NPPES file of Aug 9, 2026

Delinda Mercer, PSYD

Clinical Psychologist · Portland, ME

Delinda Mercer, PSYD is a clinical psychologist with a practice address in Portland, Maine, and NPI 1437241445, issued on Sep 28, 2006. Check the license (Maine PS1586, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437241445
Name
Delinda Mercer
Credential
PSYD
Primary taxonomy
Clinical Psychologist 103TC0700X
License numbers
PS1586 ME
586 NE
Self-reported in NPPES; status is on the state search
Practice location
53 Baxter Blvd Ste 3, Portland, ME 04101
Phone
(207) 774-8700
Enumerated
Sep 28, 2006
Record last updated
Nov 21, 2025
Fax
(207) 253-1523
Medicare enrollment
Enrolled (PECOS I20230721002226); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 53 Baxter Blvd Ste 3

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

  1. Melissa Adams, LCSW, LADC, CCS,Clinical Social Worker1831549211
  2. Jennifer Anderson, LCSWClinical Social Worker1134420730
  3. Christine Bergeron, LCSWCounselor1982238580
  4. Mark Butkus, LCSWClinical Social Worker1861570293
  5. Cynthia Canales, LCSWClinical Social Worker1174285522
  6. Katherine Cusato, PSYDClinical Psychologist1942901327

Verify Delinda Mercer 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 PS1586
    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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Bills Medicare through one group practice

  1. The Counseling Center OF Nashua IncPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Delinda Mercer among 295 clinical psychologist records in Maine

Delinda Mercer, PSYD is one of 295 clinical psychologist records with a practice address in Maine. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 64% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1996 · median 2002 among the 83 with a school on file
  • Record last updated2025 · 70% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

70 clinical psychologist records list a practice address in Portland

They are 70 of the 6,022 NPPES records with a practice address in Portland, and 295 clinical psychologist records in Maine.

The 8 clinical psychologist records with the nearest ZIP codes

  1. Toby Ansfield, PHDPortland, ME 041011003977018
  2. Stephen Aronson, PHDPortland, ME 041011568490233
  3. Courtney Hale, PH.D.Portland, ME 041011952467474
  4. Susan Kohaut, PHDPortland, ME 041011255418497
  5. Michael Kramer, PH.D.Portland, ME 041011205976321
  6. William Leschey, PHDPortland, ME 041011235192477
  7. John O'Brien, PH.D.Portland, ME 041011720083504
  8. Marshall Robinson, PH.D.Portland, ME 041011356443857

Common questions

What is Delinda Mercer, PSYD's NPI number?

Delinda Mercer, PSYD's National Provider Identifier (NPI) is 1437241445, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Delinda Mercer, PSYD located?

The NPPES record lists a practice address at 53 Baxter Blvd Ste 3, Portland, ME, 04101. Phone: (207) 774-8700. Providers update this record themselves, so call before visiting.

How can I verify Delinda Mercer, PSYD's license?

NPPES lists Maine license number PS1586, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

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.