Olivia Mayer, RD
Registered Dietitian · Palo Alto, CA
Olivia Mayer, RD is a registered dietitian with a practice address in Palo Alto, California, and NPI 1811594344, issued on Oct 7, 2020. Check the license (California 871500, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Olivia Mayer
- Credential
- RD
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 871500 CA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Welch RD Ste 214, Palo Alto, CA 94304
- Phone
- (650) 281-7681
- Enumerated
- Oct 7, 2020
- Entity
- Type 1 · individual
Also registered at 750 Welch RD Ste 214
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Madeline Cole, RDNRegistered Dietitian1083309173
- Jocelyn Fry, RD, CSPPediatric Nutrition Registered Dietitian1952999823
- Cindy Loaiza, RD/RDNRegistered Dietitian1609471077
- David Martinez, RD, BSRegistered Dietitian1780307710
Verify Olivia Mayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 871500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
120 registered dietitian records list a practice address in Palo Alto
They are 120 of the 7,617 NPPES records with a practice address in Palo Alto, and 7,148 registered dietitian records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 120 in Palo Alto → All 7,148 in California → Every provider in Palo Alto →
Other registered dietitian records in California
- Nazanin Abbaspour, PHD, RDN, IFNCPSan Diego, CA1871180695
- Michelle AbbeySan Diego, CA1932692878
- Emily AbbottTorrance, CA1477064871
- Fatima Azzahra Abdelhafeez, RDAnaheim, CA1356003727
- Sulaima Abdin-ArafehPomona, CA1366980765
- Tamara Abdul Hadi, MSLos Angeles, CA1669356754
- Anita Abdul-KarimPasadena, CA1619365970
- Ruqaya AbdulkhaliqLong Beach, CA1447124037
- Ran Abe, R.D.Long Beach, CA1093186173
- Allison Abel, RDN, CNSCLos Angeles, CA1346664414
Common questions
What is Olivia Mayer, RD's NPI number?
Olivia Mayer, RD's National Provider Identifier (NPI) is 1811594344, issued on Oct 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Mayer, RD located?
The NPPES record lists a practice address at 750 Welch RD Ste 214, Palo Alto, CA, 94304. Phone: (650) 281-7681. Providers update this record themselves, so call before visiting.
How can I verify Olivia Mayer, RD's license?
NPPES lists California license number 871500, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.