PROVIDER PROFILE · NPI 1801080080

Hariharan SubramanianM.D.

CardiologyHolyoke, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,822

Unique beneficiaries

—

Total services

3,542

Distinct HCPCS

Medicare payment

$135K

Peer benchmark

Total Medicare services vs. 693 Cardiology providers in MA — top quintile (cohort median 1,819).

PRESCRIBING · PART D · 2024

Total Rx claims

4,298

Beneficiaries

—

Total drug cost

$1.1M

Distinct drugs

Brand share

30.9%

Top prescribed drugs

Apixaban547 claims

Metoprolol Succinate506 claims

Atorvastatin Calcium372 claims

Amlodipine Besylate339 claims

Metoprolol Tartrate252 claims

QUALITY · MIPS · 2024

Final MIPS score

100.0

Quality

83.0

Cost

0.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

1.05%

APM Entity

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$62

Payment records

By payment type

Food and Beverage$62

REFERRAL NETWORK

Where Hariharan Subramanian'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). 74 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Nayyer Ghias Hospitalist · Holyoke, MA	97	450
BAYSTATE MEDICAL CENTER INC	92	290
Julian Hernandez Emergency Medicine · Natchitoches, LA	89	267
Yong Hwa Lee Emergency Medicine · Somerville, MA	87	216
Diana Israeli Internal Medicine · Northampton, MA	86	381
Mohammad Bajwa Internal Medicine · Holyoke, MA	80	327
Cemil Erdem Emergency Medicine · Springfield, MA	79	196
CLINTON, DAVID	69	272
Juan Paolo Lirio Internal Medicine · Norwalk, CT	65	262
Jennifer Mark Family Practice · Athol, MA	58	132
Mrinal Mali Diagnostic Radiology · Hartford, CT	52	123
Fire District No. 1 Ambulance Service Provider · South Hadley, MA	51	115

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