Doctor profile · Federal record

Dr. Rion Kweller, PH.D.

Clinical Psychologist · Psychologist · Williamsville, NY

  • NPI 1447248026
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5500 Main St, Suite 308
Williamsville, NY 142216755
(716) 634-1184
fax (716) 634-3207

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
September 22, 2011
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
New York #009373

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447248026. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
116
Distinct HCPCS
1
Medicare allowed
$16,099
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 116 12 $139

In context: peer comparison

Among 1 peers in this city , average services per provider: 116. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Rion Kweller's medical specialty?
Dr. Rion Kweller practices Clinical Psychologist in Williamsville, NY.
Where does Dr. Rion Kweller practice?
Dr. Rion Kweller practices at 5500 Main St, Williamsville, NY 142216755. Office phone: 7166341184.
What is Dr. Rion Kweller's NPI?
Dr. Rion Kweller's National Provider Identifier (NPI) is 1447248026, issued by NPPES.
Does Dr. Rion Kweller accept Medicare assignment?
Yes. Dr. Rion Kweller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rion Kweller commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.