Steve C. Manitsas, MD
Psychiatry Physician · Union City, CA
Steve C. Manitsas, MD is a psychiatry physician with a practice address in Union City, California, and NPI 1720166580, issued on Nov 1, 2006. Check the license (California A54900, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steve C. Manitsas
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A54900 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3555 Whipple RD, Union City, CA 94587
- Phone
- (510) 675-3080
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00A549000 CA
- Medicare enrollment
- Enrolled (PECOS I20110131001046); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 3555 Whipple RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nadin Abu Khalaf, MS CCC-SLPSpeech-Language Pathologist1184469603
- Sangmin Ahn, M.D.Physical Medicine & Rehabilitation Physician1073892477
- Ma Cecilia Alfonso, OTR/LOccupational Therapist1992156335
- Farah Alsaati, MDGeriatric Medicine (Family Medicine) Physician1083147755
- Alejandra AndradeMarriage & Family Therapist1013649227
- Jacqueline Arroyo, JACQUELINE ARROYOPsychologist1275689531
Verify Steve C. Manitsas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A54900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average psychiatry physician in 2024
1,115 Medicare Part D claims for 177 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Trazodone Hcl67 claims
- Quetiapine Fumarate61 claims
- Fluoxetine Hcl57 claims
- Lorazepam54 claims
- Sertraline Hcl52 claims
- Olanzapine51 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
- Permanente Medical Group IncSan Leandro, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steve C. Manitsas among 8,673 psychiatry physician records in California
Steve C. Manitsas, MD 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1992 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 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 Union City → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Aliya Bakr, M.D.Union City, CA 945871780791038
- Shuja Jafar-Ali, M.D.Union City, CA 945871548348394
- Xiu Lowe, M.D.Union City, CA 945871043398894
- Jacqueline Magno Lagasca, M.D.Union City, CA 945871972675726
- Anthony Ret, M.D.Union City, CA 945871407934250
- Michael Sands, M.D.Union City, CA 945871033298732
- Mona Trivedi, M.D.Union City, CA 945871689781924
- Agnieszka Wisniewska, M.D.Union City, CA 945871659501708
Common questions
What is Steve C. Manitsas, MD's NPI number?
Steve C. Manitsas, MD's National Provider Identifier (NPI) is 1720166580, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steve C. Manitsas, MD located?
The NPPES record lists a practice address at 3555 Whipple RD, Union City, CA, 94587. Phone: (510) 675-3080. Providers update this record themselves, so call before visiting.
How can I verify Steve C. Manitsas, MD's license?
NPPES lists California license number A54900, 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 Steve C. Manitsas, MD prescribe under Medicare Part D?
In 2024, Steve C. Manitsas, MD had 1,115 Medicare Part D claims for 177 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.