Shawn Giammattei, PH.D
NPI 1255580973 · Family Psychologist · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shawn Giammattei, PH.D is a Family Psychologist provider in Santa Rosa, CA (NPI 1255580973).
Provider details
- NPI number
- 1255580973
- Entity type
- Individual
- Primary specialty
- Family PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY 22570 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
- Group Psychotherapy Psychologist103TP2701X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-09-17
- Last updated
- 2015-11-21
Frequently asked questions
- What is Shawn Giammattei's NPI number?
- Shawn Giammattei's National Provider Identifier (NPI) is 1255580973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shawn Giammattei's specialty?
- Shawn Giammattei is listed in the NPPES registry with a primary specialty of Family Psychologist (Behavioral Health & Social Service Providers).
- Where is Shawn Giammattei located?
- Shawn Giammattei's practice location on file with NPPES is 1049 4th St, Santa Rosa, CA 95404-4303.
- What is Shawn Giammattei's phone number?
- The practice phone number listed in the NPPES registry for Shawn Giammattei is (415) 722-7134.
- Does Shawn Giammattei accept Medicare?
- Shawn Giammattei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shawn Giammattei's NPI active?
- Yes — Shawn Giammattei's NPI (1255580973) is active in the NPPES registry as of the last update on 2015-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.