What is Poombavai Nagappan's specialty?

Poombavai Nagappan (NPI 1043246689) is a Medicare-billing provider whose primary specialty is Internal Medicine in Tigard, OR.

Where does Poombavai Nagappan practice?

Poombavai Nagappan practices in Tigard, OR, based on the location reported in the CMS Medicare provider datasets for NPI 1043246689.

How much does Medicare pay Poombavai Nagappan?

Poombavai Nagappan (NPI 1043246689) received approximately $40K in total Medicare Part B payments, serving 231 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1043246689

Poombavai NagappanMD

Internal MedicineTigard, ORI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

633

Unique beneficiaries

—

Total services

932

Distinct HCPCS

Medicare payment

$35K

Peer benchmark

Total Medicare services vs. 1,159 Internal Medicine providers in OR — top quintile (cohort median 396).

PRESCRIBING · PART D · 2024

Total Rx claims

6,905

Beneficiaries

—

Total drug cost

$418K

Distinct drugs

118

Brand share

18.9%

Top prescribed drugs

Atorvastatin Calcium827 claims

Levothyroxine Sodium412 claims

Amlodipine Besylate293 claims

Losartan Potassium278 claims

Lisinopril218 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

Home health agency

Home health agency

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Poombavai Nagappan'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 · 8 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES OREGON	103	451
PROVIDENCE HEALTH & SERVICES OREGON	33	103
Lloyd Heller Diagnostic Radiology · Portland, OR	17	33

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES OREGON	137	788
Lloyd Heller Diagnostic Radiology · Portland, OR	32	76
PROVIDENCE HEALTH & SERVICES OREGON	26	72
Steven Zinck Diagnostic Radiology · Portland, OR	19	48
OREGON HEALTH & SCIENCE UNIVERSITY	15	38
Metro West Ambulance, Inc Ambulance Service Provider · Hillsboro, OR	12	35
William Fife Diagnostic Radiology · Portland, OR	12	29
Ethan Korngold Interventional Cardiology · Portland, OR	11	28

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