Doctor profile · Federal record

Dr. Mark Plessman, OTR/L

Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Casper, WY

  • NPI 1326060658
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2665 E 2Nd St
Casper, WY 826092045
(307) 337-1740
fax (307) 337-1739
Additional location
201 E 2Nd St, Suite 12/18
Casper, WY 826012582
(307) 472-3327
fax (307) 472-0297

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 13, 2022
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
225X00000X — NUCC code
State license (1)
Wyoming #OTR-600
Medicaid
WY #120069100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326060658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,430
Distinct HCPCS
3
Medicare allowed
$35,344
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 961 26 $24
97140 Therapy procedure using manual technique, each 15 minutes 443 25 $22
97165 Evaluation for occupational therapy, typically 30 minutes 26 25 $100

In context: peer comparison

Among 6 peers in Casper Occupational Therapist, average services per provider: 798. This provider delivers 1.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Plessman's medical specialty?
Dr. Mark Plessman practices Occupational Therapist in Casper, WY.
Where does Dr. Mark Plessman practice?
Dr. Mark Plessman practices at 2665 E 2Nd St, Casper, WY 826092045. Office phone: 3073371740.
What is Dr. Mark Plessman's NPI?
Dr. Mark Plessman's National Provider Identifier (NPI) is 1326060658, issued by NPPES.
Does Dr. Mark Plessman accept Medicare assignment?
Yes. Dr. Mark Plessman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Plessman 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 manual technique (HCPCS 97140); Evaluation for occupational therapy, typically 30 minutes (HCPCS 97165). Source: CMS Medicare Physician & Other Practitioners file.