Gregory Macewan
Mental Health Counselor · New Haven, CT
Gregory Macewan is a mental health counselor with a practice address in New Haven, Connecticut, and NPI 1134378482, issued on Sep 11, 2008. Check the license with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Macewan
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- Practice location
- 425 George St, New Haven, CT 06511
- Phone
- (617) 877-7600
- Enumerated
- Sep 11, 2008
- Record last updated
- Jun 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (203) 688-3596
- Medicare enrollment
- Enrolled (PECOS I20130314000053); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 2,386 in Connecticut → Look up another NPI →
Also registered at 425 George St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Albright, M.S.Student in an Organized Health Care Education/Training Program1336998160
- Anahita Bassir Nia, M.D.Psychiatry Physician1861743403
- Belinda BreenPsychologist1174138457
- Rachelle Alexandra ChechikStudent in an Organized Health Care Education/Training Program1740928761
- Emily Cooney, PHD, DIPCLPSClinical Psychologist1609155621
- Autumn DeneaultStudent in an Organized Health Care Education/Training Program1568302958
Verify Gregory Macewan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Kerzner Associates PCFoxboro, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Macewan among 2,386 mental health counselor records in Connecticut
Gregory Macewan is one of 2,386 mental health counselor records with a practice address in Connecticut. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 14% of them.
- NPI issued2008 · 14% of these records are older, 83% newer
- In a Medicare fileYes · 5% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2011 · median 2016 among the 192 with a school on file
- Record last updated2010 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
99 mental health counselor records list a practice address in New Haven
They are 99 of the 9,793 NPPES records with a practice address in New Haven, and 2,386 mental health counselor records in Connecticut.
All 2,386 in Connecticut → Every provider in New Haven → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Lauren Arteaga, LCSWNew Haven, CT 065111669705539
- Lester Bentley, MSNew Haven, CT 065111356592075
- Derek Case, M.S.New Haven, CT 065111578804431
- Danielle Dilauro, M.A.New Haven, CT 065111811267263
- Matthew Ferreira, MSWNew Haven, CT 065111811262116
- Uta GosmannNew Haven, CT 065111437470192
- Rebecca Lehn, MSWNew Haven, CT 065111588672828
- Matthew Naclerio, M.S.W.New Haven, CT 065111740482314
Common questions
What is Gregory Macewan's NPI number?
Gregory Macewan's National Provider Identifier (NPI) is 1134378482, issued on Sep 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Macewan located?
The NPPES record lists a practice address at 425 George St, New Haven, CT, 06511. Phone: (617) 877-7600. Providers update this record themselves, so call before visiting.
How can I verify Gregory Macewan's license?
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. 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.