NPPES file of Aug 9, 2026

Matthew Siri, D.O

Pediatric Emergency Medicine (Pediatrics) Physician · Fremont, CA

Matthew Siri, D.O is a pediatric emergency medicine (pediatrics) physician with a practice address in Fremont, California, and NPI 1801282264, issued on Apr 13, 2015. Check the license (California 20A16359, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801282264
Name
Matthew Siri
Credential
D.O
Primary taxonomy
Pediatric Emergency Medicine (Pediatrics) Physician 2080P0204X
License number
20A16359 CA
Self-reported in NPPES; status is on the state search
Practice location
3200 Kearney St, Fremont, CA 94538
Phone
(510) 490-1222
Enumerated
Apr 13, 2015
Record last updated
Mar 18, 2022
Medicare enrollment
Enrolled (PECOS I20190220002058); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pediatric emergency medicine (pediatrics) physician records → All 177 in California → Look up another NPI →

Also registered at 3200 Kearney St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jia Afnan, PAPhysician Assistant1376763698
  2. Jessica Aldaz, FNPFamily Nurse Practitioner1740467174
  3. Neha AnandFamily Medicine Physician1477810836
  4. Lauren Auerbach, MDEmergency Medicine Physician1033678990
  5. Ritika Aulakh, D.OFamily Medicine Physician1346335072
  6. Rupal Badani, M.D.Pediatrics Physician1598857765

Verify Matthew Siri in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A16359    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Sutter Bay Medical FoundationPalo Alto, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Matthew Siri among 177 pediatric emergency medicine (pediatrics) physician records in California

Matthew Siri, D.O is one of 177 pediatric emergency medicine (pediatrics) physician records with a practice address in California. 29% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 79% of them.

  • NPI issued2015 · 79% of these records are older, 16% newer
  • In a Medicare fileYes · 29% of these records are
  • In the CMS Doctors and Clinicians fileYes · 18% of these records are
  • Graduated2018 · median 2005 among the 32 with a school on file
  • Record last updated2022 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Emergency Medicine (Pediatrics) Physician providers in California

There are 177 pediatric emergency medicine (pediatrics) physician records in California.

All 177 in California → Every provider in Fremont → Pediatric Emergency Medicine (Pediatrics) Physician nationwide →

The 8 pediatric emergency medicine (pediatrics) physician records with the nearest ZIP codes

  1. Alamelu NatesanFremont, CA 945381730611930
  2. Dipal SavlaFremont, CA 945381396279964
  3. Laura Whitten, M.D.Plesant Hill, CA 945231477572048
  4. Vanessa WongDublin, CA 945681134650005
  5. Sarah Rusch, M.DWalnut Creek, CA 945971912261611
  6. Kenshata Watkins, MDWalnut Creek, CA 945971245573393
  7. Christine Cho, M.D., M.P.H.Oakland, CA 946091932121951
  8. Lisa Hart, M.D.Oakland, CA 946091447273248

Common questions

What is Matthew Siri, D.O's NPI number?

Matthew Siri, D.O's National Provider Identifier (NPI) is 1801282264, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Siri, D.O located?

The NPPES record lists a practice address at 3200 Kearney St, Fremont, CA, 94538. Phone: (510) 490-1222. Providers update this record themselves, so call before visiting.

How can I verify Matthew Siri, D.O's license?

NPPES lists California license number 20A16359, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.