Marlene Mills-Margesson, LCSW
NPI 1063926814 · Clinical Social Worker · San Clemente, CA
Marlene Mills-Margesson, LCSW is a Clinical Social Worker provider in San Clemente, CA (NPI 1063926814).
Provider details
- NPI number
- 1063926814
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 21173 (CA)
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
8 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
- 2017-11-30
- Last updated
- 2017-11-30
Frequently asked questions
- What is Marlene Mills-Margesson's NPI number?
- Marlene Mills-Margesson's National Provider Identifier (NPI) is 1063926814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlene Mills-Margesson's specialty?
- Marlene Mills-Margesson is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Marlene Mills-Margesson located?
- Marlene Mills-Margesson's practice location on file with NPPES is 3512 Calle Verano, San Clemente, CA 92673-2722.
- What is Marlene Mills-Margesson's phone number?
- The practice phone number listed in the NPPES registry for Marlene Mills-Margesson is (949) 547-3853.
- Is Marlene Mills-Margesson's NPI active?
- Yes — Marlene Mills-Margesson's NPI (1063926814) is active in the NPPES registry as of the last update on 2017-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.