Nesibe Oya Soysal, M.D.
Psychiatry Physician · Santa Cruz, CA
Nesibe Oya Soysal, M.D. is a psychiatry physician with a practice address in Santa Cruz, California, and NPI 1558513309, issued on Oct 10, 2008. Check the license (California A135691, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nesibe Oya Soysal
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A135691 CA
D0074665 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Emeline Ave, Santa Cruz, CA 95060
- Phone
- (831) 454-5470
- Enumerated
- Oct 10, 2008
- Record last updated
- Mar 7, 2023
- Medicare enrollment
- Enrolled (PECOS I20150708000053); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1400 Emeline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Guadalupe AbundezMedical Physician Assistant1891401121
- Mariela Acevedo, MFTIMental Health Counselor1356869093
- David AdlerCounselor1407052970
- Esmeralda AlfaroAssistant Health Information Record Technician1003758715
- Sara AndersonMental Health Counselor1972856656
- Robert Annon, LCSClinical Social Worker1992730121
Verify Nesibe Oya Soysal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A135691Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average psychiatry physician in 2024
688 Medicare Part D claims for 50 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Olanzapine59 claims
- Quetiapine Fumarate42 claims
- Invega Sustenna38 claims
- Bupropion Xl31 claims
- Venlafaxine Hcl Er28 claims
- Trazodone Hcl27 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- County OF Santa CruzSanta Cruz, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nesibe Oya Soysal among 8,673 psychiatry physician records in California
Nesibe Oya Soysal, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2000 · median 2005 among the 3,295 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Santa Cruz → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ralph Berman, M DSanta Cruz, CA 950601306889795
- Michael Christie, M.D.Santa Cruz, CA 950601659486512
- John Gillette, M.D.Santa Cruz, CA 950601598756579
- David Hoban, MDSanta Cruz, CA 950601659325892
- Brinda Krishnan, M.D.,Santa Cruz, CA 950601114970076
- Barbara Lampert, MDSanta Cruz, CA 950601841200128
- Timothy Myers, MDSanta Cruz, CA 950601124030747
- Latha Nair, M.D.Santa Cruz, CA 950601164527560
Common questions
What is Nesibe Oya Soysal, M.D.'s NPI number?
Nesibe Oya Soysal, M.D.'s National Provider Identifier (NPI) is 1558513309, issued on Oct 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nesibe Oya Soysal, M.D. located?
The NPPES record lists a practice address at 1400 Emeline Ave, Santa Cruz, CA, 95060. Phone: (831) 454-5470. Providers update this record themselves, so call before visiting.
How can I verify Nesibe Oya Soysal, M.D.'s license?
NPPES lists California license number A135691, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nesibe Oya Soysal, M.D. prescribe under Medicare Part D?
In 2024, Nesibe Oya Soysal, M.D. had 688 Medicare Part D claims for 50 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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.