Annie Derthick, PHD
NPI 1689039422 · Family Psychologist · Lewiston, ME
Enrolled with Medicare as Practitioner - Neuropsychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Derthick, PHD is a Family Psychologist provider in Lewiston, ME (NPI 1689039422).
Provider details
- NPI number
- 1689039422
- Entity type
- Individual
- Primary specialty
- Family PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 107779 (AK)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1201 E 36th AveAnchorage, AK 99508-4372Phone: (907) 562-9229Fax: (907) 561-4806
Registry dates
- Enumerated
- 2015-12-21
- Last updated
- 2018-09-13
Frequently asked questions
- What is Annie Derthick's NPI number?
- Annie Derthick's National Provider Identifier (NPI) is 1689039422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Derthick's specialty?
- Annie Derthick is listed in the NPPES registry with a primary specialty of Family Psychologist (Behavioral Health & Social Service Providers).
- Where is Annie Derthick located?
- Annie Derthick's practice location on file with NPPES is 76 High St, Lewiston, ME 04240.
- What is Annie Derthick's phone number?
- The practice phone number listed in the NPPES registry for Annie Derthick is (207) 795-2800.
- Does Annie Derthick accept Medicare?
- Annie Derthick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Derthick's NPI active?
- Yes — Annie Derthick's NPI (1689039422) is active in the NPPES registry as of the last update on 2018-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.