Doctor profile · Federal record

Dr. John Mahay, DPT

Physical Therapist (CMS: Physical Therapist in Private Practice) · Oak Lawn, IL

  • NPI 1033831847
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4710 W 95Th St Ste B6
Oak Lawn, IL 604532546
(708) 422-2960
Mailing address
10046 S Maplewood Ave
Chicago, IL 606551080

Credentials & registration

NPPES · NUCC
NPI registered
September 2022 — 4 yrs on file
Profile last updated
October 7, 2022
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
Illinois #070026970

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033831847. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,065
Distinct HCPCS
9
Medicare allowed
$81,812
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 914 121 $22
97530 Therapy procedure using functional activities 712 114 $33
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 644 116 $26
97150 Therapy procedure in a group setting 374 104 $14
97140 Therapy procedure using manual technique, each 15 minutes 236 73 $20
97535 Training for self-care or home management, each 15 minutes 84 62 $25
97164 Re-evaluation for physical therapy, typically 20 minutes 37 35 $72
97162 Evaluation for physical therapy, typically 30 minutes 33 32 $103
97161 Evaluation for physical therapy, typically 20 minutes 31 31 $103

In context: peer comparison

Among 30 peers in Oak Lawn Physical Therapist, average services per provider: 316. This provider delivers 9.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. John Mahay's medical specialty?
Dr. John Mahay practices Physical Therapist in Oak Lawn, IL.
Where does Dr. John Mahay practice?
Dr. John Mahay practices at 4710 W 95Th St Ste B6, Oak Lawn, IL 604532546. Office phone: 7084222960.
What is Dr. John Mahay's NPI?
Dr. John Mahay's National Provider Identifier (NPI) is 1033831847, issued by NPPES.
Does Dr. John Mahay accept Medicare assignment?
Yes. Dr. John Mahay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Mahay commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using functional activities (HCPCS 97530); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112). Source: CMS Medicare Physician & Other Practitioners file.