Doctor profile · Federal record

Dr. Naureen Tareen, M.D.

Internal Medicine Physician · Fullerton, CA

  • NPI 1699952820
  • 18 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
831 W Las Palmas Dr
Fullerton, CA 928351439
(714) 403-9942
fax (714) 403-9942
Mailing address
3834 S Western Ave
Los Angeles, CA 900621104

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
March 7, 2023
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A64054

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699952820. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
81
Distinct HCPCS
3
Medicare allowed
$8,815
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 34 15 $137
36415 Insertion of needle into vein for collection of blood sample 25 17 $8
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $180

In context: peer comparison

Among 14 peers in this city , average services per provider: 146. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 1 $20.57

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
25
Patients
11
Total drug cost
$443
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 25 11 $443

Frequently asked questions

Auto-generated from federal data
What is Dr. Naureen Tareen's medical specialty?
Dr. Naureen Tareen practices Internal Medicine Physician in Fullerton, CA.
Where does Dr. Naureen Tareen practice?
Dr. Naureen Tareen practices at 831 W Las Palmas Dr, Fullerton, CA 928351439. Office phone: 7144039942.
What is Dr. Naureen Tareen's NPI?
Dr. Naureen Tareen's National Provider Identifier (NPI) is 1699952820, issued by NPPES.
What procedures does Dr. Naureen Tareen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.