IndividualActive
Flinton Callahan, M.D.
NPI 1063411817 · Ophthalmology Physician · Leesburg, VA
Flinton Callahan, M.D. is a Ophthalmology Physician provider in Leesburg, VA (NPI 1063411817).
Provider details
- NPI number
- 1063411817
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101021979 (VA)
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
20 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
20 Davis Ave Sw
Leesburg, VA 20175-3824
Phone: (703) 777-1244
Fax: (540) 338-9137
Street-level locationGet directions
Mailing address
20 Davis Ave Sw
Leesburg, VA 20175-3824
Registry dates
- Enumerated
- 2005-07-14
- Last updated
- 2009-03-19
Frequently asked questions
- What is Flinton Callahan's NPI number?
- Flinton Callahan's National Provider Identifier (NPI) is 1063411817, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Flinton Callahan's specialty?
- Flinton Callahan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Flinton Callahan located?
- Flinton Callahan's practice location on file with NPPES is 20 Davis Ave Sw, Leesburg, VA 20175-3824.
- What is Flinton Callahan's phone number?
- The practice phone number listed in the NPPES registry for Flinton Callahan is (703) 777-1244.
- Is Flinton Callahan's NPI active?
- Yes — Flinton Callahan's NPI (1063411817) is active in the NPPES registry as of the last update on 2009-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.