Doctor profile · Federal record

Dr. Mark Spellmann, PHD

Cognitive & Behavioral Psychologist (CMS: Clinical Psychologist) · Cognitive & Behavioral Psychologist · New Fairfield, CT

  • NPI 1710244017
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
119 Ball Pond RD
New Fairfield, CT 068124536
(203) 546-7276

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
103TB0200X — NUCC code
State licenses (2)
Connecticut #3152 · New York #068120

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710244017. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
475
Distinct HCPCS
1
Medicare allowed
$74,955
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 475 18 $158

In context: peer comparison

Among 1 peers in New Fairfield Cognitive & Behavioral Psychologist, average services per provider: 475. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Spellmann's medical specialty?
Dr. Mark Spellmann practices Cognitive & Behavioral Psychologist in New Fairfield, CT.
Where does Dr. Mark Spellmann practice?
Dr. Mark Spellmann practices at 119 Ball Pond RD, New Fairfield, CT 068124536. Office phone: 2035467276.
What is Dr. Mark Spellmann's NPI?
Dr. Mark Spellmann's National Provider Identifier (NPI) is 1710244017, issued by NPPES.
Does Dr. Mark Spellmann accept Medicare assignment?
Yes. Dr. Mark Spellmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Spellmann commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.