Melissa Elizabeth Chambers, MD
Obstetrics & Gynecology Physician · Los Angeles, CA
Melissa Elizabeth Chambers, MD is an obstetrics & gynecology physician with a practice address in Los Angeles, California, and NPI 1538796594, issued on Mar 26, 2020. Check the license (California A186988, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Melissa Elizabeth Chambers
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A186988 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Ucla Medical Plz Ste 430, Los Angeles, CA 90095
- Phone
- (310) 794-7274
- Enumerated
- Mar 26, 2020
- Record last updated
- Jul 31, 2024
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 200 Ucla Medical Plz Ste 430
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Melissa Elizabeth Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A186988Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
16 Medicare Part D claims, against an average of 165 among the 28,733 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.
Melissa Elizabeth Chambers among 5,088 obstetrics & gynecology physician records in California
Melissa Elizabeth Chambers, MD 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 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2024 · 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 Los Angeles → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Gayane Ambartsumyan, MDLos Angeles, CA 900951174556849
- Tamara Grisales, M.D.Los Angeles, CA 900951063611762
- Andy Huang, M.D.Los Angeles, CA 900951134244924
- Michael Johnson, MDLos Angeles, CA 900951619048659
- Cheri Lowre, MDLos Angeles, CA 900951215967948
- Michael Lu, MDLos Angeles, CA 900951316972219
- Lauren Nathan, MDLos Angeles, CA 900951235164039
- Lisa Nicholas, MDLos Angeles, CA 900951750380648
Common questions
What is Melissa Elizabeth Chambers, MD's NPI number?
Melissa Elizabeth Chambers, MD's National Provider Identifier (NPI) is 1538796594, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Elizabeth Chambers, MD located?
The NPPES record lists a practice address at 200 Ucla Medical Plz Ste 430, Los Angeles, CA, 90095. Phone: (310) 794-7274. Providers update this record themselves, so call before visiting.
How can I verify Melissa Elizabeth Chambers, MD's license?
NPPES lists California license number A186988, 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 Melissa Elizabeth Chambers, MD prescribe under Medicare Part D?
In 2024, Melissa Elizabeth Chambers, MD had 16 Medicare Part D claims; 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.