NPPES file of Aug 9, 2026

Kathryn Marie Davis, PSY.D.

Clinical Psychologist · San Bernardino, CA

Kathryn Marie Davis, PSY.D. is a clinical psychologist with a practice address in San Bernardino, California, and NPI 1598997678, issued on Aug 21, 2009. Check the license (California PSY25988, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1598997678
Name
Kathryn Marie Davis
Credential
PSY.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY25988 CA
Self-reported in NPPES; status is on the state search
Practice location
250 S G St, San Bernardino, CA 92410
Phone
(909) 382-7100
Enumerated
Aug 21, 2009
Record last updated
Jan 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150630003138); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 250 S G St

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

  1. David Ahamba, M.D.Family Medicine Physician1669885885
  2. Alan Akita, DNP, FNP-BCFamily Nurse Practitioner1245926849
  3. Bradley Anderson, MAPsychologist1629759246
  4. Viclouis ArreolaStudent in an Organized Health Care Education/Training Program1275226276
  5. Alexa BirchStudent in an Organized Health Care Education/Training Program1629750997
  6. Rian Blackwood, DOFamily Medicine Physician1093456915

Verify Kathryn Marie Davis 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 PSY25988    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Sac Health SystemSan Bernardino, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kathryn Marie Davis among 12,647 clinical psychologist records in California

Kathryn Marie Davis, PSY.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. Its NPI, issued in 2009, is newer than 49% of them.

  • NPI issued2009 · 49% of these records are older, 46% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2012 · median 2006 among the 2,424 with a school on file
  • Record last updated2018 · 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).

Clinical Psychologist providers in California

There are 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in San Bernardino → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Elizabeth Park, PSY.D.San Bernardino, CA 924101760515886
  2. Alissa CharvoniaSan Bernardino, CA 924081235635020
  3. Daniel Eppler, PH.D.San Bernardino, CA 924081447391032
  4. Joan Francis, PH.D.San Bernardino, CA 924081366466518
  5. Heidi Knipe Laird, PHDSan Bernardino, CA 924081659430577
  6. Grayson Lewis, PSY.D.San Bernardino, CA 924081790160182
  7. Julie Rathbun, PH.D.San Bernardino, CA 924081184040222
  8. Angela Ronan, PH.D.San Bernardino, CA 924081265854665

Common questions

What is Kathryn Marie Davis, PSY.D.'s NPI number?

Kathryn Marie Davis, PSY.D.'s National Provider Identifier (NPI) is 1598997678, issued on Aug 21, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Marie Davis, PSY.D. located?

The NPPES record lists a practice address at 250 S G St, San Bernardino, CA, 92410. Phone: (909) 382-7100. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Marie Davis, PSY.D.'s license?

NPPES lists California license number PSY25988, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.