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Steven Gemma, M.D.
NPI 1134473168 · Psychiatry Physician · Marysville, OH
Steven Gemma, M.D. is a Psychiatry Physician provider in Marysville, OH (NPI 1134473168).
Provider details
- NPI number
- 1134473168
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35058719 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1479 Collins Ave
Marysville, OH 43040-8808
Phone: (937) 642-1065
Street-level locationGet directions
Mailing address
4932 Galway Dr
Dublin, OH 43017-8410
Registry dates
- Enumerated
- 2012-10-29
- Last updated
- 2012-10-29
Frequently asked questions
- What is Steven Gemma's NPI number?
- Steven Gemma's National Provider Identifier (NPI) is 1134473168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Gemma's specialty?
- Steven Gemma is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Gemma located?
- Steven Gemma's practice location on file with NPPES is 1479 Collins Ave, Marysville, OH 43040-8808.
- What is Steven Gemma's phone number?
- The practice phone number listed in the NPPES registry for Steven Gemma is (937) 642-1065.
- Is Steven Gemma's NPI active?
- Yes — Steven Gemma's NPI (1134473168) is active in the NPPES registry as of the last update on 2012-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.