Stephanie M. Holthaus, PH.D.
Clinical Psychologist · Solvang, CA
Stephanie M. Holthaus, PH.D. is a clinical psychologist with a practice address in Solvang, California, and NPI 1255543872, issued on May 4, 2007. Check the license (California PSY21589, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephanie M. Holthaus
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY21589 CA
Self-reported in NPPES; status is on the state search - Practice location
- 540 Alisal RD, Solvang, CA 93463
- Phone
- (805) 245-2916
- Enumerated
- May 4, 2007
- Record last updated
- Sep 20, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080513000573); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 540 Alisal RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jean Clemens, PH.D.Clinical Psychologist1518985662
Verify Stephanie M. Holthaus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY21589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Santa Ynez Band OF Mission IndiansSanta Ynez, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 clinical psychologist records list a practice address in Solvang
They are 5 of the 155 NPPES records with a practice address in Solvang, and 12,647 clinical psychologist records in California.
All 5 in Solvang → All 12,647 in California → Every provider in Solvang →
Other clinical psychologist records in California
- Tanya Aaen, PH.D.Martinez, CA1477518561
- Jack Aamot, PSY.D.Napa, CA1770711210
- Brian Abary, PSY.DLos Angeles, CA1538354832
- Tatevik Abaryan, PH.D.Pacoima, CA1952682619
- Liana Abascal, PH.D.San Diego, CA1073740569
- Jessica Abdalla, PHDWalnut Creek, CA1558069211
- Mohamed Abdallah, PSY.DEl Centro, CA1912430851
- Megan Abdolrashidi, PSYDGilroy, CA1093293094
- Keri Abdullah, PH.D.San Diego, CA1699840587
- Qutayba Abdullatif, PH.D.Pasadena, CA1134667751
Common questions
What is Stephanie M. Holthaus, PH.D.'s NPI number?
Stephanie M. Holthaus, PH.D.'s National Provider Identifier (NPI) is 1255543872, issued on May 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie M. Holthaus, PH.D. located?
The NPPES record lists a practice address at 540 Alisal RD, Solvang, CA, 93463. Phone: (805) 245-2916. Providers update this record themselves, so call before visiting.
How can I verify Stephanie M. Holthaus, PH.D.'s license?
NPPES lists California license number PSY21589, 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.
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.