Doctor profile · Federal record

Dr. Matthew Williams, OT

Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Athletic Trainer · Saint Louis, MO

  • NPI 1215364690
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5201 Mid America Plz Ste 2600
Saint Louis, MO 631290002
(314) 487-7000
fax (314) 487-7001
Additional location
1 Stevenson Dr
Lincolnshire, IL 600692824
(847) 415-4238
Mailing address
600 Oakmont Ln Ste 600
Westmont, IL 605595548

Credentials & registration

NPPES · NUCC
NPI registered
October 2013 — 13 yrs on file
Profile last updated
March 4, 2019
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
225X00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215364690. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
728
Distinct HCPCS
7
Medicare allowed
$21,078
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 285 28 $22
97530 Therapy procedure using functional activities 228 28 $32
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 104 25 $25
97140 Therapy procedure using manual technique, each 15 minutes 71 18 $21
97168 Re-evaluation for occupational therapy, typically 30 minutes 14 13 $66
97165 Evaluation for occupational therapy, typically 30 minutes 13 13 $98
97166 Evaluation for occupational therapy, typically 45 minutes 13 13 $98

In context: peer comparison

Among 25 peers in Saint Louis Occupational Therapist, average services per provider: 209. This provider delivers 3.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Williams's medical specialty?
Dr. Matthew Williams practices Occupational Therapist in Saint Louis, MO.
Where does Dr. Matthew Williams practice?
Dr. Matthew Williams practices at 5201 Mid America Plz Ste 2600, Saint Louis, MO 631290002. Office phone: 3144877000.
What is Dr. Matthew Williams's NPI?
Dr. Matthew Williams's National Provider Identifier (NPI) is 1215364690, issued by NPPES.
Does Dr. Matthew Williams accept Medicare assignment?
Yes. Dr. Matthew Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Williams 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.