Dr. Mark A. Backus
- Gender: Male
- Experience: 28 years
- Graduated from: Duke University School Of Medicine
- Graduation year: 1993
- Sole propriator: No
- NPI: 1588693105
Dr. Mark A. Backus M.D.
Internist
He is located at 2239 Northeast Doctors Drive Suite 200 in Bend, OR 97701. Can help patients with the following: Acute Pain, Common Cold, Diarrhea, Hyperlipidemia, Hyponatremia, Urethritis. His National Provider Identifier (NPI) number is 1588693105. Appointment can be made via the phone number (541) 318-0124. He is affiliated with 3 practices and 3 hospitals.
Conditions treated
Dr. Mark A. Backus, being an internist, 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. Backus.
- Abdominal Pain
- Acute Pain
- Aging In Place
- Anemia
- Anxiety
- Arthritis
- Asthma
- Atherosclerosis
- Autism
- Birth Control Counseling
- Bladder Control
- Breastfeeding and Lactation
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diabetes
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Hypothyroidism
- Infant Care
- Influenza
- Inguinal Hernia
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Peptic Ulcer
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Urethritis
- Urinary Tract Infection (UTI)
- Women's Health
Procedures Performed by Dr. Mark A. Backus
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark A. Backus as in-network for the following 2026 plans.
Health plans
PacificSource Health Plans
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 9 plans from PacificSource Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Core Bronze HSA 7500 | EPO · Expanded Bronze | Tier Two | Not accepting new patients |
| Core Bronze HSA 8300 | EPO · Expanded Bronze | Tier One | Not accepting new patients |
| Core Gold 1500 | EPO · Gold | Tier Two | Not accepting new patients |
| Core Gold 3000 | EPO · Gold | Tier Two | Not accepting new patients |
| Core Silver 4500 | EPO · Silver | Tier Two | Not accepting new patients |
| Core Silver 7500 | EPO · Silver | Tier Two | Not accepting new patients |
| PacificSource Oregon Standard Bronze HSA Plan Core | EPO · Expanded Bronze | Tier Two | Not accepting new patients |
| PacificSource Oregon Standard Gold Plan Core | EPO · Gold | Tier Two | Not accepting new patients |
| PacificSource Oregon Standard Silver Plan Core | EPO · Silver | Tier Two | Not accepting new patients |
Providence Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| HSA-E Qualified 7500 Bronze - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Signature Network | EPO · Gold | EPO | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Signature Network | EPO · Silver | EPO | Not 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. Backus is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Mark A. Backus is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Family Practice) .
Bills through: Cascade Internal Medicine Specialists Llc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| St. Jude Medical | $82 |
| Prometheus Laboratories | $20 |
| Medtronic | $17 |
Other
| Food and Beverage | $120 |
Studies
DUKE UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1993Additional Specialities
- Family Physician
Affiliated practices
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Questions & Answers
Does Dr. Mark A. Backus accept patients with PacificSource Health Plans?
Yes, Dr. Mark A. Backus is listed in-network for PacificSource Health Plans through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Dr. Mark A. Backus?
Dr. Mark A. Backus's office is located at 2239 Northeast Doctors Drive Suite 200 in Bend, OR 97701.
Has Dr. Mark A. Backus affiliation with hospitals?
Dr. Mark A. Backus is affiliated with ST CHARLES MEDICAL CENTER - BEND. For the full list of hospitals see this list.
Does Dr. Mark A. Backus have affiliation with practices?
Dr. Mark A. Backus is affiliated with St. Charles Prineville. For the full list of practices see this list.
What conditions does Dr. Mark A. Backus treat?
Dr. Mark A. Backus provides treatment for Acute Pain, Common Cold, Diarrhea, Hyperlipidemia, Hyponatremia, Urethritis. For the full list see this list.