Barbara Kellogg Gannon, PSY.D.
Clinical Psychologist · Gloucester, MA
Barbara Kellogg Gannon, PSY.D. is a clinical psychologist with a practice address in Gloucester, Massachusetts, and NPI 1801406103, issued on Aug 3, 2020. Check the license (Massachusetts 7950-PY-PR, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Barbara Kellogg Gannon
- Credential
- PSY.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 7950-PY-PR MA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Western Ave Ste 209, Gloucester, MA 01930
- Phone
- (978) 290-2539
- Enumerated
- Aug 3, 2020
- Record last updated
- Aug 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 3,185 in Massachusetts → Look up another NPI →
Verify Barbara Kellogg Gannon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 7950-PY-PRCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Barbara Kellogg Gannon among 3,185 clinical psychologist records in Massachusetts
Barbara Kellogg Gannon, PSY.D. is one of 3,185 clinical psychologist records with a practice address in Massachusetts. 12% 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 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileNo · 12% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2020 · 71% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Psychologist providers in Massachusetts
There are 3,185 clinical psychologist records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,185 in Massachusetts → Every provider in Gloucester → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Ann Drake, PSY.DGloucester, MA 019301750426664
- William Heasley, PSY.D.Gloucester, MA 019301588728513
- Mark Konecky, PHDGloucester, MA 019301952458150
- Shayda Majidi-Ahi, PH.D.Essex, MA 019291568552784
- Jonathan Hall, PSY.D.Hamilton, MA 019361205022563
- Mark Hanson, PHDDanvers, MA 019231003984386
- David Helfand, PSYDDanvers, MA 019231215338140
- Margaret Hoddinott, PHDDanvers, MA 019231780607077
Common questions
What is Barbara Kellogg Gannon, PSY.D.'s NPI number?
Barbara Kellogg Gannon, PSY.D.'s National Provider Identifier (NPI) is 1801406103, issued on Aug 3, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Kellogg Gannon, PSY.D. located?
The NPPES record lists a practice address at 30 Western Ave Ste 209, Gloucester, MA, 01930. Phone: (978) 290-2539. Providers update this record themselves, so call before visiting.
How can I verify Barbara Kellogg Gannon, PSY.D.'s license?
NPPES lists Massachusetts license number 7950-PY-PR, as entered by the provider. Search the Massachusetts 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.