John Harrison, DDS,MSC
NPI 1912024696 · Orthodontics and Dentofacial Orthopedics Dentistry · St Petersburg, FL
John Harrison, DDS,MSC is a Orthodontics and Dentofacial Orthopedics Dentistry provider in St Petersburg, FL (NPI 1912024696).
Provider details
- NPI number
- 1912024696
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- DDS,MSC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3770 (FL)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
Mailing address
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2010-09-15
Frequently asked questions
- What is John Harrison's NPI number?
- John Harrison's National Provider Identifier (NPI) is 1912024696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Harrison's specialty?
- John Harrison is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is John Harrison located?
- John Harrison's practice location on file with NPPES is 545 4th Ave S, St Petersburg, FL 33701-4408.
- What is John Harrison's phone number?
- The practice phone number listed in the NPPES registry for John Harrison is (727) 822-3156.
- Is John Harrison's NPI active?
- Yes — John Harrison's NPI (1912024696) is active in the NPPES registry as of the last update on 2010-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.