IndividualActive
Mark Harmon, D.D.S.
NPI 1861545451 · General Practice Dentistry · Oscoda, MI
Mark Harmon, D.D.S. is a General Practice Dentistry provider in Oscoda, MI (NPI 1861545451).
Provider details
- NPI number
- 1861545451
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2901014715 (MI)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
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
4680 E. F-41
Oscoda, MI 48750-2227
Phone: (989) 739-9931
Street-level locationGet directions
Mailing address
5670 Castleway Rd
Oscoda, MI 48750-9483
Registry dates
- Enumerated
- 2007-01-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Harmon's NPI number?
- Mark Harmon's National Provider Identifier (NPI) is 1861545451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Harmon's specialty?
- Mark Harmon is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Mark Harmon located?
- Mark Harmon's practice location on file with NPPES is 4680 E. F-41, Oscoda, MI 48750-2227.
- What is Mark Harmon's phone number?
- The practice phone number listed in the NPPES registry for Mark Harmon is (989) 739-9931.
- Is Mark Harmon's NPI active?
- Yes — Mark Harmon's NPI (1861545451) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.