Andrea Williams, PSYD
NPI 1114466869 · Clinical Psychologist · White Plains, MD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Williams, PSYD is a Clinical Psychologist provider in White Plains, MD (NPI 1114466869).
Provider details
- NPI number
- 1114466869
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 05717 (MD)
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
9 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)
- 601 Post Office RdWaldorf, MD 20602-1912Phone: (301) 848-0461Fax: (301) 885-0922
Registry dates
- Enumerated
- 2017-02-14
- Last updated
- 2019-04-22
Frequently asked questions
- What is Andrea Williams's NPI number?
- Andrea Williams's National Provider Identifier (NPI) is 1114466869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Williams's specialty?
- Andrea Williams is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Andrea Williams located?
- Andrea Williams's practice location on file with NPPES is 10665 Stanhaven Pl Ste 3119, White Plains, MD 20695-3055.
- What is Andrea Williams's phone number?
- The practice phone number listed in the NPPES registry for Andrea Williams is (301) 202-3739.
- Does Andrea Williams accept Medicare?
- Andrea Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Williams's NPI active?
- Yes — Andrea Williams's NPI (1114466869) is active in the NPPES registry as of the last update on 2019-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.