Doctor profile · Federal record

Dr. Martin Grebel, PH.D.

Clinical Psychologist · Madison, CT

  • NPI 1982769667
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21 Kingsbridge Way
Madison, CT 064433407
(203) 605-7591
fax (860) 443-5990

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
March 17, 2023
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Connecticut #000433

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982769667. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
359
Distinct HCPCS
1
Medicare allowed
$54,375
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 359 16 $151

In context: peer comparison

Among 1 peers in this city , average services per provider: 359. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin Grebel's medical specialty?
Dr. Martin Grebel practices Clinical Psychologist in Madison, CT.
Where does Dr. Martin Grebel practice?
Dr. Martin Grebel practices at 21 Kingsbridge Way, Madison, CT 064433407. Office phone: 2036057591.
What is Dr. Martin Grebel's NPI?
Dr. Martin Grebel's National Provider Identifier (NPI) is 1982769667, issued by NPPES.
What procedures does Dr. Martin Grebel commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.