Lillian De Petrillo, PHD
NPI 1962755157 · Clinical Psychologist · Washington, DC
Lillian De Petrillo, PHD is a Clinical Psychologist provider in Washington, DC (NPI 1962755157).
Provider details
- NPI number
- 1962755157
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY1000892 (DC)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Additional practice locations (1)
- 4719 Hampden LnSuite 100Bethesda, MD 20814-3074Phone: (301) 656-4600Fax: (301) 656-4601
Registry dates
- Enumerated
- 2012-10-25
- Last updated
- 2019-01-15
Frequently asked questions
- What is Lillian De Petrillo's NPI number?
- Lillian De Petrillo's National Provider Identifier (NPI) is 1962755157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian De Petrillo's specialty?
- Lillian De Petrillo is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Lillian De Petrillo located?
- Lillian De Petrillo's practice location on file with NPPES is 1729 21st St Nw, Washington, DC 20009-1101.
- What is Lillian De Petrillo's phone number?
- The practice phone number listed in the NPPES registry for Lillian De Petrillo is (202) 234-0903.
- Is Lillian De Petrillo's NPI active?
- Yes — Lillian De Petrillo's NPI (1962755157) is active in the NPPES registry as of the last update on 2019-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.