Kuo Hsien Chang, MD
Internal Medicine Physician · Rowland Heights, CA
Kuo Hsien Chang, MD is an internal medicine physician with a practice address in Rowland Heights, California, and NPI 1851392922, issued on Aug 10, 2005. Check the license (California A63473, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Kuo Hsien Chang
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A63473 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18391 Colima RD, Rowland Heights, CA 91748
- Phone
- (626) 965-0696
- Enumerated
- Aug 10, 2005
- Record last updated
- Nov 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (626) 965-0265
- Medicaid ID
- 00A634730 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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Verify Kuo Hsien Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A63473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
17 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Kuo Hsien Chang among 17,696 internal medicine physician records in California
Kuo Hsien Chang, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2009 · 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.
All 17,696 in California → Every provider in Rowland Heights → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Wei Bao, M.D.City Of Industry, CA 917481437199304
- Yongqing Feng, M.D.Rowland Heights, CA 917481497806988
- John Lee, MDFullerton, CA 917481598721284
- Zune Liu, MDRowland Heights, CA 917481619069838
- Jason Paek, M.D.Rowland Heights, CA 917481770679631
- Rosel Liza Reyes, M.D.Rowland Heights, CA 917481285886978
- Chia-Yu Teng, M.D.City Of Industry, CA 917481902839160
- Hsiu-Ying Tseng, D.O.Rowland Heights, CA 917481689683831
Common questions
What is Kuo Hsien Chang, MD's NPI number?
Kuo Hsien Chang, MD's National Provider Identifier (NPI) is 1851392922, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Kuo Hsien Chang, MD located?
The NPPES record lists a practice address at 18391 Colima RD, Rowland Heights, CA, 91748. Phone: (626) 965-0696. Providers update this record themselves, so call before visiting.
How can I verify Kuo Hsien Chang, MD's license?
NPPES lists California license number A63473, 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 Kuo Hsien Chang, MD prescribe under Medicare Part D?
In 2024, Kuo Hsien Chang, MD had 17 Medicare Part D claims; 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.