Doctor profile · Federal record

Dr. Melissa Mahon, PSY.D.

Clinical Psychologist · Geneva, IL

  • NPI 1932304102
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
28 S 5Th St
Geneva, IL 601342111
(847) 287-0916
Additional location
1655 N Arlington Heights RD
Arlington Heights, IL 600043982
(847) 259-8583
Additional location
2285 Sequoia Dr
Aurora, IL 605066209
(630) 859-6700
Mailing address
863 Ravinia CT
Batavia, IL 605103213

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 10, 2020
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Illinois #071-008253

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932304102. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
171
Distinct HCPCS
1
Medicare allowed
$16,590
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 171 14 $97

In context: peer comparison

Among 1 peers in this city , average services per provider: 171. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Mahon's medical specialty?
Dr. Melissa Mahon practices Clinical Psychologist in Geneva, IL.
Where does Dr. Melissa Mahon practice?
Dr. Melissa Mahon practices at 28 S 5Th St, Geneva, IL 601342111. Office phone: 8472870916.
What is Dr. Melissa Mahon's NPI?
Dr. Melissa Mahon's National Provider Identifier (NPI) is 1932304102, issued by NPPES.
What procedures does Dr. Melissa Mahon commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.