Doctor profile · Federal record

Dr. Dennis Chang, M.D.

Family Medicine Physician (CMS: Family Practice) · Arcadia, CA

  • NPI 1811939952
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
624 W Duarte RD, Suite 102
Arcadia, CA 910077603
(626) 254-9540
fax (626) 294-2996
Mailing address
Po Box 1441
Arcadia, CA 910771441

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 21, 2011
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A80774

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811939952. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
460
Distinct HCPCS
6
Medicare allowed
$43,269
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 218 131 $99
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 86 86 $140
G0444 Annual depression screening, 5 to 15 minutes 76 76 $21
99214 Established patient office or other outpatient visit, 30-39 minutes 50 42 $139
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 15 15 $16
99212 Established patient office or other outpatient visit, 10-19 minutes 15 15 $62

In context: peer comparison

Among 3 peers in Arcadia Family Medicine Physician, average services per provider: 162. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$447
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 2 $266.18
Amgen INC. 1 $124.98
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 3 $55.67

By nature of payment

Food and Beverage
$447

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,097
Patients
1,205
Total drug cost
$86,910
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 684 200 $11,477
Levothyroxine Sodium Generic 454 128 $10,265
Rosuvastatin Calcium Generic 400 126 $14,709
Metoprolol Succinate Generic 324 90 $7,508
Losartan Potassium Generic 311 89 $5,476
Amlodipine Besylate Generic 309 97 $3,147
Metformin Hcl Generic 230 67 $2,855
Tamsulosin Hcl Generic 201 52 $4,516
Omeprazole Generic 200 58 $3,573
Escitalopram Oxalate Generic 180 50 $2,865

Frequently asked questions

Auto-generated from federal data
What is Dr. Dennis Chang's medical specialty?
Dr. Dennis Chang practices Family Medicine Physician in Arcadia, CA.
Where does Dr. Dennis Chang practice?
Dr. Dennis Chang practices at 624 W Duarte RD, Arcadia, CA 910077603. Office phone: 6262549540.
What is Dr. Dennis Chang's NPI?
Dr. Dennis Chang's National Provider Identifier (NPI) is 1811939952, issued by NPPES.
Does Dr. Dennis Chang accept Medicare assignment?
Yes. Dr. Dennis Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dennis Chang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.