John F. Callahan, PH.D.
Clinical Psychologist · Hartford, CT
John F. Callahan, PH.D. is a clinical psychologist with a practice address in Hartford, Connecticut, and NPI 1346264421, issued on Jul 26, 2006. Check the license (Connecticut 001612, 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
- John F. Callahan
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 001612 CT
Self-reported in NPPES; status is on the state search - Practice location
- 664 Prospect Ave, Hartford, CT 06105
- Phone
- (860) 236-8087
- Enumerated
- Jul 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (860) 586-7422
- Medicare enrollment
- Enrolled (PECOS I20150319001340); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,114 in Connecticut → Look up another NPI →
Also registered at 664 Prospect Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Carlita Elias, PSY.DClinical Psychologist1245681386
- Aimee Golbert, MSWClinical Social Worker1235244690
Verify John F. Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 001612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John F. Callahan among 1,114 clinical psychologist records in Connecticut
John F. Callahan, PH.D. is one of 1,114 clinical psychologist records with a practice address in Connecticut. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 70% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 26% of these records are
- Graduated1989 · median 2000 among the 294 with a school on file
- Record last updated2007 · 72% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
113 clinical psychologist records list a practice address in Hartford
They are 113 of the 6,317 NPPES records with a practice address in Hartford, and 1,114 clinical psychologist records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,114 in Connecticut → Every provider in Hartford → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Jeffrey Burda, PSY.D.Hartford, CT 061051821293549
- Susan Burleson, PHDHartford, CT 061051912101692
- Nancy Eiswirth, PH.D.Hartford, CT 061051518981356
- Carlita Elias, PSY.DHartford, CT 061051245681386
- Jacqueline Guajardo, PH.DHartford, CT 061051437454717
- Elizabeth Houghton, PSY.D.Hartford, CT 061051205159811
- Andrew Meisler, PH.D.Hartford, CT 061051871605493
- Sarah Pearlman, PSY.DHartford, CT 061051588733190
Common questions
What is John F. Callahan, PH.D.'s NPI number?
John F. Callahan, PH.D.'s National Provider Identifier (NPI) is 1346264421, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John F. Callahan, PH.D. located?
The NPPES record lists a practice address at 664 Prospect Ave, Hartford, CT, 06105. Phone: (860) 236-8087. Providers update this record themselves, so call before visiting.
How can I verify John F. Callahan, PH.D.'s license?
NPPES lists Connecticut license number 001612, 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.