Potomac Psychological Services, LLC
NPI 1427763440 · Clinical Psychologist · Rockville, MD
Potomac Psychological Services, LLC is a Clinical Psychologist organization in Rockville, MD (NPI 1427763440).
Provider details
- NPI number
- 1427763440
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Genine Swanzey-Mahon, Owner(301) 244-9685
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
3 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
Mailing address
Registry dates
- Enumerated
- 2023-01-16
- Last updated
- 2023-01-16
- Certified
- 2023-01-16
Frequently asked questions
- What is Potomac Psychological Services, LLC's NPI number?
- Potomac Psychological Services, LLC's National Provider Identifier (NPI) is 1427763440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Potomac Psychological Services, LLC?
- Potomac Psychological Services, LLC is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Potomac Psychological Services, LLC located?
- Potomac Psychological Services, LLC's practice location on file with NPPES is 20 Courthouse Sq Ste 216, Rockville, MD 20850-0399.
- What is Potomac Psychological Services, LLC's phone number?
- The practice phone number listed in the NPPES registry for Potomac Psychological Services, LLC is (301) 244-9685.
- Who is the authorized official for Potomac Psychological Services, LLC?
- The authorized official listed on Potomac Psychological Services, LLC's NPPES record is Genine Swanzey-Mahon, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Potomac Psychological Services, LLC's NPI active?
- Yes — Potomac Psychological Services, LLC's NPI (1427763440) is active in the NPPES registry as of the last update on 2023-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.