Gisela Marrero Rivera
Clinical Pathology Physician · San Francisco, CA
Gisela Marrero Rivera is a clinical pathology physician with a practice address in San Francisco, California, and NPI 1851707558, issued on Jul 2, 2014. Check the license (California A172593, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gisela Marrero Rivera
- Primary taxonomy
- Clinical Pathology Physician 207ZC0006X
- License number
- A172593 CA
Self-reported in NPPES; status is on the state search - Practice location
- 185 Berry St Ste 290, San Francisco, CA 94107
- Phone
- (415) 353-1667
- Enumerated
- Jul 2, 2014
- Record last updated
- Mar 27, 2025
- Fax
- (415) 353-1106
- Medicare enrollment
- Enrolled (PECOS I20250325002886); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical pathology physician records → All 43 in California → Look up another NPI →
Also registered at 185 Berry St Ste 290
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Brown, M.D.Anatomic Pathology & Clinical Pathology Physician1235523515
- Alexander Craig, MD, MPHILClinical & Laboratory Immunology (Allergy & Immunology) Physician1295311793
- Parnaz DaneshpajouhnejadHematology (Pathology) Physician1629697149
- Nikka Khorsandi, MD, MPHClinical Pathology/Laboratory Medicine Physician1134794928
- Steven Miller, MD, PHDClinical Pathology/Laboratory Medicine Physician1710909940
- Nandan Padmanabha, M.B.B.SClinical Pathology/Laboratory Medicine Physician1811570757
Verify Gisela Marrero Rivera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A172593Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University OF California San FranciscoSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gisela Marrero Rivera among 43 clinical pathology physician records in California
Gisela Marrero Rivera is one of 43 clinical pathology physician records with a practice address in California. 37% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 44% of them.
- NPI issued2014 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 37% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2014 · median 2014 among the 14 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZC0006X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Pathology Physician providers in California
There are 43 clinical pathology physician records in California.
All 43 in California → Every provider in San Francisco → Clinical Pathology Physician nationwide →
The 8 clinical pathology physician records with the nearest ZIP codes
- Edward Sittler, MDSan Francisco, CA 941071043531056
- Arun Wiita, M.D., PH.D.San Francisco, CA 941071760718944
- Tara Saunders, M.D.San Francisco, CA 941431942536123
- Steven Baker, M.D. PH.D.Stanford, CA 943051447660154
- Maya Kasowski, MDStanford, CA 943051730533803
- Muthukumar Ramanathan, MDStanford, CA 943051336769058
- Jack Tung, MDStanford, CA 943051346726254
- Wayne Garrett, DOHercules, CA 945471528111598
Common questions
What is Gisela Marrero Rivera's NPI number?
Gisela Marrero Rivera's National Provider Identifier (NPI) is 1851707558, issued on Jul 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gisela Marrero Rivera located?
The NPPES record lists a practice address at 185 Berry St Ste 290, San Francisco, CA, 94107. Phone: (415) 353-1667. Providers update this record themselves, so call before visiting.
How can I verify Gisela Marrero Rivera's license?
NPPES lists California license number A172593, 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. 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.