NPPES file of Aug 9, 2026

Dejun Wang, M.D.

Internal Medicine Physician · Rowland Heights, CA

Dejun Wang, M.D. is an internal medicine physician with a practice address in Rowland Heights, California, and NPI 1275559288, issued on Jul 14, 2006. Check the license (California A71575, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275559288
Name
Dejun Wang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A71575 CA
Self-reported in NPPES; status is on the state search
Practice location
19115 Colima RD Unit 104, Rowland Heights, CA 91748
Phone
(626) 810-2983
Enumerated
Jul 14, 2006
Record last updated
Nov 6, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(626) 810-5741
Medicare enrollment
Enrolled (PECOS I20040331001224); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Dejun Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A71575
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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6.2 times the Medicare Part D claims of the average internal medicine physician in 2024

19,732 Medicare Part D claims for 895 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 46 claims were for opioids.

  1. Dejun Wang19,732
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,296 claims
  2. Amlodipine Besylate1,079 claims
  3. Losartan Potassium833 claims
  4. Metformin Hcl648 claims
  5. Zolpidem Tartrate509 claims
  6. Metoprolol Succinate467 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $68.29

3 payments; by number, the most common kind was food and beverage; the largest payer was Ironwood Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dejun Wang$68.29
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Dejun Wang among 17,696 internal medicine physician records in California

Dejun Wang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1987 · median 2004 among the 11,065 with a school on file
  • Record last updated2019 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 internal medicine physician records list a practice address in Rowland Heights

They are 9 of the 816 NPPES records with a practice address in Rowland Heights, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Wei Bao, M.D.City Of Industry, CA 917481437199304
  2. Kuo Hsien Chang, MDRowland Heights, CA 917481851392922
  3. Yongqing Feng, M.D.Rowland Heights, CA 917481497806988
  4. John Lee, MDFullerton, CA 917481598721284
  5. Zune Liu, MDRowland Heights, CA 917481619069838
  6. Jason Paek, M.D.Rowland Heights, CA 917481770679631
  7. Rosel Liza Reyes, M.D.Rowland Heights, CA 917481285886978
  8. Chia-Yu Teng, M.D.City Of Industry, CA 917481902839160

Common questions

What is Dejun Wang, M.D.'s NPI number?

Dejun Wang, M.D.'s National Provider Identifier (NPI) is 1275559288, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dejun Wang, M.D. located?

The NPPES record lists a practice address at 19115 Colima RD Unit 104, Rowland Heights, CA, 91748. Phone: (626) 810-2983. Providers update this record themselves, so call before visiting.

How can I verify Dejun Wang, M.D.'s license?

NPPES lists California license number A71575, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dejun Wang, M.D. prescribe under Medicare Part D?

In 2024, Dejun Wang, M.D. had 19,732 Medicare Part D claims for 895 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.