Lynn C. Siegel, PSY.D.
Clinical Psychologist · Calabasas, CA
Lynn C. Siegel, PSY.D. is a clinical psychologist with a practice address in Calabasas, California, and NPI 1063507713, issued on Oct 4, 2006. Check the license (California PSY 15371, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lynn C. Siegel
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License numbers
- PSY 15371 CA
071.004866 IL
Self-reported in NPPES; status is on the state search - Practice location
- 22231 Mulholland Hwy Ste 106, Calabasas, CA 91302
- Phone
- (818) 222-9300
- Enumerated
- Oct 4, 2006
- Record last updated
- Oct 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121113000772); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 12,647 in California → Look up another NPI →
Also registered at 22231 Mulholland Hwy Ste 106
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mitra Brown, DOCTORMental Health Counselor1053881128
- Lisa Brunelle, PH.D.Clinical Psychologist1841724234
- Haleh Malek, PSYDPsychologist1740766260
- Annie McNeill, PSYDStudent in an Organized Health Care Education/Training Program1235686924
- Charlene Parker, RN, NP-BCNurse Practitioner1427387877
- Melodie Schaefer, PSY. D.Psychologist1114084837
Verify Lynn C. Siegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY 15371Check 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
- Act-Associates IN Clinical Therapy, A Psychological CorporationCalabasas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynn C. Siegel among 12,647 clinical psychologist records in California
Lynn C. Siegel, PSY.D. 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 80% newer
- In a Medicare fileYes · 9% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1992 · median 2006 among the 2,424 with a school on file
- Record last updated2020 · 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).
37 clinical psychologist records list a practice address in Calabasas
They are 37 of the 786 NPPES records with a practice address in Calabasas, and 12,647 clinical psychologist records in California.
All 12,647 in California → Every provider in Calabasas → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Candace Bivona, PHDCalabasas, CA 913021396862504
- Audrey Boggs, PSY.D.Calabasas, CA 913021932235256
- Allison Carter, PSY.D.Calabasas, CA 913021902012891
- Anat Cohen, PH.D.Calabasas, CA 913021639387483
- Zena Darwish, PSY.D.Calabasas, CA 913021851434773
- Deborah Dreyfuss, PHDCalabasas, CA 913021619987153
- Linka Griswold, LMFT, PSY.D.Calabasas, CA 913021558496406
- Tiana Mondaca, PSY.D.Calabasas, CA 913021063555746
Common questions
What is Lynn C. Siegel, PSY.D.'s NPI number?
Lynn C. Siegel, PSY.D.'s National Provider Identifier (NPI) is 1063507713, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lynn C. Siegel, PSY.D. located?
The NPPES record lists a practice address at 22231 Mulholland Hwy Ste 106, Calabasas, CA, 91302. Phone: (818) 222-9300. Providers update this record themselves, so call before visiting.
How can I verify Lynn C. Siegel, PSY.D.'s license?
NPPES lists California license number PSY 15371, 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.