Doctor profile · Federal record

Dr. Dejun Wang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Rowland Heights, CA

  • NPI 1275559288
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
19115 Colima RD Unit 104
Rowland Heights, CA 917483074
(626) 810-2983
fax (626) 810-5741

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 6, 2019
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A71575

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275559288. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
10,940
Distinct HCPCS
10
Medicare allowed
$868,419
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 2,728 265 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 2,077 458 $139
20610 Aspiration and/or injection of fluid from large joint 1,144 97 $53
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose 1,126 88 $74
99213 Established patient office or other outpatient visit, 20-29 minutes 890 343 $98
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 367 140 $53
99497 Advance care planning, first 30 minutes 336 332 $88
G0442 Annual alcohol misuse screening, 5 to 15 minutes 317 317 $21
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 317 317 $28
G0444 Annual depression screening, 5 to 15 minutes 309 309 $21

In context: peer comparison

Among 2 peers in Rowland Heights Internal Medicine Physician, average services per provider: 339. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$68
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Ironwood Pharmaceuticals, INC 1 $26.28
Abbvie INC. 1 $24.05
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $17.96

By nature of payment

Food and Beverage
$68

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,075
Patients
2,146
Total drug cost
$373,454
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,171 321 $23,066
Amlodipine Besylate Generic 988 253 $13,784
Losartan Potassium Generic 798 219 $15,968
Metformin Hcl Generic 614 170 $9,282
Zolpidem Tartrate Generic 433 168 $3,859
Metoprolol Succinate Generic 398 109 $8,559
Alendronate Sodium Generic 373 114 $6,253
Omeprazole Generic 362 133 $6,573
Tamsulosin Hcl Generic 359 103 $8,237
Levothyroxine Sodium Generic 341 92 $8,597

Frequently asked questions

Auto-generated from federal data
What is Dr. Dejun Wang's medical specialty?
Dr. Dejun Wang practices Internal Medicine Physician in Rowland Heights, CA.
Where does Dr. Dejun Wang practice?
Dr. Dejun Wang practices at 19115 Colima RD Unit 104, Rowland Heights, CA 917483074. Office phone: 6268102983.
What is Dr. Dejun Wang's NPI?
Dr. Dejun Wang's National Provider Identifier (NPI) is 1275559288, issued by NPPES.
Does Dr. Dejun Wang accept Medicare assignment?
Yes. Dr. Dejun Wang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dejun Wang commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.