Diana Marithe Guerra
Nutritionist · San Mateo, CA
Diana Marithe Guerra is a nutritionist with a practice address in San Mateo, California, and NPI 1255283685, issued on Feb 10, 2026. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diana Marithe Guerra
- Primary taxonomy
- Nutritionist 133N00000X
- Practice location
- 3050 S Delaware St Ste 130, San Mateo, CA 94403
- Phone
- (650) 319-8654
- Enumerated
- Feb 10, 2026
- Record last updated
- Feb 10, 2026
- Entity
- Type 1 · individual
Also registered at 3050 S Delaware St Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lamia Eap, FNPFamily Nurse Practitioner1932688074
- Darlene FennerClinical Exercise Physiologist1013695261
Verify Diana Marithe Guerra in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nutritionist providers in California
There are 464 nutritionist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other nutritionist records in California
- Amanda Abraham, M.S., CHNBerkeley, CA1669267340
- Lucy Adams, M.S., C.N.S.Lafayette, CA1750704227
- Patricia Adams, BCHNScotts Valley, CA1205595121
- Evette Aidinian, MS, CNS, LDNTujunga, CA1750091864
- Rick Ajootian, PH.D.Bakersfield, CA1114052263
- Elizabeth AkbiyikianFresno, CA1053020917
- Ligia Aker, CNSSan Mateo, CA1467394601
- Bernadine AlanizEncino, CA1740910165
- Lisa Alden, CN, CD, MFASan Francisco, CA1972114338
- Carlos Alessandrini, NUTRITIONISTSan Diego, CA1093268021
Common questions
What is Diana Marithe Guerra's NPI number?
Diana Marithe Guerra's National Provider Identifier (NPI) is 1255283685, issued on Feb 10, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Diana Marithe Guerra located?
The NPPES record lists a practice address at 3050 S Delaware St Ste 130, San Mateo, CA, 94403. Phone: (650) 319-8654. Providers update this record themselves, so call before visiting.
How can I verify Diana Marithe Guerra's license?
Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.