IndividualActive
Martha Merrion, PH.D.
NPI 1467588558 · Clinical Psychologist · Ashburn, VA
Martha Merrion, PH.D. is a Clinical Psychologist provider in Ashburn, VA (NPI 1467588558).
Provider details
- NPI number
- 1467588558
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0810002854 (VA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(94/100 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
2 documented practice locations
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
20130 Lakeview Center Plz Fl 4
Ashburn, VA 20147-5904
Phone: (540) 905-2734
Approximate (ZIP-level) locationGet directions
Mailing address
88 Runnymede Dr
Charles Town, WV 25414-3610
Additional practice locations (1)
- 13800 Coppermine RdHerndon, VA 20171-6163Phone: (540) 905-2734
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2020-04-14
- Certified
- 2020-04-14
Frequently asked questions
- What is Martha Merrion's NPI number?
- Martha Merrion's National Provider Identifier (NPI) is 1467588558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Merrion's specialty?
- Martha Merrion is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Martha Merrion located?
- Martha Merrion's practice location on file with NPPES is 20130 Lakeview Center Plz Fl 4, Ashburn, VA 20147-5904.
- What is Martha Merrion's phone number?
- The practice phone number listed in the NPPES registry for Martha Merrion is (540) 905-2734.
- Is Martha Merrion's NPI active?
- Yes — Martha Merrion's NPI (1467588558) is active in the NPPES registry as of the last update on 2020-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.