Doctor profile · Federal record

Dr. David Chang, MD

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

  • NPI 1801968136
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4733 W Sunset Blvd
Los Angeles, CA 900276021
(323) 783-4011

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 30, 2021
Specialty taxonomy
207QG0300X — NUCC code
State license (1)
California #G64480

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801968136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
104
Distinct HCPCS
1
Medicare allowed
$8,264
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 104 11 $79

In context: peer comparison

Among 2 peers in this city , average services per provider: 46. This provider delivers 2.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$57
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 3 $57.32

By nature of payment

Food and Beverage
$57

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,018
Patients
384
Total drug cost
$19,484
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 208 76 $3,992
Amlodipine Besylate Generic 99 37 $1,204
Levothyroxine Sodium Generic 82 30 $1,527
Lisinopril Generic 80 31 $900
Metoprolol Tartrate Generic 74 22 $897
Furosemide Generic 60 24 $585
Hydralazine Hcl Generic 54 17 $1,780
Tamsulosin Hcl Generic 54 14 $1,540
Levetiracetam Generic 53 14 $2,326
Omeprazole Generic 52 22 $805

Frequently asked questions

Auto-generated from federal data
What is Dr. David Chang's medical specialty?
Dr. David Chang practices Geriatric Medicine (Family Medicine) Physician in Los Angeles, CA.
Where does Dr. David Chang practice?
Dr. David Chang practices at 4733 W Sunset Blvd, Los Angeles, CA 900276021. Office phone: 3237834011.
What is Dr. David Chang's NPI?
Dr. David Chang's National Provider Identifier (NPI) is 1801968136, issued by NPPES.
What procedures does Dr. David Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.