Provider Profile
Listed in the NPI registry as an occupational therapist, Karlie J. Trefethen, OT practices in Kennebunk, ME. Medicare claims data shows Karlie provided 1,148 services to 144 patients. The services billed most often include therapy procedure using functional activities, training for self-care or home management, each 15 minutes, and therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes. NPI 1831940683 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1 HUNTINGTON COMMON DR
Kennebunk, ME 04043
Within Occupational Therapy generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Brain and nerves
Chronic Conditions
Chronic pain
Cognitive
Daily Function
General wellness
Hand and arm
Infant and pediatric
Mobility & Safety
Nerve & Joint Pain
Neurological
Pediatric and sensory
Pelvic health
Sensory & Development
Vision
Most searched procedures
Brain and nerves
Cognitive
Cognitive & Vision
Daily Function
Everyday living
General OT
Hand and arm
Home & Safety
Infant and pediatric
Mobility & Equipment
Pain management
Pediatric & Sensory
Pediatric and sensory
Pelvic health
Specialized Rehab
Splints & Braces
Therapy & Rehab
Vision and brain
Workplace Rehab
1,148 services · 144 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Therapy procedure using functional activities | Treatment | 97530 |
492 | As often as other peers in Occupational Therapist |
| Training for self-care or home management, each 15 minutes | Treatment | 97535 |
462 | More often than most peers in Occupational Therapist |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
155 | Less often than most peers in Occupational Therapist |
| Evaluation for occupational therapy, typically 30 minutes | Treatment | 97165 |
28 | As often as other peers in Occupational Therapist |
| Evaluation for occupational therapy, typically 45 minutes | Treatment | 97166 |
11 | Less often than most peers in Occupational Therapist |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Karlie J. Trefethen is an occupational therapist in Kennebunk, ME. That is the designation recorded for this NPI in the federal registry.
NPI registry
Karlie J. Trefethen is listed at 1 Huntington Common Dr, Kennebunk, ME 04043. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (207) 292-7405. Contact the office directly to confirm availability and scheduling.
NPI registry
Karlie J. Trefethen's National Provider Identifier is 1831940683. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Karlie J. Trefethen attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Karlie J. Trefethen has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Karlie J. Trefethen provides treatments such as therapy procedure using functional activities and training for self-care or home management, each 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Karlie J. Trefethen. If this is you, claiming it is free.
Guide.md
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