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Mark Overbay, MD
NPI 1932121324 · Family Medicine Physician · Bristol, TN
Mark Overbay, MD is a Family Medicine Physician provider in Bristol, TN (NPI 1932121324).
Provider details
- NPI number
- 1932121324
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD24658 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 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
308 8th St
Bristol, TN 37620-2386
Phone: (423) 844-6860
Fax: (423) 844-0613
Street-level locationGet directions
Mailing address
999 Executive Park Blvd
Kingsport, TN 37660-4632
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2008-03-10
Frequently asked questions
- What is Mark Overbay's NPI number?
- Mark Overbay's National Provider Identifier (NPI) is 1932121324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Overbay's specialty?
- Mark Overbay is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Overbay located?
- Mark Overbay's practice location on file with NPPES is 308 8th St, Bristol, TN 37620-2386.
- What is Mark Overbay's phone number?
- The practice phone number listed in the NPPES registry for Mark Overbay is (423) 844-6860.
- Is Mark Overbay's NPI active?
- Yes — Mark Overbay's NPI (1932121324) is active in the NPPES registry as of the last update on 2008-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.