NPPES file of Aug 9, 2026

Shelby Karoline Smith, PSY.D.

Addiction (Substance Use Disorder) Psychologist · Walnut Creek, CA

Shelby Karoline Smith, PSY.D. is an addiction (substance use disorder) psychologist with a practice address in Walnut Creek, California, and NPI 1225581804, issued on Jul 29, 2016. Check the license (California 27912, 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
1225581804
Name
Shelby Karoline Smith
Credential
PSY.D.
Primary taxonomy
Addiction (Substance Use Disorder) Psychologist 103TA0400X
License number
27912 CA
Self-reported in NPPES; status is on the state search
Practice location
710 S Broadway Ste 300, Walnut Creek, CA 94596
Phone
(925) 295-2960
Enumerated
Jul 29, 2016
Record last updated
Feb 11, 2022
Medicare enrollment
Enrolled (PECOS I20161006002355); 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 addiction (substance use disorder) psychologist records → All 103 in California → Look up another NPI →

Also registered at 710 S Broadway Ste 300

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

  1. Kelly Bush, PSY.D.Psychologist1649321191
  2. Catherine Dionisio, PH.D.Clinical Psychologist1730365248
  3. Stephanie Gade, PHDPsychologist1871124222
  4. Anne Rachel Guijo, N.P.Family Nurse Practitioner1659898484
  5. Matthew HaynesClinical Social Worker1225308711
  6. Meredith Porter, PSYDPsychologist1598077463

Verify Shelby Karoline Smith 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 27912    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. Permanente Medical Group IncRichmond, CA

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

Shelby Karoline Smith among 103 addiction (substance use disorder) psychologist records in California

Shelby Karoline Smith, PSY.D. is one of 103 addiction (substance use disorder) psychologist records with a practice address in California. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 63% of them.

  • NPI issued2016 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 5% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Record last updated2022 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TA0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction (Substance Use Disorder) Psychologist providers in California

There are 103 addiction (substance use disorder) psychologist records in California.

All 103 in California → Every provider in Walnut Creek → Addiction (Substance Use Disorder) Psychologist nationwide →

The 8 addiction (substance use disorder) psychologist records with the nearest ZIP codes

  1. Natasha Choudri, PSYDWalnut Creek, CA 945961841691805
  2. Margot Green, PH.D.Walnut Creek, CA 945961205993029
  3. Catharine Kibira, PH.D.Walnut Creek, CA 945961083781439
  4. Carl OddoWalnut Creek, CA 945961154472611
  5. Ann Schiebert, PSYDWalnut Creek, CA 945961508073792
  6. Miriam Walter, PSYDWalnut Creek, CA 945961700375599
  7. Claudia Wathen, PSY.DWalnut Creek, CA 945961497802524
  8. Corinne GuerreroOakland, CA 946011881293199

Common questions

What is Shelby Karoline Smith, PSY.D.'s NPI number?

Shelby Karoline Smith, PSY.D.'s National Provider Identifier (NPI) is 1225581804, issued on Jul 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Shelby Karoline Smith, PSY.D. located?

The NPPES record lists a practice address at 710 S Broadway Ste 300, Walnut Creek, CA, 94596. Phone: (925) 295-2960. Providers update this record themselves, so call before visiting.

How can I verify Shelby Karoline Smith, PSY.D.'s license?

NPPES lists California license number 27912, 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.