Doctor profile · Federal record

Dr. Teresita Tan, MD

General Practice Physician · Los Angeles, CA

  • NPI 1396835633
  • 20 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
244 S Oxford Ave, #9
Los Angeles, CA 90004
(213) 382-1770
fax (213) 382-1895

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
December 21, 2010
Specialty taxonomy
208D00000X — NUCC code
State license (1)
California #A40376
Medicaid
CA #00A403760

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396835633. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
1
Medicare allowed
$5,815
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 59 21 $99

In context: peer comparison

Among 15 peers in Los Angeles General Practice Physician, average services per provider: 216. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, INC. 1 $31.22

By nature of payment

Food and Beverage
$31

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,111
Patients
813
Total drug cost
$350,180
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 404 115 $4,545
Losartan Potassium Generic 395 99 $5,745
Amlodipine Besylate Generic 349 84 $3,502
Metoprolol Succinate Generic 209 50 $4,120
Januvia (Sitagliptin Phosphate) Brand 200 27 $142,600
Atorvastatin Calcium Generic 198 49 $3,706
Jardiance (Empagliflozin) Brand 189 31 $159,611
Alendronate Sodium Generic 167 47 $2,114
Pantoprazole Sodium Generic 167 45 $1,858
Simvastatin Generic 149 33 $1,747

Frequently asked questions

Auto-generated from federal data
What is Dr. Teresita Tan's medical specialty?
Dr. Teresita Tan practices General Practice Physician in Los Angeles, CA.
Where does Dr. Teresita Tan practice?
Dr. Teresita Tan practices at 244 S Oxford Ave, Los Angeles, CA 90004. Office phone: 2133821770.
What is Dr. Teresita Tan's NPI?
Dr. Teresita Tan's National Provider Identifier (NPI) is 1396835633, issued by NPPES.
What procedures does Dr. Teresita Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.