IndividualActive
Stephanie Hamm, PSY.D.
NPI 1821137597 · Psychologist · Atascadero, CA
Stephanie Hamm, PSY.D. is a Psychologist provider in Atascadero, CA (NPI 1821137597).
Provider details
- NPI number
- 1821137597
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- No
- License
- PSY21988 (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
10333 El Camino Real
Atascadero, CA 93422-5808
Phone: (805) 468-2000
Fax: (805) 468-6011
Street-level locationGet directions
Mailing address
1600 9th Street, Room 150
Sacramento, CA 95814-6414
Registry dates
- Enumerated
- 2007-02-06
- Last updated
- 2014-09-03
Frequently asked questions
- What is Stephanie Hamm's NPI number?
- Stephanie Hamm's National Provider Identifier (NPI) is 1821137597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Hamm's specialty?
- Stephanie Hamm is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephanie Hamm located?
- Stephanie Hamm's practice location on file with NPPES is 10333 El Camino Real, Atascadero, CA 93422-5808.
- What is Stephanie Hamm's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Hamm is (805) 468-2000.
- Is Stephanie Hamm's NPI active?
- Yes — Stephanie Hamm's NPI (1821137597) is active in the NPPES registry as of the last update on 2014-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.