PROVIDER PROFILE · NPI 1639377914

John RajapakseM.D.

PRACTICEJOHN S. RAJAPAKSE, MD PASee all providers at this practice →

Internal MedicinePerth Amboy, NJI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

260

Unique beneficiaries

—

Total services

681

Distinct HCPCS

Medicare payment

$47K

Peer benchmark

Total Medicare services vs. 3,616 Internal Medicine providers in NJ — below median (cohort median 895).

PRESCRIBING · PART D · 2024

Total Rx claims

12,563

Beneficiaries

—

Total drug cost

$873K

Distinct drugs

156

Brand share

22.7%

Top prescribed drugs

Alprazolam687 claims

Amlodipine Besylate589 claims

Hydrochlorothiazide553 claims

Atorvastatin Calcium452 claims

Omeprazole433 claims

QUALITY · MIPS · 2024

Final MIPS score

95.1

Quality

92.0

Cost

69.6

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.85%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where John Rajapakse'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
MERCY DIAGNOSTICS INC	70	189
Karen Salmieri Diagnostic Radiology · East Brunswick, NJ	15	57
WARREN, STEPHEN	14	43
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	14	20
Aculabs Inc Clinical Laboratory · East Brunswick, NJ	14	121

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