What is Margaret Nambiar's specialty?

Margaret Nambiar (NPI 1043292030) is a Medicare-billing provider whose primary specialty is Ophthalmology in Hemet, CA.

Where does Margaret Nambiar practice?

Margaret Nambiar practices in Hemet, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1043292030.

How much does Medicare pay Margaret Nambiar?

Margaret Nambiar (NPI 1043292030) received approximately $26K in total Medicare Part B payments, serving 140 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1043292030

Margaret NambiarM.D.

OphthalmologyHemet, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

320

Unique beneficiaries

—

Total services

379

Distinct HCPCS

Medicare payment

$20K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — bottom quintile (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

2,049

Beneficiaries

—

Total drug cost

$41K

Distinct drugs

Brand share

29.3%

Top prescribed drugs

Latanoprost792 claims

Tobramycin/Dexamethasone239 claims

Timolol Maleate239 claims

Erythromycin Base198 claims

Ofloxacin116 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$138

Payment records

By payment type

Food and Beverage$138

Top paying entities

Food and Beverage$138

REFERRAL NETWORK

Where Margaret Nambiar'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). 3 inbound referrers · 16 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mvml, Inc. Clinical Laboratory · Hemet, CA	27	51
Unilab Corporation Clinical Laboratory · West Hills, CA	24	52
KPC GLOBAL MEDICAL CENTERS, INC.	21	28

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	44	70
Mvml, Inc. Clinical Laboratory · Hemet, CA	28	39
Unilab Corporation Clinical Laboratory · West Hills, CA	22	46
Hemet Healthcare Surgicenter, Inc. Ambulatory Surgical Center · Hemet, CA	22	43
KPC GLOBAL MEDICAL CENTERS, INC.	22	25
Rakesh Gupta Pulmonary Disease · San Jacinto, CA	19	77
Hemchand Kolli Internal Medicine · Hemet, CA	18	43
Chung Chen Diagnostic Radiology · Hemet, CA	16	20
DICAPUA, LAWRENCE	15	21
Anil Rastogi Cardiology · Hemet, CA	15	46
Ashok Agarwal Cardiology · Hemet, CA	14	21
Stephen Brahm Podiatry · Hemet, CA	14	36

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