Seda Terzyan, PHD
Clinical Psychologist · Corona Del Mar, CA
Seda Terzyan, PHD is a clinical psychologist with a practice address in Corona Del Mar, California, and NPI 1114464328, issued on Jan 25, 2017. Check the license (California PSY29251, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Seda Terzyan
- Credential
- PHD
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- PSY29251 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1550 Bayside Dr Ste 2, Corona Del Mar, CA 92625
- Phone
- (949) 783-9590
- Enumerated
- Jan 25, 2017
- Record last updated
- Jan 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180711003007); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1550 Bayside Dr Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ariel Eckfeld, PH.D.Clinical Neuropsychologist1033545801
Verify Seda Terzyan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PSY29251Check 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
- Seda Terzyan, A Psychological CorporationCorona Del Mar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 clinical psychologist records list a practice address in Corona Del Mar
They are 4 of the 139 NPPES records with a practice address in Corona Del Mar, and 12,647 clinical psychologist records in California.
All 4 in Corona Del Mar → All 12,647 in California → Every provider in Corona Del Mar →
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 Seda Terzyan, PHD's NPI number?
Seda Terzyan, PHD's National Provider Identifier (NPI) is 1114464328, issued on Jan 25, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Seda Terzyan, PHD located?
The NPPES record lists a practice address at 1550 Bayside Dr Ste 2, Corona Del Mar, CA, 92625. Phone: (949) 783-9590. Providers update this record themselves, so call before visiting.
How can I verify Seda Terzyan, PHD's license?
NPPES lists California license number PSY29251, 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.