What is Gnanaraj Koilpillai's specialty?

Gnanaraj Koilpillai (NPI 1245218064) is a Medicare-billing provider whose primary specialty is Family Practice in Frederick, MD.

Where does Gnanaraj Koilpillai practice?

Gnanaraj Koilpillai practices in Frederick, MD, based on the location reported in the CMS Medicare provider datasets for NPI 1245218064.

How much does Medicare pay Gnanaraj Koilpillai?

Gnanaraj Koilpillai (NPI 1245218064) received approximately $12K in total Medicare Part B payments, serving 110 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1245218064

Gnanaraj KoilpillaiM.D.

Family PracticeFrederick, MDI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

215

Unique beneficiaries

—

Total services

330

Distinct HCPCS

Medicare payment

$11K

Peer benchmark

Total Medicare services vs. 988 Family Practice providers in MD — below median (cohort median 868).

PRESCRIBING · PART D · 2024

Total Rx claims

190

Beneficiaries

—

Total drug cost

$85K

Distinct drugs

Brand share

55.3%

Top prescribed drugs

Metformin Hcl29 claims

Warfarin Sodium26 claims

Tirzepatide25 claims

Baclofen18 claims

Dulaglutide15 claims

QUALITY · MIPS · 2024

Final MIPS score

83.1

Quality

75.5

Cost

68.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.34%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$38

Payment records

By payment type

Food and Beverage$38

Top paying entities

Food and Beverage$38

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 210005

Hospital

REFERRAL NETWORK

Where Gnanaraj Koilpillai'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). 9 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gregory Lavanier Diagnostic Radiology · Frederick, MD	21	65
Frederick County Maryland Ambulance Service Provider · Frederick, MD	19	41
Linda Muehl Nurse Practitioner · Frederick, MD	16	49
BENNETT, MATTHEW	15	54
Marsha Naydich Diagnostic Radiology · Eden Prairie, MN	15	41
Sherwin Danaie Diagnostic Radiology · Frederick, MD	14	26
David Rhee Diagnostic Radiology · Frederick, MD	13	23
Peter Kremers Diagnostic Radiology · Frederick, MD	11	23
Rizwana Afzal Diagnostic Radiology · Frederick, MD	11	17

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
FREDERICK HEALTH HOSPITAL INC	127	620
Linda Muehl Nurse Practitioner · Frederick, MD	25	65
FREDERICK HEALTH HOSPITAL INC	19	29
David Rhee Diagnostic Radiology · Frederick, MD	18	49
Anthony Rowedder Diagnostic Radiology · Frederick, MD	17	42
Laboratory Corporation Of America Holdings Clinical Laboratory · Burlington, NC	16	33
Sherwin Danaie Diagnostic Radiology · Frederick, MD	16	49

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