wisconsin
Specialties
Chiropractor
Dr. Mark A. Cassellius
Dr. Mark A. Cassellius

Dr. Mark A. Cassellius

  • Gender: Male
  • Experience: 37 years
  • Graduated from: Northwestern College Of Chiropractic
  • Graduation year: 1984
  • Sole propriator: Yes
  • NPI: 1669433462

Dr. Mark A. Cassellius D.C.

Chiropractor

He is located at 419 Sand Lake Road in Onalaska, WI 54650. Can help patients with the following: Back Pain, Carpal Tunnel Syndrome, Herniated Disc, Low Back Pain, Scoliosis, Whiplash. His National Provider Identifier (NPI) number is 1669433462. Appointment can be made via the phone number (608) 783-3307.

Conditions treated

Dr. Mark A. Cassellius, being an chiropractor, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Mark A. Cassellius.

  • Arthritis
  • Back Pain
  • Car Accident Injuries
  • Carpal Tunnel Syndrome
  • Fibromyalgia
  • Headache
  • Herniated Disc
  • Low Back Pain
  • Migraine
  • Muscle Pain
  • Neck Pain
  • Scoliosis
  • Whiplash

Procedures Performed by Dr. Mark A. Cassellius

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark A. Cassellius as in-network for the following 2026 plans.

Health plans

Medica

Network data as of Jul 18, 2025, as reported by the insurer.

Show all 27 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Engage by Medica Bronze HSA EPO · Expanded Bronze Preferred Accepting new patients
Engage by Medica Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Engage by Medica Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Engage by Medica Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Engage by Medica Gold Share EPO · Gold Preferred Accepting new patients
Engage by Medica Gold Standard EPO · Gold Preferred Accepting new patients
Engage by Medica Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Engage by Medica Silver Share EPO · Silver Preferred Accepting new patients
Engage by Medica Silver Standard EPO · Silver Preferred Accepting new patients
Essentia Choice Care with Medica Bronze HSA EPO · Expanded Bronze Preferred Accepting new patients
Essentia Choice Care with Medica Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Essentia Choice Care with Medica Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Essentia Choice Care with Medica Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Essentia Choice Care with Medica Gold Share EPO · Gold Preferred Accepting new patients
Essentia Choice Care with Medica Gold Standard EPO · Gold Preferred Accepting new patients
Essentia Choice Care with Medica Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Essentia Choice Care with Medica Silver Share EPO · Silver Preferred Accepting new patients
Essentia Choice Care with Medica Silver Standard EPO · Silver Preferred Accepting new patients
Medica Individual Choice Bronze HSA EPO · Expanded Bronze Preferred Accepting new patients
Medica Individual Choice Bronze Share EPO · Expanded Bronze Preferred Accepting new patients
Medica Individual Choice Expanded Bronze Standard EPO · Expanded Bronze Preferred Accepting new patients
Medica Individual Choice Gold $0 Copay PCP Visits EPO · Gold Preferred Accepting new patients
Medica Individual Choice Gold Share EPO · Gold Preferred Accepting new patients
Medica Individual Choice Gold Standard EPO · Gold Preferred Accepting new patients
Medica Individual Choice Silver $0 Copay PCP Visits EPO · Silver Preferred Accepting new patients
Medica Individual Choice Silver Share EPO · Silver Preferred Accepting new patients
Medica Individual Choice Silver Standard EPO · Silver Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Mark A. Cassellius is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Studies

NORTHWESTERN COLLEGE OF CHIROPRACTIC

Graduated in 1984

Looking for more Chiropractors?

Out of the 23 chiropractors in this region, here are 10 randomly selected ones for you to explore.

Dr. Benjamin W. Erlandson
  • Gender: Male
  • Address: Suite 4 1613 Main Street Onalaska, 54650, WI
Dr. Amy Kay Breidenbach
  • Gender: Female
  • Address: N5498 Saint Road 35 Onalaska, 54650, WI
Dr. Scott Joseph Cichosz
  • Gender: Male
  • Address: 1438 Main Street Onalaska, 54650, WI
Dr. Nicole Lynn Pleggenkuhle
  • Gender: Female
  • Address: Suite 105 923 12th Avenue South Onalaska, 54650, WI
Dr. Breann Marie Renner
  • Gender: Female
  • Address: 1857 Sand Lake Road Onalaska, 54650, WI
Dr. Christian Joseph Castellano
  • Gender: Male
  • Address: Suite 105 923 12th Avenue South Onalaska, 54650, WI
Dr. Jacob Peot
  • Gender: Male
  • Address: 1438 Main Street Onalaska, 54650, WI
Dr. Ashley Curtis
  • Gender: Female
  • Address: 619 Huff Street Suite 1 Winona, 55987, MN
Dr. Jennifer Jill Kolander
  • Gender: Female
  • Address: 826 2nd Avenue North Onalaska, 54650, WI
Dr. Renata M. Anderson
  • Gender: Female
  • Address: Suite 3 559 Braund Street Onalaska, 54650, WI

Questions & Answers

Does Dr. Mark A. Cassellius accept patients with Medica?

Yes, Dr. Mark A. Cassellius is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

What conditions does Dr. Mark A. Cassellius treat?

Dr. Mark A. Cassellius provides treatment for Back Pain, Carpal Tunnel Syndrome, Herniated Disc, Low Back Pain, Scoliosis, Whiplash. For the full list see this list.

Where can you meet with Dr. Mark A. Cassellius?

Dr. Mark A. Cassellius's office is located at 419 Sand Lake Road in Onalaska, WI 54650.