Katherine J. Schwimmer
Clinical Psychologist · Sebastopol, CA
Katherine J. Schwimmer is a clinical psychologist with a practice address in Sebastopol, California, and NPI 1578843801, issued on Aug 17, 2011. Check the license (California 27985, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine J. Schwimmer
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 27985 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11250 Barnett Valley RD, Sebastopol, CA 95472
- Phone
- (707) 695-8909
- Enumerated
- Aug 17, 2011
- Record last updated
- Sep 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20160526000848); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 11250 Barnett Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Schwimmer, PHDClinical Psychologist1053681361
Verify Katherine J. Schwimmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 27985Check 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
- Permanente Medical Group IncPetaluma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
23 clinical psychologist records list a practice address in Sebastopol
They are 23 of the 550 NPPES records with a practice address in Sebastopol, and 12,647 clinical psychologist records in California.
All 23 in Sebastopol → All 12,647 in California → Every provider in Sebastopol →
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 Katherine J. Schwimmer's NPI number?
Katherine J. Schwimmer's National Provider Identifier (NPI) is 1578843801, issued on Aug 17, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Katherine J. Schwimmer located?
The NPPES record lists a practice address at 11250 Barnett Valley RD, Sebastopol, CA, 95472. Phone: (707) 695-8909. Providers update this record themselves, so call before visiting.
How can I verify Katherine J. Schwimmer's license?
NPPES lists California license number 27985, 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.