Steven Marc Gemma, M.D.
Psychiatry Physician · Marysville, OH
Steven Marc Gemma, M.D. is a psychiatry physician with a practice address in Marysville, Ohio, and NPI 1134473168, issued on Oct 29, 2012. Check the license (Ohio 35058719, as entered in NPPES) on the State Medical Board of Ohio; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Steven Marc Gemma
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 35058719 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1479 Collins Ave, Marysville, OH 43040
- Phone
- (937) 642-1065
- Enumerated
- Oct 29, 2012
- Record last updated
- Oct 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 0882406 OH
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,587 in Ohio → Look up another NPI →
Also registered at 1479 Collins Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Justine Bednarki, LISWClinical Social Worker1093229197
- Ruth Donaldson, A.P.NAdult Psychiatric/Mental Health Clinical Nurse Specialist1366796526
- Deborah Downey, PSY.D.Psychologist1164675120
- John Dye, LICDCAddiction (Substance Use Disorder) Counselor1538560024
- Yolanda Ewing, NPFamily Nurse Practitioner1679804579
- Alexandra Haynes, LISWClinical Social Worker1679169700
Verify Steven Marc Gemma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35058719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Steven Marc Gemma among 1,587 psychiatry physician records in Ohio
Steven Marc Gemma, M.D. is one of 1,587 psychiatry physician records with a practice address in Ohio. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 25% newer
- In a Medicare fileNo · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2012 · 61% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Ohio
There are 1,587 psychiatry physician records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,587 in Ohio → Every provider in Marysville → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Erica Holbrook, MDMarysville, OH 430401265963540
- Zachary Orlins, DOMarysville, OH 430401932606787
- Smitha Patel, M.D.Marysville, OH 430401043355712
- Varun Rawal, MDMarysville, OH 430401205397353
- Ermias Seleshi, MD, MPHMarysville, OH 430401699969725
- Tara Perkins, D.O.Lewis Center, OH 430351306093034
- Eric Kahn, M.D.Mount Vernon, OH 430501518043421
- Chandravadan Patel, M.D.Mount Vernon, OH 430501598883068
Common questions
What is Steven Marc Gemma, M.D.'s NPI number?
Steven Marc Gemma, M.D.'s National Provider Identifier (NPI) is 1134473168, issued on Oct 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Steven Marc Gemma, M.D. located?
The NPPES record lists a practice address at 1479 Collins Ave, Marysville, OH, 43040. Phone: (937) 642-1065. Providers update this record themselves, so call before visiting.
How can I verify Steven Marc Gemma, M.D.'s license?
NPPES lists Ohio license number 35058719, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.