Dennis Gates, Mental Health LLC
NPI 1134656747 · Prescribing (Medical) Psychologist · Largo, MD
Dennis Gates, Mental Health LLC is a Prescribing (Medical) Psychologist organization in Largo, MD (NPI 1134656747).
Provider details
- NPI number
- 1134656747
- Entity type
- Organization
- Primary specialty
- Prescribing (Medical) PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Tom Gates, Psychiatric Nurse Practitioner(301) 955-9812
- License
- R207808 (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
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
- 2017-05-12
- Last updated
- 2025-10-27
- Certified
- 2025-10-27
Frequently asked questions
- What is Dennis Gates, Mental Health LLC's NPI number?
- Dennis Gates, Mental Health LLC's National Provider Identifier (NPI) is 1134656747, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dennis Gates, Mental Health LLC?
- Dennis Gates, Mental Health LLC is classified in the NPPES registry as Prescribing (Medical) Psychologist (Behavioral Health & Social Service Providers).
- Where is Dennis Gates, Mental Health LLC located?
- Dennis Gates, Mental Health LLC's practice location on file with NPPES is 1300 Mercantile Ln Ste 198, Largo, MD 20774-5339.
- What is Dennis Gates, Mental Health LLC's phone number?
- The practice phone number listed in the NPPES registry for Dennis Gates, Mental Health LLC is (301) 955-9812.
- Who is the authorized official for Dennis Gates, Mental Health LLC?
- The authorized official listed on Dennis Gates, Mental Health LLC's NPPES record is Tom Gates, Psychiatric Nurse Practitioner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dennis Gates, Mental Health LLC's NPI active?
- Yes — Dennis Gates, Mental Health LLC's NPI (1134656747) is active in the NPPES registry as of the last update on 2025-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.