Leonard G. Guitar, PSY.D.
Clinical Psychologist · Old Saybrook, CT
Leonard G. Guitar, PSY.D. is a clinical psychologist with a practice address in Old Saybrook, Connecticut, and NPI 1164570339, issued on Jan 6, 2007. Check the license (Connecticut 001434, 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.
- Name
- Leonard G. Guitar
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 001434 CT
Self-reported in NPPES; status is on the state search - Practice location
- 154 Main St, Old Saybrook, CT 06475
- Phone
- (860) 358-3923
- Enumerated
- Jan 6, 2007
- Record last updated
- Jun 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (860) 510-0628
- Medicaid ID
- 4118049 CT
- Entity
- Type 1 · individual
Also registered at 154 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Duperry, APRNFamily Nurse Practitioner1245994284
- Izabela Ferrer, DOFamily Medicine Physician1548882830
- Lucinda Hautaniemi, MDFamily Medicine Physician1437193273
- Robert Jones, MDFamily Medicine Physician1659513315
- Robyn Reilly, APRN, FNP-BCFamily Nurse Practitioner1316323397
- Nathan Scott, A.P.R.N.Family Nurse Practitioner1174868095
Verify Leonard G. Guitar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 001434Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17 clinical psychologist records list a practice address in Old Saybrook
They are 17 of the 308 NPPES records with a practice address in Old Saybrook, and 1,114 clinical psychologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17 in Old Saybrook → All 1,114 in Connecticut → Every provider in Old Saybrook →
Other clinical psychologist records in Connecticut
- Elizabeth AaronOld Greenwich, CT1124909981
- Deborah Abbott, PH.D.Guilford, CT1023223450
- Gina Abbott, PHDCheshire, CT1033402086
- William Abbott, PSY.DNorth Haven, CT1295991024
- Erica Abel, PH.D.West Haven, CT1982971222
- Jenna Adamowicz, PH.D.West Haven, CT1356271266
- Erin Adams, PSY.D..Westport, CT1760521728
- Lynette Adams, PH,D.West Haven, CT1346545472
- Patricia Adams, PH.DHartford, CT1336352004
- Michelle Albright, PHDWestport, CT1134525173
Common questions
What is Leonard G. Guitar, PSY.D.'s NPI number?
Leonard G. Guitar, PSY.D.'s National Provider Identifier (NPI) is 1164570339, issued on Jan 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Leonard G. Guitar, PSY.D. located?
The NPPES record lists a practice address at 154 Main St, Old Saybrook, CT, 06475. Phone: (860) 358-3923. Providers update this record themselves, so call before visiting.
How can I verify Leonard G. Guitar, PSY.D.'s license?
NPPES lists Connecticut license number 001434, 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.
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.