Doctor profile · Federal record

Dr. Diane Kerr, PT

Physical Therapist (CMS: Physical Therapist in Private Practice) · Marriottsville, MD

  • NPI 1235232117
  • Accepts Medicare
  • MIPS 86.1 / 100 · 2023
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2470 Longstone Ln Ste K
Marriottsville, MD 211041515
(410) 442-2470
fax (410) 442-2476
Additional location
10030 Baltimore National Pike Ste D180
Ellicott City, MD 210423686
(410) 644-1880
Mailing address
2910 Beaver Lake CT
Ellicott City, MD 210427621

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
April 20, 2021
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
Maryland #16049

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235232117. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,912
Distinct HCPCS
10
Medicare allowed
$95,998
HCPCS Description Services Patients Avg allowed
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 1,267 90 $24
97530 Therapy procedure using functional activities 769 70 $38
G0283 Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care 686 70 $10
97140 Therapy procedure using manual technique, each 15 minutes 580 73 $22
97016 Application of blood vessel compression device 227 28 $10
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 158 31 $31
97150 Therapy procedure in a group setting 65 26 $15
97161 Evaluation for physical therapy, typically 20 minutes 60 51 $108
97535 Training for self-care or home management, each 15 minutes 58 50 $26
97035 Application of ultrasound, each 15 minutes 42 17 $12

In context: peer comparison

Among 2 peers in Marriottsville Physical Therapist, average services per provider: 315. This provider delivers 12× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diane Kerr's medical specialty?
Dr. Diane Kerr practices Physical Therapist in Marriottsville, MD.
Where does Dr. Diane Kerr practice?
Dr. Diane Kerr practices at 2470 Longstone Ln Ste K, Marriottsville, MD 211041515. Office phone: 4104422470.
What is Dr. Diane Kerr's NPI?
Dr. Diane Kerr's National Provider Identifier (NPI) is 1235232117, issued by NPPES.
Does Dr. Diane Kerr accept Medicare assignment?
Yes. Dr. Diane Kerr accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diane Kerr 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); Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (HCPCS G0283). Source: CMS Medicare Physician & Other Practitioners file.