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

Martin Grebel, PHD

Individual provider Clinical Psychologist · NPI 1982769667

Martin Grebel, PHD is a Clinical Psychologist in Madison, Connecticut. Qualified in 1970, 56 years ago. Practices as a sole proprietor. Licensed in Connecticut.

Years since qualifying
56
Licensed in
CT
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

21 Kingsbridge Way
Madison, CT 06443-3407
Phone: (203) 605-7591
Fax: (860) 443-5990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 000433 (CT)

Record details

NPI number1982769667
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 24, 2006
Last updated in NPPESMarch 17, 2023
Certification dateMarch 17, 2023
Mailing address21 Kingsbridge Way, Madison, CT 06443-3407

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 1970 (56 years in practice)
Accepts Medicare assignment Not indicated

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