Moon S. Chang, M.D.
Specialist · Los Angeles, CA
Moon S. Chang, M.D. is a specialist with a practice address in Los Angeles, California, and NPI 1275617714, issued on Oct 24, 2006. Check the license (California A333570, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Moon S. Chang
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A333570 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3671 W 6TH St, Los Angeles, CA 90020
- Phone
- (213) 383-8497
- Enumerated
- Oct 24, 2006
- Record last updated
- Nov 28, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (213) 365-9133
- Medicaid IDs
- 6671816 CA
00A333570 CA - Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 3671 W 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bong Chang, M.D.Pediatrics Physician1427131150
Verify Moon S. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A333570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Moon S. Chang among 5,749 specialist records in California
Moon S. Chang, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileNo · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2009 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,749 in California → Every provider in Los Angeles → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Susan HartleyLos Angeles, CA 900201306926779
- Moses Kahng, DPMLos Angeles, CA 900201710068846
- Nancy Kim, M.DLos Angeles, CA 900201073547626
- Andrew Kim, M.D.Los Angeles, CA 900201699858993
- Anthony LeggittLos Angeles, CA 900201962714550
- Charlene Song, M.DLos Angeles, CA 900201366537474
- Luke Yoon, M.D.Los Angeles, CA 900201114007747
- Hector Castillo, M.D.Los Angeles, CA 900211659366136
Common questions
What is Moon S. Chang, M.D.'s NPI number?
Moon S. Chang, M.D.'s National Provider Identifier (NPI) is 1275617714, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Moon S. Chang, M.D. located?
The NPPES record lists a practice address at 3671 W 6TH St, Los Angeles, CA, 90020. Phone: (213) 383-8497. Providers update this record themselves, so call before visiting.
How can I verify Moon S. Chang, M.D.'s license?
NPPES lists California license number A333570, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.