Ker-Chow Chang, M.D.
Family Medicine Physician · La Habra, CA
Ker-Chow Chang, M.D. is a family medicine physician with a practice address in La Habra, California, and NPI 1346333648, issued on Oct 2, 2006. Check the license (California A48893, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ker-Chow Chang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A48893 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1480 S Harbor Blvd Ste 1, La Habra, CA 90631
- Phone
- (714) 255-1148
- Enumerated
- Oct 2, 2006
- Record last updated
- Apr 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Ker-Chow Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average family medicine physician in 2024
3,168 Medicare Part D claims for 339 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium285 claims
- Amlodipine Besylate234 claims
- Losartan Potassium172 claims
- Metformin Hcl157 claims
- Levothyroxine Sodium117 claims
- Tamsulosin Hcl106 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.
Ker-Chow Chang among 17,133 family medicine physician records in California
Ker-Chow Chang, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2018 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 family medicine physician records list a practice address in La Habra
They are 15 of the 543 NPPES records with a practice address in La Habra, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in La Habra → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Adnan AbbuthalhaLa Habra, CA 906311285215848
- Ronald Correa, M.D.La Habra, CA 906311821035536
- Samuel Doolittle, MDLa Habra, CA 906311750443198
- Nabila FarabiLa Habra, CA 906311508326364
- Jerry Garcia, MDLa Habra Heights, CA 906311881617397
- Don Garcia, MDLa Habra, CA 906311669574968
- Steven Herbets, M.D.La Habra, CA 906311720003734
- Nicolas Hernandez, D.O.La Habra, CA 906311992941751
Common questions
What is Ker-Chow Chang, M.D.'s NPI number?
Ker-Chow Chang, M.D.'s National Provider Identifier (NPI) is 1346333648, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ker-Chow Chang, M.D. located?
The NPPES record lists a practice address at 1480 S Harbor Blvd Ste 1, La Habra, CA, 90631. Phone: (714) 255-1148. Providers update this record themselves, so call before visiting.
How can I verify Ker-Chow Chang, M.D.'s license?
NPPES lists California license number A48893, 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 Ker-Chow Chang, M.D. prescribe under Medicare Part D?
In 2024, Ker-Chow Chang, M.D. had 3,168 Medicare Part D claims for 339 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.