Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Mary Kathleen Hill, PHD

Individual provider Clinical Psychologist · NPI 1285948042

Dr. Mary Kathleen Hill, PHD is a Clinical Psychologist in Fairfax, Virginia. Qualified in 2008, 18 years ago. Practices with Inova Health Care Services, a 1,827-clinician group, works from 12 locations, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
18
Licensed in
VA
In the registry since
2010
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

8081 Innovation Park Dr Ste 604
Fairfax, VA 22031-4867
Phone: (571) 472-6880
Fax: (571) 665-6850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (11)

  • 2501 Parkers Ln, Alexandria, VA 22306-3209 — (703) 664-7000
  • 4320 Seminary Rd, Alexandria, VA 22304-1535 — (703) 504-3000
  • 8221 Willow Oaks Corporate Dr Ste 4-435, Fairfax, VA 22031-4512 — (703) 289-7560
  • 8221 Willow Oaks Corporate Dr Ste 4-430, Fairfax, VA 22031-4512 — (703) 289-7560
  • 8221 Willow Oaks Corporate Dr Ste 4-425, Fairfax, VA 22031-4512 — (703) 289-7560
  • 3600 Joseph Siewick Dr, Fairfax, VA 22033-1709 — (703) 391-3600
  • 8221 Willow Oaks Corporate Dr Ste 4-430, Fairfax, VA 22031-4512 — (703) 289-7560
  • 8221 Willow Oaks Corporate Dr Ste 4-420, Fairfax, VA 22031-4512 — (703) 289-7560
  • 3300 Gallows Rd, Falls Church, VA 22042-3300 — (703) 776-4001
  • 224 Cornwall St Nw, Leesburg, VA 20176-2701 — (703) 771-2894
  • 44045 Riverside Pkwy, Leesburg, VA 20176-5101 — (703) 858-6000

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 0810004213 (VA)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0810004213 (VA)

Record details

NPI number1285948042
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedAugust 3, 2010
Last updated in NPPESNovember 10, 2022
Certification dateNovember 10, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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