Doctor profile · Federal record

Dr. Nathan Oi, DPT

Physical Therapist (CMS: Physical Therapist in Private Practice) · Specialist · Chicago, IL

  • NPI 1669856837
  • Accepts Medicare
  • MIPS 92.8 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6255 S Archer Ave
Chicago, IL 60638
(773) 284-6735
fax (773) 284-6820
Additional location
2007 75Th St
Woodridge, IL 605172308
(630) 991-2454
fax (630) 991-2453
Mailing address
600 Oakmont Ln Ste 600C
Westmont, IL 605595548

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
January 16, 2019
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
225100000X — NUCC code
State licenses (2)
Illinois #070021378 · Illinois #07021378

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669856837. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,561
Distinct HCPCS
6
Medicare allowed
$45,717
HCPCS Description Services Patients Avg allowed
97530 Therapy procedure using functional activities 511 57 $35
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 392 52 $26
97140 Therapy procedure using manual technique, each 15 minutes 321 51 $22
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 302 59 $23
97162 Evaluation for physical therapy, typically 30 minutes 22 20 $105
97163 Evaluation for physical therapy, typically 45 minutes 13 13 $105

In context: peer comparison

Among 321 peers in Chicago Physical Therapist, average services per provider: 315. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Oi's medical specialty?
Dr. Nathan Oi practices Physical Therapist in Chicago, IL.
Where does Dr. Nathan Oi practice?
Dr. Nathan Oi practices at 6255 S Archer Ave, Chicago, IL 60638. Office phone: 7732846735.
What is Dr. Nathan Oi's NPI?
Dr. Nathan Oi's National Provider Identifier (NPI) is 1669856837, issued by NPPES.
Does Dr. Nathan Oi accept Medicare assignment?
Yes. Dr. Nathan Oi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Oi commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using functional activities (HCPCS 97530); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112); Therapy procedure using manual technique (HCPCS 97140). Source: CMS Medicare Physician & Other Practitioners file.