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Martha Gillis, PH.D.
NPI 1871657080 · Clinical Psychologist · Fairfax, VA
Martha Gillis, PH.D. is a Clinical Psychologist provider in Fairfax, VA (NPI 1871657080).
Provider details
- NPI number
- 1871657080
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0810003445 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
11166 Fairfax Blvd
Suite 203
Fairfax, VA 22030-5017
Phone: (703) 819-8445
Street-level locationGet directions
Mailing address
11166 Fairfax Blvd
Fairfax, VA 22030-5017
Registry dates
- Enumerated
- 2006-12-21
- Last updated
- 2011-11-29
Frequently asked questions
- What is Martha Gillis's NPI number?
- Martha Gillis's National Provider Identifier (NPI) is 1871657080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Gillis's specialty?
- Martha Gillis is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Martha Gillis located?
- Martha Gillis's practice location on file with NPPES is 11166 Fairfax Blvd, Fairfax, VA 22030-5017.
- What is Martha Gillis's phone number?
- The practice phone number listed in the NPPES registry for Martha Gillis is (703) 819-8445.
- Is Martha Gillis's NPI active?
- Yes — Martha Gillis's NPI (1871657080) is active in the NPPES registry as of the last update on 2011-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.