Cathleen Callahan, MD
NPI 1235308354 · Obstetrics & Gynecology Physician · Blacksburg, VA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cathleen Callahan, MD is a Obstetrics & Gynecology Physician provider in Blacksburg, VA (NPI 1235308354).
Provider details
- NPI number
- 1235308354
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0101238491 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-02-22
- Last updated
- 2012-01-12
Frequently asked questions
- What is Cathleen Callahan's NPI number?
- Cathleen Callahan's National Provider Identifier (NPI) is 1235308354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cathleen Callahan's specialty?
- Cathleen Callahan is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Cathleen Callahan located?
- Cathleen Callahan's practice location on file with NPPES is 2265 Kraft Dr, Blacksburg, VA 24060-6360.
- What is Cathleen Callahan's phone number?
- The practice phone number listed in the NPPES registry for Cathleen Callahan is (540) 231-0915.
- Does Cathleen Callahan accept Medicare?
- Cathleen Callahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cathleen Callahan's NPI active?
- Yes — Cathleen Callahan's NPI (1235308354) is active in the NPPES registry as of the last update on 2012-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.