NPPES file of Aug 9, 2026

Annie Derthick, PHD

Psychologist · Lewiston, ME

Annie Derthick, PHD is a psychologist with a practice address in Lewiston, Maine, and NPI 1689039422, issued on Dec 21, 2015. Check the license (Maine PS1563, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689039422
Name
Annie Derthick
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License numbers
PS1563 ME
PSY900357 GA
107779 AK
Self-reported in NPPES; status is on the state search
Practice location
76 High St, Lewiston, ME 04240
Phone
(207) 795-2800
Enumerated
Dec 21, 2015
Record last updated
Aug 7, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 76 High St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rebecca Adamson, MDFamily Medicine Physician1912313982
  2. Deana Albert, N.P.Adult Health Nurse Practitioner1578543278
  3. Clare Alexander, MDFamily Medicine Physician1548676513
  4. Emanuelle AndrianopoulosFamily Medicine Physician1801738125
  5. Jesse Atwood, DOFamily Medicine Physician1497492417
  6. Stephanie Aung, MDFamily Medicine Physician1144450529

Verify Annie Derthick in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license PS1563
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score60.7
  2. Costout of 100 · 30%70.8
  3. Promoting interoperabilityout of 100 · 25%98.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Annie Derthick among 260 psychologist records in Maine

Annie Derthick, PHD is one of 260 psychologist records with a practice address in Maine. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 80% of them.

  • NPI issued2015 · 80% of these records are older, 17% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 23% of these records are
  • Record last updated2026 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Maine

There are 260 psychologist records in Maine.

The 8 psychologist records with the nearest ZIP codes

  1. James Cogan, PH.DLewiston, ME 042401386682466
  2. Louis Douglass, PH.D.Lewiston, ME 042401598877979
  3. Frank EllisLewiston, ME 042401053627133
  4. Linda Horn, APRNLewiston, ME 042401609889732
  5. Catherine Leschey, PSYDLewiston, ME 042401619060241
  6. Mackenna Murtagh, PSY.D.Lewiston, ME 042401497228142
  7. Ira Rosen, PH DLewiston, ME 042401407957640
  8. George Sheckart, PHDLewiston, ME 042401124078753

Common questions

What is Annie Derthick, PHD's NPI number?

Annie Derthick, PHD's National Provider Identifier (NPI) is 1689039422, issued on Dec 21, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Annie Derthick, PHD located?

The NPPES record lists a practice address at 76 High St, Lewiston, ME, 04240. Phone: (207) 795-2800. Providers update this record themselves, so call before visiting.

How can I verify Annie Derthick, PHD's license?

NPPES lists Maine license number PS1563, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

What is Annie Derthick, PHD's MIPS final score?

The 2023 MIPS final score is 84 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.