapeer, MI	32	128
Murugusundaram Veeramani Diagnostic Radiology · Flint, MI	30	131
MCLAREN LAPEER REGION	29	193
NPI 1225294424	29	82
Lawrence Ashker Diagnostic Radiology · Rochester, MI	27	73
Peter Rydesky Diagnostic Radiology · Dayton, OH	25	75

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