IndividualActive
Margaret Guy, M.S.W.
NPI 1538208608 · Clinical Social Worker · Pasadena, CA
Margaret Guy, M.S.W. is a Clinical Social Worker provider in Pasadena, CA (NPI 1538208608).
Provider details
- NPI number
- 1538208608
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- M.S.W.
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCS 10122 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
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
131 N El Molino Ave Ste 315
Pasadena, CA 91101
Phone: (626) 449-5639
Street-level locationGet directions
Mailing address
131 N El Molino Ave Ste 315
Pasadena, CA 91101-1878
Registry dates
- Enumerated
- 2007-02-05
- Last updated
- 2018-09-09
Frequently asked questions
- What is Margaret Guy's NPI number?
- Margaret Guy's National Provider Identifier (NPI) is 1538208608, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Guy's specialty?
- Margaret Guy is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Margaret Guy located?
- Margaret Guy's practice location on file with NPPES is 131 N El Molino Ave Ste 315, Pasadena, CA 91101.
- What is Margaret Guy's phone number?
- The practice phone number listed in the NPPES registry for Margaret Guy is (626) 449-5639.
- Is Margaret Guy's NPI active?
- Yes — Margaret Guy's NPI (1538208608) is active in the NPPES registry as of the last update on 2018-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.