PROVIDER PROFILE · NPI 1679541148

Muthusamy MuthiahMD

PRACTICEINTERNAL MEDICINE MEDICAL GROUPSee all providers at this practice →

CardiologyPomona, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,650

Unique beneficiaries

—

Total services

4,483

Distinct HCPCS

Medicare payment

$386K

Peer benchmark

Total Medicare services vs. 1,869 Cardiology providers in CA — above median (cohort median 2,371).

PRESCRIBING · PART D · 2024

Total Rx claims

5,188

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

Brand share

29.7%

Top prescribed drugs

Apixaban515 claims

Atorvastatin Calcium404 claims

Metoprolol Succinate366 claims

Furosemide301 claims

Amlodipine Besylate300 claims

QUALITY · MIPS · 2024

Final MIPS score

78.1

Quality

40.9

Cost

74.8

Improvement activities

40.0

Promoting interop.

75.0

Payment adjustment

0.13%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$322

Payment records

By payment type

Food and Beverage$322

REFERRAL NETWORK

Where Muthusamy Muthiah'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). 70 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
POMONA VALLEY HOSPITAL MEDICAL CENTER	468	1,535
Christina Benedict Diagnostic Radiology · Pomona, CA	133	413
SCHAEFER AMBULANCE SERVICE, INC	130	364
Johnson Lightfoote Diagnostic Radiology · Pomona, CA	118	354
Hamidreza Torshizy Diagnostic Radiology · San Diego, CA	112	301
Unilab Corporation Clinical Laboratory · West Hills, CA	62	224
Cmg Clinical Laboratory And Ancillary Services, Inc. Independent Diagnostic Testing Facility (IDTF) · Pomona, CA	61	120
Heather Davis Pulmonary Disease · Claremont, CA	61	289
THC - ORANGE COUNTY, LLC	60	267
Rakesh Sinha Pulmonary Disease · Pomona, CA	60	206
Nadir Eltahir Pulmonary Disease · Pomona, CA	55	143
Alexander Chien Diagnostic Radiology · Pomona, CA	53	177

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