Amy Hammerschlag, M.A.
NPI 1407542905 · Clinical Psychologist · Brea, CA
Amy Hammerschlag, M.A. is a Clinical Psychologist provider in Brea, CA (NPI 1407542905).
Provider details
- NPI number
- 1407542905
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- School Psychologist103TS0200X
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
3 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
Mailing address
Registry dates
- Enumerated
- 2023-04-17
- Last updated
- 2023-04-17
- Certified
- 2023-04-17
Frequently asked questions
- What is Amy Hammerschlag's NPI number?
- Amy Hammerschlag's National Provider Identifier (NPI) is 1407542905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Hammerschlag's specialty?
- Amy Hammerschlag is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Amy Hammerschlag located?
- Amy Hammerschlag's practice location on file with NPPES is 265 S Randolph Ave Ste 250, Brea, CA 92821-5701.
- What is Amy Hammerschlag's phone number?
- The practice phone number listed in the NPPES registry for Amy Hammerschlag is (657) 549-0857.
- Is Amy Hammerschlag's NPI active?
- Yes — Amy Hammerschlag's NPI (1407542905) is active in the NPPES registry as of the last update on 2023-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.