What is Mani Nallasivan's specialty?

Mani Nallasivan (NPI 1639171606) is a Medicare-billing provider whose primary specialty is Cardiology in Merced, CA.

Where does Mani Nallasivan practice?

Mani Nallasivan practices in Merced, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1639171606.

How much does Medicare pay Mani Nallasivan?

Mani Nallasivan (NPI 1639171606) received approximately $748K in total Medicare Part B payments, serving 1,595 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1639171606

Mani NallasivanM.D.

CardiologyMerced, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,916

Unique beneficiaries

—

Total services

7,779

Distinct HCPCS

Medicare payment

$546K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

2,956

Beneficiaries

—

Total drug cost

$424K

Distinct drugs

Brand share

25.3%

Top prescribed drugs

Amiodarone Hcl310 claims

Metoprolol Succinate266 claims

Furosemide179 claims

Cilostazol164 claims

Atorvastatin Calcium155 claims

QUALITY · MIPS · 2024

Final MIPS score

98.9

Quality

98.1

Cost

82.3

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

1.01%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$655

Payment records

By payment type

Food and Beverage$655

Top paying entities

Food and Beverage$655

REFERRAL NETWORK

Where Mani Nallasivan'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). 72 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Riggs Ambulance Service Ambulance Service Provider · Merced, CA	176	383
Mark Wagner Diagnostic Radiology · Madera, CA	143	336
Sunit Patel Pulmonary Disease · Merced, CA	85	209
Kenneth Grossman Ophthalmology · Merced, CA	77	189
NPI 1407881972	73	158
Hanimireddy Lakireddy Cardiology · Merced, CA	69	127
David Pilkington Dermatology · Merced, CA	64	165
Charlie Kano Family Practice · Merced, CA	64	172
Atul Roy Nephrology · Merced, CA	64	275
NPI 1487754750	57	137
Harold Schick Ophthalmology · Merced, CA	56	106
James Jones Family Practice · Vancouver, WA	56	173

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