1. Home
  2. Directory
  3. Virginia
  4. Leesburg
  5. Ophthalmology
  6. NPI Profile

DR. FLINTON CALLAHAN II M.D.
NPI 1063411817
Ophthalmology in Leesburg, VA

Active since July 14, 2005
20 DAVIS AVE SW, LEESBURG, VA 20175(703) 777-1244(540) 338-9137 Get Directions Write a Review

NPPES record last updated: March 19, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Flinton Callahan Ii M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. FLINTON CALLAHAN II M.D. (NPI 1063411817) is an individual ophthalmology provider in Leesburg, Virginia, licensed in Virginia (0101021979) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1063411817
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. FLINTON CALLAHAN IICredential: M.D.
Location Address20 DAVIS AVE SWLeesburg, VA 20175-3824
Mailing Address20 Davis Ave SwLeesburg, VA 20175-3824 · (703) 777-1244 · Fax (540) 338-9137
Phone(703) 777-1244
Fax(540) 338-9137
Sole ProprietorNo
Enumeration DateJuly 14, 2005
Last NPPES UpdateMarch 19, 2009
✔ NPI 1063411817 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in VA · 0101021979
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
20 DAVIS AVE SW, Leesburg, VA 20175
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type Unspecified180000171VA
Medicare UPINB05018VA

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CLAIBORNE MOORE CALLAHAN M.D.
Ophthalmology
20 DAVIS AVE SW
LEESBURG, VA 20175
Loudoun County (703) 777-1244
FLINTON CALLAHAN II M.D. & ASSOCIATES INC
Specialist
20 DAVIS AVE SW
LEESBURG, VA 20175
Loudoun County (703) 777-1244

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Flinton Callahan's NPI number?

The NPI number for Flinton Callahan is 1063411817. It was assigned to this individual provider in the NPPES registry on July 14, 2005.

Where is Flinton Callahan located?

Flinton Callahan practices at 20 Davis Ave SW, Leesburg, VA 20175. The listed phone number is (703) 777-1244.

What is Flinton Callahan's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Flinton Callahan was last updated on March 19, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.