Elbert Chang, D.O.
Obstetrics & Gynecology Physician · Downey, CA
Elbert Chang, D.O. is an obstetrics & gynecology physician with a practice address in Downey, California, and NPI 1215460712, issued on Apr 11, 2017. Check the license (California 20A20268, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elbert Chang
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 20A20268 CA
67503 CT
Self-reported in NPPES; status is on the state search - Practice location
- 8077 Florence Ave, Downey, CA 90240
- Phone
- (562) 904-6031
- Enumerated
- Apr 11, 2017
- Record last updated
- Jan 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20230209000845); accepts Medicare assignment
- Medical or professional school
- William Carey University College Of Osteopathic Medicine, 2017
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 8077 Florence Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ayman Alladawi, M.D.Obstetrics & Gynecology Physician1144485459
- Azadeh Ashtiany, D.D.S.General Practice Dentistry1639508278
Verify Elbert Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A20268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
151 Medicare Part D claims for 65 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 11 claims were for opioids.
Most prescribed
- Estradiol36 claims
- Gemtesa20 claims
- Ibuprofen15 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: $5,483.51
19 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Allsafe Medical Group IncDowney, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elbert Chang among 5,088 obstetrics & gynecology physician records in California
Elbert Chang, D.O. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.
- NPI issued2017 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2004 among the 2,700 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Downey → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ayman Alladawi, M.D.Downey, CA 902401144485459
- Ladan Ayatollahi, CNM, RN, MSDowney, CA 902401790989028
- Sabrina Leung, MDDowney, CA 902401790212397
- Devadatt Mishal, M.D.Downey, CA 902401285673129
- Medhat Seif, M.DDowney, CA 902401245330828
- Phuong Truong-Yue, MDDowney, CA 902401194769232
- Penelope Velasco, MDDowney, CA 902401124189576
- Ariel Abrahams, MDDowney, CA 902411376726174
Common questions
What is Elbert Chang, D.O.'s NPI number?
Elbert Chang, D.O.'s National Provider Identifier (NPI) is 1215460712, issued on Apr 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Elbert Chang, D.O. located?
The NPPES record lists a practice address at 8077 Florence Ave, Downey, CA, 90240. Phone: (562) 904-6031. Providers update this record themselves, so call before visiting.
How can I verify Elbert Chang, D.O.'s license?
NPPES lists California license number 20A20268, 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 Elbert Chang, D.O. prescribe under Medicare Part D?
In 2024, Elbert Chang, D.O. had 151 Medicare Part D claims for 65 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.