OrganizationActive
Dr. John N. Semertzides
NPI 1639361835 · Surgery Physician · Cincinnati, OH
Dr. John N. Semertzides is a Surgery Physician organization in Cincinnati, OH (NPI 1639361835).
Provider details
- NPI number
- 1639361835
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Semertzides, Owner(513) 734-7765
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
11147 Montgomery Rd
Ste 200
Cincinnati, OH 45249-2382
Phone: (513) 247-9201
Fax: (513) 247-9420
Street-level locationGet directions
Mailing address
Po Box 635836
Cincinnati, OH 45263-0001
Registry dates
- Enumerated
- 2007-08-13
- Last updated
- 2007-10-01
Frequently asked questions
- What is Dr. John N. Semertzides's NPI number?
- Dr. John N. Semertzides's National Provider Identifier (NPI) is 1639361835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. John N. Semertzides?
- Dr. John N. Semertzides is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. John N. Semertzides located?
- Dr. John N. Semertzides's practice location on file with NPPES is 11147 Montgomery Rd, Cincinnati, OH 45249-2382.
- What is Dr. John N. Semertzides's phone number?
- The practice phone number listed in the NPPES registry for Dr. John N. Semertzides is (513) 247-9201.
- Who is the authorized official for Dr. John N. Semertzides?
- The authorized official listed on Dr. John N. Semertzides's NPPES record is John Semertzides, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. John N. Semertzides's NPI active?
- Yes — Dr. John N. Semertzides's NPI (1639361835) is active in the NPPES registry as of the last update on 2007-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.