NPPES file of Aug 9, 2026

Elizabeth Ramquist, PH.D.

Clinical Psychologist · Newhall, CA

Elizabeth Ramquist, PH.D. is a clinical psychologist with a practice address in Newhall, California, and NPI 1225230899, issued on Jun 5, 2007. Check the license (California 28252, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1225230899
Name
Elizabeth Ramquist
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
28252 CA
20043406A IN
Self-reported in NPPES; status is on the state search
Practice location
25050 Peachland Ave, Newhall, CA 91321
Phone
(661) 505-8414
Enumerated
Jun 5, 2007
Record last updated
Jul 11, 2016 (not updated in 10 years: call before relying on the address or phone)
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 25050 Peachland Ave

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

  1. Sandra DominguezAddiction (Substance Use Disorder) Counselor1366525297
  2. Jennifer Heitkamp, M.D.Psychiatry Physician1467548131
  3. Stanley Henderson, D.C.Chiropractor1811924905
  4. Ruth MarksRegistered Nurse1720162647
  5. Diane MatthewClinical Social Worker1528154291
  6. Lise Ruiz, LCSWClinical Social Worker1154417822

Verify Elizabeth Ramquist in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 28252
    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
Find the California license search

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Elizabeth Ramquist among 12,647 clinical psychologist records in California

Elizabeth Ramquist, PH.D. is one of 12,647 clinical psychologist records with a practice address in California. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 20% of them.

  • NPI issued2007 · 20% of these records are older, 57% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2016 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 clinical psychologist records list a practice address in Newhall

They are 9 of the 369 NPPES records with a practice address in Newhall, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Arnold Blumenfeld, PHDSanta Clarita, CA 913211396752093
  2. Donald Cowell, PH.D.Newhall, CA 913211417004474
  3. Julie Criss-Hagerty, PH.D.Newhall, CA 913211588753313
  4. Nancy Dunbar, PH.D.Newhall, CA 913211881833556
  5. Debra Flood, PH.D.Santa Clarita, CA 913211093878993
  6. Shadab Jannatipour, PSY.D.Newhall, CA 913211801911151
  7. Bonnie Mahler, PH.D.Santa Clarita, CA 913211427134188
  8. Sabrina MeekSanta Clarita, CA 913211952675688

Common questions

What is Elizabeth Ramquist, PH.D.'s NPI number?

Elizabeth Ramquist, PH.D.'s National Provider Identifier (NPI) is 1225230899, issued on Jun 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Ramquist, PH.D. located?

The NPPES record lists a practice address at 25050 Peachland Ave, Newhall, CA, 91321. Phone: (661) 505-8414. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Ramquist, PH.D.'s license?

NPPES lists California license number 28252, 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), 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.