What is Naureen Tareen's specialty?

Naureen Tareen (NPI 1699952820) is a Medicare-billing provider whose primary specialty is Internal Medicine in Fullerton, CA.

Where does Naureen Tareen practice?

Naureen Tareen practices in Fullerton, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1699952820.

How much does Medicare pay Naureen Tareen?

Naureen Tareen (NPI 1699952820) received approximately $10K in total Medicare Part B payments, serving 62 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1699952820

Naureen TareenM.D.

Internal MedicineFullerton, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$7K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — bottom quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

119

Beneficiaries

—

Total drug cost

$2K

Distinct drugs

Brand share

10.1%

Top prescribed drugs

Amlodipine Besylate33 claims

Losartan Potassium27 claims

Atorvastatin Calcium21 claims

Levothyroxine Sodium15 claims

Albuterol Sulfate12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Naureen Tareen'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). 45 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PRIME HEALTHCARE LA PALMA, LLC	62	149
UNIVERSITY OF CALIFORNIA IRVINE	51	125
GARDENS REGIONAL HOSPITAL AND MEDICAL CENTER INC	45	94
Cynthia Miller Pulmonary Disease · Long Beach, CA	42	443
Reza Dehdari Diagnostic Radiology · Tustin, CA	41	256
Derek Dobalian Gastroenterology · Long Beach, CA	37	306
SHARZER, MARK	33	120
Martin Schwartz Diagnostic Radiology · Los Angeles, CA	30	171
Masoud Rahban Infectious Disease · Los Angeles, CA	28	234
DIGNITY HEALTH	28	86
Pramod Multani Cardiology · Downey, CA	25	96
Unilab Corporation Clinical Laboratory · West Hills, CA	24	37

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