Guide Services Inc
NPI 1538296223 · Psychologist · Ellicott City, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guide Services Inc is a Psychologist organization in Ellicott City, MD (NPI 1538296223).
Provider details
- NPI number
- 1538296223
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Donna Saunders, President(410) 872-2990
- License
- 03947 (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
19 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
Other names (DBA / former)
- Doing business as
- Donna Saunders PH.D.
Registry dates
- Enumerated
- 2007-02-28
- Last updated
- 2024-05-15
- Certified
- 2024-05-15
Frequently asked questions
- What is Guide Services Inc's NPI number?
- Guide Services Inc's National Provider Identifier (NPI) is 1538296223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Guide Services Inc?
- Guide Services Inc is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Guide Services Inc located?
- Guide Services Inc's practice location on file with NPPES is 4725 Dorsey Hall Dr Ste A317, Ellicott City, MD 21042-7713.
- What is Guide Services Inc's phone number?
- The practice phone number listed in the NPPES registry for Guide Services Inc is (443) 274-7887.
- Does Guide Services Inc accept Medicare?
- Guide Services Inc 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 Guide Services Inc?
- The authorized official listed on Guide Services Inc's NPPES record is Donna Saunders, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Guide Services Inc's NPI active?
- Yes — Guide Services Inc's NPI (1538296223) is active in the NPPES registry as of the last update on 2024-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.