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Marguerite Stagg
NPI 1811332455 · Mental Health Counselor · San Mateo, CA
Marguerite Stagg is a Mental Health Counselor provider in San Mateo, CA (NPI 1811332455).
Provider details
- NPI number
- 1811332455
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
222 Paul Scannell Drive
San Mateo, CA 94402
Phone: (650) 312-5275
Street-level locationGet directions
Mailing address
2228 Union Street #105
San Francisco, CA 94123
Registry dates
- Enumerated
- 2013-05-09
- Last updated
- 2013-05-09
Frequently asked questions
- What is Marguerite Stagg's NPI number?
- Marguerite Stagg's National Provider Identifier (NPI) is 1811332455, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marguerite Stagg's specialty?
- Marguerite Stagg is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Marguerite Stagg located?
- Marguerite Stagg's practice location on file with NPPES is 222 Paul Scannell Drive, San Mateo, CA 94402.
- What is Marguerite Stagg's phone number?
- The practice phone number listed in the NPPES registry for Marguerite Stagg is (650) 312-5275.
- Is Marguerite Stagg's NPI active?
- Yes — Marguerite Stagg's NPI (1811332455) is active in the NPPES registry as of the last update on 2013-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.