NPPES file of Aug 9, 2026

Marianne G. Davis, PHD

Clinical Psychologist · San Luis Obispo, CA

Marianne G. Davis, PHD is a clinical psychologist with a practice address in San Luis Obispo, California, and NPI 1700530102, issued on Feb 5, 2022. Check the license (California PSY19061, 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
1700530102
Name
Marianne G. Davis
Credential
PHD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY19061 CA
Self-reported in NPPES; status is on the state search
Practice location
676 Pismo St, San Luis Obispo, CA 93401
Phone
(805) 543-7969
Enumerated
Feb 5, 2022
Record last updated
Feb 5, 2022
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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8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 676 Pismo St

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

  1. Milissa Anderson, AMFTMarriage & Family Therapist1013886407
  2. Sarah Barnard-Moreland, PSYDPsychologist1790377851
  3. Belinda Benassi, AMFTMarriage & Family Therapist1093577629
  4. Kate BermanMarriage & Family Therapist1528934262
  5. Maria Castellano-Hsia, ALMFTMarriage & Family Therapist1285298125
  6. Michele ConnorsProfessional Counselor1225908437

Verify Marianne G. 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 PSY19061    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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Marianne G. Davis among 12,647 clinical psychologist records in California

Marianne G. Davis, PHD 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 2022, is newer than 93% of them.

  • NPI issued2022 · 93% of these records are older, 5% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2022 · 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).

77 clinical psychologist records list a practice address in San Luis Obispo

They are 77 of the 3,403 NPPES records with a practice address in San Luis Obispo, and 12,647 clinical psychologist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 clinical psychologist records with the nearest ZIP codes

  1. Ruth Cherry, PHDSan Luis Obispo, CA 934011770568958
  2. Kellie Condon, PHDSan Luis Obispo, CA 934011700817202
  3. Sandra Deal, PH.D.San Luis Obispo, CA 934011548360159
  4. Sari Dworkin, PH.D.San Luis Obispo, CA 934011114084803
  5. Jeffrey Elliott, PSYDSan Luis Obispo, CA 934011114919263
  6. Cathy Galavotti, PSY.D.San Luis Obispo, CA 934011184675589
  7. Teresa George, PHDSan Luis Obispo, CA 934011619929445
  8. Kenneth Germanow, PH.D.San Luis Obispo, CA 934011922146497

Common questions

What is Marianne G. Davis, PHD's NPI number?

Marianne G. Davis, PHD's National Provider Identifier (NPI) is 1700530102, issued on Feb 5, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Marianne G. Davis, PHD located?

The NPPES record lists a practice address at 676 Pismo St, San Luis Obispo, CA, 93401. Phone: (805) 543-7969. Providers update this record themselves, so call before visiting.

How can I verify Marianne G. Davis, PHD's license?

NPPES lists California license number PSY19061, 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.

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.