Rei Tosu, M.D.
Pediatrics Physician · Los Alamitos, CA
Rei Tosu, M.D. is a pediatrics physician with a practice address in Los Alamitos, California, and NPI 1285730440, issued on Sep 15, 2006. Check the license (California A74391, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Rei Tosu
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A74391 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10861 Cherry St Ste 305, Los Alamitos, CA 90720
- Phone
- (562) 598-4848
- Enumerated
- Sep 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 598-5949
- Entity
- Type 1 · individual
Also registered at 10861 Cherry St Ste 305
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Bennett, C.P.N.P.Pediatric Nurse Practitioner1265616015
- Vivi Tran, D.O.Pediatrics Physician1578918355
- Jeff Yu, M.D.Pediatrics Physician1508228339
Verify Rei Tosu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pediatrics Physician providers in California
There are 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pediatrics physician records in California
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- Gregorio Abad-Santos, M.D.Long Beach, CA1255451894
- Michelle Abajian, MDLa Canada, CA1619176757
- Joseph Abapo, MDRiverside, CA1841348786
- Zvart Abaryan, MDLos Angeles, CA1154940849
- Lauren Abbas, MDLos Angeles, CA1982163796
- Attia Abbasi, M.D.Auburn, CA1922027127
- Denise AbbasiParadise, CA1770062341
- Alexandra Abbott, MDPalo Alto, CA1760018675
Common questions
What is Rei Tosu, M.D.'s NPI number?
Rei Tosu, M.D.'s National Provider Identifier (NPI) is 1285730440, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rei Tosu, M.D. located?
The NPPES record lists a practice address at 10861 Cherry St Ste 305, Los Alamitos, CA, 90720. Phone: (562) 598-4848. Providers update this record themselves, so call before visiting.
How can I verify Rei Tosu, M.D.'s license?
NPPES lists California license number A74391, 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.