What is Kalpana Natrajan's specialty?

Kalpana Natrajan (NPI 1770686834) is a Medicare-billing provider whose primary specialty is Infectious Disease in San Diego, CA.

Where does Kalpana Natrajan practice?

Kalpana Natrajan practices in San Diego, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1770686834.

How much does Medicare pay Kalpana Natrajan?

Kalpana Natrajan (NPI 1770686834) received approximately $228K in total Medicare Part B payments, serving 95 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1770686834

Kalpana NatrajanM.D.

PRACTICEDR. KARRAR ALI, INCSee all providers at this practice →

Infectious DiseaseSan Diego, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

238

Unique beneficiaries

—

Total services

2,980

Distinct HCPCS

Medicare payment

$228K

Peer benchmark

Total Medicare services vs. 583 Infectious Disease providers in CA — top quintile (cohort median 564).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$25

Payment records

By payment type

Food and Beverage$25

Top paying entities

Food and Beverage$25

REFERRAL NETWORK

Where Kalpana Natrajan'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). 29 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALVARADO HOSPITAL, LLC	87	384
Scott Harman Diagnostic Radiology · San Diego, CA	58	483
John Lubisich Diagnostic Radiology · San Diego, CA	49	267
Michael Butera Infectious Disease · San Diego, CA	46	855
Alan Lurie Diagnostic Radiology · San Diego, CA	39	242
Ross Schwartzberg Diagnostic Radiology · San Diego, CA	32	212
O'SHAUGHNESSY, LOUISE	27	131
MALCOLM, ANDREW	27	279
Michael Michalski Cardiology · La Mesa, CA	25	193
Lawrence Bogle Diagnostic Radiology · San Diego, CA	25	425
Athir Hajjar Critical Care (Intensivists) · El Cajon, CA	22	117
Thomas Young Cardiology · San Diego, CA	20	93

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