Doctor profile · Federal record

Dr. Chantell Unnerstall, OTRL CHT

Hand Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Washington, MO

  • NPI 1831281120
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2022 Phoenix Dr
Washington, MO 63090
(636) 239-9979
fax (636) 239-5442
Mailing address
13537 Barrett Parkway Dr, Ste 105
Ballwin, MO 63021

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
225XH1200X — NUCC code
State license (1)
Missouri #004891

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831281120. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
609
Distinct HCPCS
6
Medicare allowed
$16,844
HCPCS Description Services Patients Avg allowed
97530 Therapy procedure using functional activities 240 18 $29
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 166 18 $21
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 134 15 $24
97760 Training in the use of orthopedic device for arm, leg and/or trunk, each 15 minutes 30 15 $33
97535 Training for self-care or home management, each 15 minutes 21 19 $23
97166 Evaluation for occupational therapy, typically 45 minutes 18 17 $93

In context: peer comparison

Among 1 peers in Washington Hand Occupational Therapist, average services per provider: 101. This provider delivers 6.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Chantell Unnerstall's medical specialty?
Dr. Chantell Unnerstall practices Hand Occupational Therapist in Washington, MO.
Where does Dr. Chantell Unnerstall practice?
Dr. Chantell Unnerstall practices at 2022 Phoenix Dr, Washington, MO 63090. Office phone: 6362399979.
What is Dr. Chantell Unnerstall's NPI?
Dr. Chantell Unnerstall's National Provider Identifier (NPI) is 1831281120, issued by NPPES.
Does Dr. Chantell Unnerstall accept Medicare assignment?
Yes. Dr. Chantell Unnerstall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chantell Unnerstall commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using functional activities (HCPCS 97530); Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure to re-educate brain-to-nerve-to-muscle function (HCPCS 97112). Source: CMS Medicare Physician & Other Practitioners file.