Melissa Callahan PLLC
NPI 1669360343 · Adult Mental Health Clinic/Center · Fairfax, VA
Melissa Callahan PLLC is a Adult Mental Health Clinic/Center organization in Fairfax, VA (NPI 1669360343).
Provider details
- NPI number
- 1669360343
- Entity type
- Organization
- Primary specialty
- Adult Mental Health Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Melissa Callahan, Managing Director(703) 919-2999
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
Other names (DBA / former)
- Doing business as
- Callahan Therapy & Consultation
Registry dates
- Enumerated
- 2025-06-24
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Melissa Callahan PLLC's NPI number?
- Melissa Callahan PLLC's National Provider Identifier (NPI) is 1669360343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Melissa Callahan PLLC?
- Melissa Callahan PLLC is classified in the NPPES registry as Adult Mental Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Melissa Callahan PLLC located?
- Melissa Callahan PLLC's practice location on file with NPPES is 11198 Main St Ste D2, Fairfax, VA 22030-5009.
- What is Melissa Callahan PLLC's phone number?
- The practice phone number listed in the NPPES registry for Melissa Callahan PLLC is (703) 485-3598.
- Who is the authorized official for Melissa Callahan PLLC?
- The authorized official listed on Melissa Callahan PLLC's NPPES record is Melissa Callahan, Managing Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Melissa Callahan PLLC's NPI active?
- Yes — Melissa Callahan PLLC's NPI (1669360343) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.