Doctor profile · Federal record

Dr. Karen Wyss, P.T.

Physical Therapist (CMS: Physical Therapist in Private Practice) · Merrillville, IN

  • NPI 1407962327
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
521 E 86Th Ave, Suite J
Merrillville, IN 464106173
(219) 756-2722
fax (219) 736-2901

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 12, 2012
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
Indiana #05004039A
Medicaid
IN #200303320

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407962327. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,851
Distinct HCPCS
8
Medicare allowed
$151,057
HCPCS Description Services Patients Avg allowed
97140 Therapy procedure using manual technique, each 15 minutes 4,055 149 $19
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 1,849 156 $23
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 389 48 $25
97530 Therapy procedure using functional activities 269 37 $31
97032 Application of electrical stimulation with therapist present, each 15 minutes 152 25 $10
97163 Evaluation for physical therapy, typically 45 minutes 50 49 $94
97162 Evaluation for physical therapy, typically 30 minutes 48 47 $94
97116 Therapy procedure for walking training, each 15 minutes 39 12 $20

In context: peer comparison

Among 5 peers in Merrillville Physical Therapist, average services per provider: 624. This provider delivers 11× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Wyss's medical specialty?
Dr. Karen Wyss practices Physical Therapist in Merrillville, IN.
Where does Dr. Karen Wyss practice?
Dr. Karen Wyss practices at 521 E 86Th Ave, Merrillville, IN 464106173. Office phone: 2197562722.
What is Dr. Karen Wyss's NPI?
Dr. Karen Wyss's National Provider Identifier (NPI) is 1407962327, issued by NPPES.
Does Dr. Karen Wyss accept Medicare assignment?
Yes. Dr. Karen Wyss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Wyss commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using manual technique (HCPCS 97140); 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.