NPPES file of Aug 9, 2026

William F. Mayer, PSY.D.

Psychologist · Southport, CT

William F. Mayer, PSY.D. is a psychologist with a practice address in Southport, Connecticut, and NPI 1932220159, issued on Apr 3, 2007. Check the license (Connecticut 002496, as entered in NPPES) with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1932220159
Name
William F. Mayer
Credential
PSY.D.
Primary taxonomy
Psychologist 103T00000X
License number
002496 CT
Self-reported in NPPES; status is on the state search
Practice location
411 Pequot Ave, Southport, CT 06890
Phone
(203) 939-1535
Enumerated
Apr 3, 2007
Record last updated
Jul 22, 2013 (not updated in 13 years: call before relying on the address or phone)
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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Verify William F. Mayer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 002496    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 Connecticut license search

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2 psychologist records list a practice address in Southport

They are 2 of the 127 NPPES records with a practice address in Southport, and 649 psychologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2 in Southport → All 649 in Connecticut → Every provider in Southport →

Other psychologist records in Connecticut

  1. David Abrams, PSY.D.Guilford, CT1427231752
  2. Joshua Acocella-Stollerman, PSY.D.East Haddam, CT1043515356
  3. Harry Adamakos, PH.D.Bridgeport, CT1225172786
  4. Ragne Adams, M. A.New Haven, CT1922260306
  5. Thomas Adams, PHDNew Haven, CT1639683188
  6. Jessica Addington, PSY.D.Glastonbury, CT1881817013
  7. Frederic Agate, PHDDarien, CT1699501353
  8. Rosemary AielloPlainville, CT1649318304
  9. Maysa AkbarNew Haven, CT1720056864
  10. Eguono Akpoduado, PSY.D.Groton, CT1245956978

Common questions

What is William F. Mayer, PSY.D.'s NPI number?

William F. Mayer, PSY.D.'s National Provider Identifier (NPI) is 1932220159, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William F. Mayer, PSY.D. located?

The NPPES record lists a practice address at 411 Pequot Ave, Southport, CT, 06890. Phone: (203) 939-1535. Providers update this record themselves, so call before visiting.

How can I verify William F. Mayer, PSY.D.'s license?

NPPES lists Connecticut license number 002496, as entered by the provider. Search the Connecticut 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.