Doctor profile · Federal record

Dr. Gregory Wong, MD

Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA

  • NPI 1336294875
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1700 Cesar Chavez Ave, Senior Care Clinic
Los Angeles, CA 900332414
(323) 307-0800
fax (323) 307-0803
Mailing address
1700 Cesar Chavez Ave #3900
Los Angeles, CA 900332414

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
October 1, 2009
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
California #A96833
Medicaid
CA #00A968330

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336294875. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals Inc. 1 $124.95

By nature of payment

Food and Beverage
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
897
Patients
308
Total drug cost
$32,928
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 111 37 $2,495
Gabapentin Generic 89 31 $1,663
Lisinopril Generic 78 29 $1,149
Atorvastatin Calcium Generic 74 32 $1,260
Metformin Hcl Generic 74 23 $1,215
Amlodipine Besylate Generic 73 25 $975
Losartan Potassium Generic 56 20 $1,238
Diclofenac Epolamine Generic 49 26 $16,297
Tamsulosin Hcl Generic 49 15 $867
Alendronate Sodium Generic 45 11 $722

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Wong's medical specialty?
Dr. Gregory Wong practices Geriatric Medicine (Internal Medicine) Physician in Los Angeles, CA.
Where does Dr. Gregory Wong practice?
Dr. Gregory Wong practices at 1700 Cesar Chavez Ave, Los Angeles, CA 900332414. Office phone: 3233070800.
What is Dr. Gregory Wong's NPI?
Dr. Gregory Wong's National Provider Identifier (NPI) is 1336294875, issued by NPPES.