Rosa Delourdes Mercado, MD
Pediatrics Physician · Los Angeles, CA
Rosa Delourdes Mercado, MD is a pediatrics physician with a practice address in Los Angeles, California, and NPI 1134373012, issued on Nov 5, 2008. Check the license (California CA043055, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rosa Delourdes Mercado
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- CA043055 CA
Self-reported in NPPES; status is on the state search - Practice location
- 333 S Beaudry Ave, Los Angeles, CA 90017
- Phone
- (213) 241-6326
- Enumerated
- Nov 5, 2008
- Record last updated
- Nov 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 333 S Beaudry Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rochele AbregoStudent in an Organized Health Care Education/Training Program1699664334
- Catalina Abreu VerdugoSpeech-Language Pathologist1588519698
- Fatima AbutoukHealth & Wellness Coach1841158227
Verify Rosa Delourdes Mercado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license CA043055Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Rosa Delourdes Mercado among 9,272 pediatrics physician records in California
Rosa Delourdes Mercado, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 39% newer
- In a Medicare fileNo · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2008 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
919 pediatrics physician records list a practice address in Los Angeles
They are 919 of the 69,537 NPPES records with a practice address in Los Angeles, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,272 in California → Every provider in Los Angeles → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Evelyn Henar, MDLos Angeles, CA 900171912096553
- Amie Patel, DOLos Angeles, CA 900171790281145
- Jedd Lyn Roessner, M.D.Los Angeles, CA 900171760844310
- David Keene, M.D.Los Angeles, CA 900161235219031
- Suzanna Negussie, MDLos Angeles, CA 900161326188210
- Kaitlin Arena, MD, MPHLos Angeles, CA 900151285195347
- Amanda Bailey, MDLos Angeles, CA 900151477012516
- Mehry Gharib, M.D.Los Angeles, CA 900151598817868
Common questions
What is Rosa Delourdes Mercado, MD's NPI number?
Rosa Delourdes Mercado, MD's National Provider Identifier (NPI) is 1134373012, issued on Nov 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Rosa Delourdes Mercado, MD located?
The NPPES record lists a practice address at 333 S Beaudry Ave, Los Angeles, CA, 90017. Phone: (213) 241-6326. Providers update this record themselves, so call before visiting.
How can I verify Rosa Delourdes Mercado, MD's license?
NPPES lists California license number CA043055, 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.
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.