Gwendolyn Macdonald
NPI 1548680523 · Addiction (Substance Use Disorder) Counselor · Santa Clarita, CA
Gwendolyn Macdonald is a Addiction (Substance Use Disorder) Counselor provider in Santa Clarita, CA (NPI 1548680523).
Provider details
- NPI number
- 1548680523
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2014-04-17
- Last updated
- 2014-04-20
Frequently asked questions
- What is Gwendolyn Macdonald's NPI number?
- Gwendolyn Macdonald's National Provider Identifier (NPI) is 1548680523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Macdonald's specialty?
- Gwendolyn Macdonald is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gwendolyn Macdonald located?
- Gwendolyn Macdonald's practice location on file with NPPES is 26708 Oak Pluma Ct, Santa Clarita, CA 91321-1441.
- What is Gwendolyn Macdonald's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Macdonald is (818) 324-4624.
- Is Gwendolyn Macdonald's NPI active?
- Yes — Gwendolyn Macdonald's NPI (1548680523) is active in the NPPES registry as of the last update on 2014-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.