Doctor profile · Federal record

Dr. Denise Dixon, PH.D.

Clinical Psychologist · Port Jefferson, NY

  • NPI 1457394983
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
646 Main St, 2Nd Floor, Suite 203
Port Jefferson, NY 117772235
(631) 456-9426
Mailing address
108 Rustic RD
Port Jefferson, NY 117772033

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
October 27, 2011
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
New York #015481
Medicaid
NY #02794076

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457394983. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
101
Distinct HCPCS
1
Medicare allowed
$16,516
HCPCS Description Services Patients Avg allowed
90791 Psychiatric diagnostic evaluation 101 101 $164

In context: peer comparison

Among 1 peers in this city , average services per provider: 101. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Denise Dixon's medical specialty?
Dr. Denise Dixon practices Clinical Psychologist in Port Jefferson, NY.
Where does Dr. Denise Dixon practice?
Dr. Denise Dixon practices at 646 Main St, Port Jefferson, NY 117772235. Office phone: 6314569426.
What is Dr. Denise Dixon's NPI?
Dr. Denise Dixon's National Provider Identifier (NPI) is 1457394983, issued by NPPES.
Does Dr. Denise Dixon accept Medicare assignment?
Yes. Dr. Denise Dixon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Denise Dixon commonly perform?
Top Medicare-reported procedures in 2023: Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.