Registry data as of Aug 27, 2026

Claire Cassianni

Student in an Organized Health Care Education/Training Program · Palo Alto, CA

Claire Cassianni is a student in an organized health care education/training program with a practice address in Palo Alto, California, and NPI 1538957063, issued on Apr 25, 2025. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1538957063
Name
Claire Cassianni
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
900 Welch RD Ste 350, Palo Alto, CA 94304
Phone
(650) 723-6576
Enumerated
Apr 25, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 900 Welch RD Ste 350

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

  1. Areeba Abid, MDStudent in an Organized Health Care Education/Training Program1982363941
  2. Dalton BrunsonStudent in an Organized Health Care Education/Training Program1730977281
  3. Brenda Castolo, AGACNP-BCNurse Practitioner1083195408
  4. Peter Davis-Allen, MDEmergency Medicine Physician1043839657
  5. Ursula Dean, BSN, RN, MSN, NPFamily Nurse Practitioner1063813350
  6. Nimit Desai, MDStudent in an Organized Health Care Education/Training Program1528903895

Verify Claire Cassianni in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

655 student in an organized health care education/training program records list a practice address in Palo Alto

They are 655 of the 7,617 NPPES records with a practice address in Palo Alto, and 40,652 student in an organized health care education/training program records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other student in an organized health care education/training program records in California

  1. Sanad A'BasiFresno, CA1720915770
  2. Alexander Aabedi, MDSan Francisco, CA1245971480
  3. Andre AabediPomona, CA1891582102
  4. Natalie Aabodi, DMDPomona, CA1851085187
  5. Dalal Aago, MDEl Cajon, CA1639863103
  6. Megan Aaronson, MD, MSCRLos Angeles, CA1386272102
  7. Manas AavulaPomona, CA1972496644
  8. Joann AbadTulare, CA1639745433
  9. Gioux Ian Abad Mangulabnan, THERAPISTBerkeley, CA1710442702
  10. Sharon AbadaSan Francisco, CA1003492844

Common questions

What is Claire Cassianni's NPI number?

Claire Cassianni's National Provider Identifier (NPI) is 1538957063, issued on Apr 25, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Claire Cassianni located?

The NPPES record lists a practice address at 900 Welch RD Ste 350, Palo Alto, CA, 94304. Phone: (650) 723-6576. Providers update this record themselves, so call before visiting.

How can I verify Claire Cassianni'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), 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.