Doctor profile · Federal record

Dr. Karen Merrihew-Knox, RPT

Physical Therapist · Lake Placid, NY

  • NPI 1861578502
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 8 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
34 School St, Lake Placid Central School
Lake Placid, NY 12946
(518) 523-2474
Mailing address
54 Church St
Lake Placid, NY 12946
New York — 7 locations
Additional location
10 St Patrick Pl
Port Henry, NY 129741200
(518) 546-7151
Additional location
100 Industrial Parkway
Keeseville, NY 12944
(518) 834-1188
Additional location
279 New York RD
Plattsburgh, NY 129034425
(518) 324-8651
Additional location
6 Commerce Ln
Canton, NY 136173738
(315) 379-9571
Additional location
63 1/2 S Main St
Norwood, NY 136683168
(315) 353-6618
Additional location
9 Industrial Blvd
Plattsburgh, NY 129011910
(518) 563-0037
Additional location
91 Fay Brook Drive
Lake Clear, NY 12945
(518) 891-6565

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
August 10, 2023
Specialty taxonomy
225100000X — NUCC code
State license (1)
New York #005738

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861578502. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,162
Distinct HCPCS
6
Medicare allowed
$32,124
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 677 64 $23
97530 Therapy procedure using functional activities 184 45 $30
97116 Therapy procedure for walking training, each 15 minutes 183 37 $21
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 50 17 $29
97164 Re-evaluation for physical therapy, typically 20 minutes 38 29 $67
97161 Evaluation for physical therapy, typically 20 minutes 30 28 $97

In context: peer comparison

Among 1 peers in Lake Placid Physical Therapist, average services per provider: 193. This provider delivers 6.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Merrihew-Knox's medical specialty?
Dr. Karen Merrihew-Knox practices Physical Therapist in Lake Placid, NY.
Where does Dr. Karen Merrihew-Knox practice?
Dr. Karen Merrihew-Knox practices at 34 School St, Lake Placid, NY 12946. Office phone: 5185232474.
What is Dr. Karen Merrihew-Knox's NPI?
Dr. Karen Merrihew-Knox's National Provider Identifier (NPI) is 1861578502, issued by NPPES.
What procedures does Dr. Karen Merrihew-Knox 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 for walking training (HCPCS 97116). Source: CMS Medicare Physician & Other Practitioners file.