Mary Taylor Siebel, PHD
NPI 1083779508 · Clinical Psychologist · Daly City, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Taylor Siebel, PHD is a Clinical Psychologist provider in Daly City, CA (NPI 1083779508).
Provider details
- NPI number
- 1083779508
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- PSY7821 (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
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
Registry dates
- Enumerated
- 2006-12-26
- Last updated
- 2015-02-23
Frequently asked questions
- What is Mary Taylor Siebel's NPI number?
- Mary Taylor Siebel's National Provider Identifier (NPI) is 1083779508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Taylor Siebel's specialty?
- Mary Taylor Siebel is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Taylor Siebel located?
- Mary Taylor Siebel's practice location on file with NPPES is 1500 Southgate Ave, Daly City, CA 94015-2259.
- What is Mary Taylor Siebel's phone number?
- The practice phone number listed in the NPPES registry for Mary Taylor Siebel is (415) 455-9572.
- Does Mary Taylor Siebel accept Medicare?
- Mary Taylor Siebel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Taylor Siebel's NPI active?
- Yes — Mary Taylor Siebel's NPI (1083779508) is active in the NPPES registry as of the last update on 2015-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.