Celia Mercado, M.D.
Obstetrics & Gynecology Physician · San Jose, CA
Celia Mercado, M.D. is an obstetrics & gynecology physician with a practice address in San Jose, California, and NPI 1891985578, issued on Jul 27, 2007. Check the license (California A91556, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Celia Mercado
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A91556 CA
Self-reported in NPPES; status is on the state search - Practice location
- 276 International Cir, San Jose, CA 95119
- Phone
- (408) 972-6202
- Enumerated
- Jul 27, 2007
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080201000416); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 276 International Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Orlando Acuna, MDStudent in an Organized Health Care Education/Training Program1528907060
- Monica Agarwal, MDFamily Medicine Physician1043716152
- Shreya Atitkar, DOStudent in an Organized Health Care Education/Training Program1083417703
- Theresa Brees, LCSWClinical Social Worker1215093208
- Kavya Chavali, MDFamily Medicine Physician1790435345
- Liyuan Chen, M.D.Pediatrics Physician1528486149
Verify Celia Mercado in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91556Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
188 Medicare Part D claims for 90 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Estradiol51 claims
- Hydrocortisone28 claims
- Medroxyprogesterone Acetate11 claims
- Triamcinolone Acetonide11 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Celia Mercado among 5,088 obstetrics & gynecology physician records in California
Celia Mercado, M.D. 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 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 38% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2003 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 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 San Jose → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Patti Albertson, MDSan Jose, CA 951191952487456
- Akila Annamalai, MDSan Jose, CA 951191497831903
- Preete Bhanot, MDSan Jose, CA 951191215013719
- Joseph Derrough, MDSan Jose, CA 951191225114747
- Karen Garcia, MDSan Jose, CA 951191043396567
- Dennis Hou, MDSan Jose, CA 951191245316751
- Thomas Lin, MDSan Jose, CA 951191023194552
- Suchada Nopachai, MDSan Jose, CA 951191699851105
Common questions
What is Celia Mercado, M.D.'s NPI number?
Celia Mercado, M.D.'s National Provider Identifier (NPI) is 1891985578, issued on Jul 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Celia Mercado, M.D. located?
The NPPES record lists a practice address at 276 International Cir, San Jose, CA, 95119. Phone: (408) 972-6202. Providers update this record themselves, so call before visiting.
How can I verify Celia Mercado, M.D.'s license?
NPPES lists California license number A91556, 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 Celia Mercado, M.D. prescribe under Medicare Part D?
In 2024, Celia Mercado, M.D. had 188 Medicare Part D claims for 90 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.