NPPES file of Aug 9, 2026

Jennifer Blum, PSYD

Clinical Psychologist · Walnut Creek, CA

Jennifer Blum, PSYD is a clinical psychologist with a practice address in Walnut Creek, California, and NPI 1366820474, issued on May 8, 2015. Check the license (California PSY27164, 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
1366820474
Name
Jennifer Blum
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PSY27164 CA
Self-reported in NPPES; status is on the state search
Practice location
2970 Camino Diablo Ste 300, Walnut Creek, CA 94597
Phone
(925) 282-1778
Enumerated
May 8, 2015
Record last updated
Mar 31, 2025
Fax
(415) 296-5299
Medicare enrollment
Enrolled (PECOS I20151230002702); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →

Also registered at 2970 Camino Diablo Ste 300

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

  1. Cindy Bolter, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1245459544
  2. Andrea Brackett, PMHNPPsychiatric/Mental Health Nurse Practitioner1457802068
  3. Maria Emma Castro Lacouture, M.D.Psychiatry Physician1043469687
  4. Keren Dietz Roberts, PMHNPPsychiatric/Mental Health Nurse Practitioner1487319786
  5. Deborah Sue Duell-Stephens, LMFTMarriage & Family Therapist1609166750
  6. William Fox, LCSWClinical Social Worker1083893143

Verify Jennifer Blum 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 PSY27164    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Pacific Coast Psychiatric Associates IncWalnut Creek, CA

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

Jennifer Blum among 12,647 clinical psychologist records in California

Jennifer Blum, PSYD 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 2015, is newer than 74% of them.

  • NPI issued2015 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 9% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated2011 · median 2006 among the 2,424 with a school on file
  • Record last updated2025 · 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).

96 clinical psychologist records list a practice address in Walnut Creek

They are 96 of the 6,170 NPPES records with a practice address in Walnut Creek, and 12,647 clinical psychologist records in California.

All 12,647 in California → Every provider in Walnut Creek → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Spencer Crooks, PSYDWalnut Creek, CA 945971457834301
  2. Danielle Dollinger, PSYDWalnut Creek, CA 945971427678127
  3. Karyn Goldberg-Boltz, PH.D.Walnut Creek, CA 945971447385117
  4. Alicia Grefenson, PSYD, LPWalnut Creek, CA 945971073707451
  5. Nicole Hermann-Metzger, PSYD, LPWalnut Creek, CA 945971942353578
  6. Katherine Hughes, PH.D.Walnut Creek, CA 945971548302409
  7. Joseph Koudsi, PSY.D.Walnut Creek, CA 945971649557232
  8. Barton Lynch, PSY.D.Walnut Creek, CA 945971518077478

Common questions

What is Jennifer Blum, PSYD's NPI number?

Jennifer Blum, PSYD's National Provider Identifier (NPI) is 1366820474, issued on May 8, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Blum, PSYD located?

The NPPES record lists a practice address at 2970 Camino Diablo Ste 300, Walnut Creek, CA, 94597. Phone: (925) 282-1778. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Blum, PSYD's license?

NPPES lists California license number PSY27164, 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.