Mamata Sivagnanam, MD
Pediatric Gastroenterology Physician · San Diego, CA
Mamata Sivagnanam, MD is a pediatric gastroenterology physician with a practice address in San Diego, California, and NPI 1932328747, issued on Apr 24, 2007. Check the license (California A86863, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mamata Sivagnanam
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- A86863 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8110 Birmingham Way, San Diego, CA 92123
- Phone
- (858) 966-4003
- Enumerated
- Apr 24, 2007
- Record last updated
- Nov 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (858) 560-6798
- Medicare enrollment
- Enrolled (PECOS I20140620002172); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 264 in California → Look up another NPI →
Also registered at 8110 Birmingham Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seema Aceves, M.D., PH.D.Allergy & Immunology Physician1366511628
- Kathryn Akong, MD, PHDPediatric Pulmonology Physician1912169061
- Mercedes Amado, M.D.Allergy & Immunology Physician1477510287
- Angela Barney, MDPediatric Adolescent Medicine Physician1477948115
- John Bastian, M.D.Allergy & Immunology Physician1316018179
- Rakesh Bhattacharjee, M.D.Pediatric Pulmonology Physician1588781173
Verify Mamata Sivagnanam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A86863Check 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
- Rady Children's Hospital San DiegoSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mamata Sivagnanam among 264 pediatric gastroenterology physician records in California
Mamata Sivagnanam, MD is one of 264 pediatric gastroenterology physician records with a practice address in California. 62% 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 37% of them.
- NPI issued2007 · 37% of these records are older, 52% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2000 · median 2007 among the 78 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in California
There are 264 pediatric gastroenterology physician records in California.
All 264 in California → Every provider in San Diego → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Lynelle Boamah, MDSan Diego, CA 921231144437328
- Ranjan Dohil, M.D.San Diego, CA 921231396816146
- Ariel Feldstein, MDSan Diego, CA 921231174587281
- Xenia Hom, M.D.San Diego, CA 921231982775748
- Jeannie Huang, M.D.San Diego, CA 921231013088871
- Koorosh Kooros, M.D.San Diego, CA 921231356372924
- Joel Lavine, M.D., PH.D.San Diego, CA 921231023189875
- Hayat Mousa, MDSan Diego, CA 921231821083338
Common questions
What is Mamata Sivagnanam, MD's NPI number?
Mamata Sivagnanam, MD's National Provider Identifier (NPI) is 1932328747, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mamata Sivagnanam, MD located?
The NPPES record lists a practice address at 8110 Birmingham Way, San Diego, CA, 92123. Phone: (858) 966-4003. Providers update this record themselves, so call before visiting.
How can I verify Mamata Sivagnanam, MD's license?
NPPES lists California license number A86863, 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.