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Physical Therapist in Private Practice

Caroline N. Marnin, PT

Sees patients in Highlands Ranch, CO · Colorado

Summary

Caroline N. Marnin, PT is a physical therapist at 3996 Red Cedar Dr, Unit A6, Highlands Ranch, CO 80126. Phone: (303) 800-2829. Accepts Medicare assignment. In 2024, Caroline N. Marnin had 64 Original Medicare patients and 832 services. NPI 1073262770. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Physical therapist (Medicare lists Physical Therapist in Private Practice)
  • Address: 3996 Red Cedar Dr, Unit A6, Highlands Ranch, CO 80126 · Directions
  • Phone: (303) 800‑2829
  • Medicare: Accepts Medicare assignment
  • Group practice: TFL Provider Network LLC
  • School: graduated 2021
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Caroline N. Marnin, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Caroline N. Marnin accept Medicare assignment?
Yes. Medicare's clinician data says Caroline N. Marnin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Caroline N. Marnin see?
In 2024, CMS data shows 64 Original Medicare patients and 832 services for Caroline N. Marnin. This counts Original Medicare only and measures volume, not quality.
What is Caroline N. Marnin's NPI number?
1073262770. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Caroline N. Marnin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients64
Services billed to Medicare832
Different services or procedures12
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)319 services
  2. Therapy procedure using manual technique, each 15 minutes (97140)227 services
  3. Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)163 services
  4. Therapy procedure using functional activities (97530)46 services
  5. Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care (G0283)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • Arthritis73%
  • High blood pressure69%
  • High cholesterol61%
  • Depression31%
  • Diabetes27%
  • Chronic kidney disease22%

Practice locations

Addresses where Caroline N. Marnin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Caroline N. Marnin as a member of this group (CMS data updated October 2, 2026).

  • TFL Provider Network LLC24 clinicians in the group

Specialties

Find other clinicians: Physical Therapist in Private Practice, Colorado →

Other physical therapists in Highlands Ranch

Clinicians with the same Medicare primary specialty in Highlands Ranch, CO — not a recommendation.

All physical therapists in Highlands Ranch →

Other clinicians in TFL Provider Network LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialPT
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1073262770
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians