Dr. Carol a Sims and Associates, LLC.
NPI 1689621732 · Clinical Psychologist · Laytonsville, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr. Carol a Sims and Associates, LLC. is a Clinical Psychologist organization in Laytonsville, MD (NPI 1689621732).
Provider details
- NPI number
- 1689621732
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Jeffrey Singer, Business Manager(240) 888-2239
- License
- 01959 (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
20 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
- 2006-05-27
- Last updated
- 2009-01-26
Frequently asked questions
- What is Dr. Carol a Sims and Associates, LLC.'s NPI number?
- Dr. Carol a Sims and Associates, LLC.'s National Provider Identifier (NPI) is 1689621732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Carol a Sims and Associates, LLC.?
- Dr. Carol a Sims and Associates, LLC. is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Dr. Carol a Sims and Associates, LLC. located?
- Dr. Carol a Sims and Associates, LLC.'s practice location on file with NPPES is 21500 Quick Fox Ln, Laytonsville, MD 20882-1340.
- What is Dr. Carol a Sims and Associates, LLC.'s phone number?
- The practice phone number listed in the NPPES registry for Dr. Carol a Sims and Associates, LLC. is (240) 888-2239.
- Does Dr. Carol a Sims and Associates, LLC. accept Medicare?
- Dr. Carol a Sims and Associates, LLC. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dr. Carol a Sims and Associates, LLC.?
- The authorized official listed on Dr. Carol a Sims and Associates, LLC.'s NPPES record is Jeffrey Singer, Business Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Carol a Sims and Associates, LLC.'s NPI active?
- Yes — Dr. Carol a Sims and Associates, LLC.'s NPI (1689621732) is active in the NPPES registry as of the last update on 2009-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.