Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Gregory Macewan

Individual provider Mental Health Counselor · NPI 1134378482

Mr. Gregory Macewan is a Clinical Psychologist in New Haven, Connecticut. Qualified in 2011, 15 years ago. Practices with Kerzner Associates PC, a 12-clinician group, accepts Medicare assignment and offers telehealth.

Years since qualifying
15
In the registry since
2008
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

425 George St
New Haven, CT 06511-5410
Phone: (617) 877-7600
Fax: (203) 688-3596
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1134378482
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 11, 2008
Last updated in NPPESJune 9, 2010

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Kerzner Associates Pc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in New Haven