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Merle Litowitz, PH.D.
NPI 1992819098 · Clinical Psychologist · Vienna, VA
Merle Litowitz, PH.D. is a Clinical Psychologist provider in Vienna, VA (NPI 1992819098).
Provider details
- NPI number
- 1992819098
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0810001645 (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
380 Maple Ave W
Suite 200
Vienna, VA 22180-5620
Phone: (703) 255-3400
Fax: (703) 255-3400
Street-level locationGet directions
Mailing address
380 Maple Ave W
Vienna, VA 22180-5620
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Merle Litowitz's NPI number?
- Merle Litowitz's National Provider Identifier (NPI) is 1992819098, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Merle Litowitz's specialty?
- Merle Litowitz is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Merle Litowitz located?
- Merle Litowitz's practice location on file with NPPES is 380 Maple Ave W, Vienna, VA 22180-5620.
- What is Merle Litowitz's phone number?
- The practice phone number listed in the NPPES registry for Merle Litowitz is (703) 255-3400.
- Is Merle Litowitz's NPI active?
- Yes — Merle Litowitz's NPI (1992819098) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.