Dr. Mark S. Chesnutt
- Gender: Male
- Experience: 35 years
- Graduated from: Oregon Health Sciences University School Of Medicine
- Graduation year: 1986
- Sole propriator: No
- NPI: 1891892667
Dr. Mark S. Chesnutt MD
Pulmonologist
He is located at 3181 Southwest Sam Jackson Park Road in Portland, OR 97239. Can help patients with the following: Atherosclerosis, Bronchiectasis, Cystitis, Hyperlipidemia, Pulmonary Embolism (PE), Pulmonary Hypertension (PH). His National Provider Identifier (NPI) number is 1891892667. Appointment can be made via the phone number (503) 494-7660. He is affiliated with 2 practices.
Conditions treated
Dr. Mark Sherman Chesnutt, being an pulmonologist, 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 S. Chesnutt.
- Abdominal Pain
- Acute Pain
- Alpha-1 Antitrypsin Deficiency (AATD)
- Anemia
- Arthritis
- Asbestosis
- Asthma
- Atherosclerosis
- Bladder Control
- Blood Clots
- Bronchiectasis
- Bronchitis
- Chest Pain
- Cholecystitis
- Chronic Cough
- Chronic Obstructive Pulmonary Disease (COPD)
- Collapsed Lung
- Common Cold
- Constipation
- Cryptococcosis
- Cystic Fibrosis (CF)
- Cystitis
- Diarrhea
- Edema
- Embolism
- Emphysema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Lung Cancer
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Pleural Effusion
- Pleurisy
- Pneumonia
- Prescription Refill
- Pulmonary Aspiration
- Pulmonary Embolism (PE)
- Pulmonary Fibrosis (PF)
- Pulmonary Hypertension (PH)
- Sarcoidosis
- Sleep Apnea
- Sleep Disorders
- Smoking and Quitting Smoking
- Tuberculosis (TB)
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark S. Chesnutt as in-network for the following 2026 plans.
Health plans
Moda Health Plan, Inc.
Network data as of Sep 12, 2026, as reported by the insurer.
Show all 13 plans from Moda Health Plan, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Moda Health Affinity Bronze 8000 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Bronze 9000 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Bronze HDHP 7500 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Affinity Gold 1000 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Gold 1500 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Gold 250 | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Affinity Silver 3000 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 3400 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 4500 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Affinity Silver 6000 | EPO · Silver | Preferred | Accepting new patients |
| Moda Health Oregon Standard Bronze Affinity | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Moda Health Oregon Standard Gold Affinity | EPO · Gold | Preferred | Accepting new patients |
| Moda Health Oregon Standard Silver Affinity | EPO · Silver | Preferred | Accepting new patients |
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 | Accepting new patients |
| Core Bronze HSA 8300 | EPO · Expanded Bronze | Tier One | Accepting new patients |
| Core Gold 1500 | EPO · Gold | Tier Two | Accepting new patients |
| Core Gold 3000 | EPO · Gold | Tier Two | Accepting new patients |
| Core Silver 4500 | EPO · Silver | Tier Two | Accepting new patients |
| Core Silver 7500 | EPO · Silver | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Bronze HSA Plan Core | EPO · Expanded Bronze | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Gold Plan Core | EPO · Gold | Tier Two | Accepting new patients |
| PacificSource Oregon Standard Silver Plan Core | EPO · Silver | Tier Two | Accepting new patients |
Providence Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 7 plans from Providence Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect 1500 Gold | EPO · Gold | Connect | Not accepting new patients |
| Connect 6000 Silver | EPO · Silver | Connect | Not accepting new patients |
| Connect 9800 Bronze | EPO · Expanded Bronze | Connect | Not accepting 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 S. Chesnutt 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 S. Chesnutt is enrolled to bill Medicare as a Practitioner - Pulmonary Disease (also registered under: Practitioner - Critical Care (intensivists)) .
Bills through: University Professional Services
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.
Studies
OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1986Additional Specialities
- Internist
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Questions & Answers
Where can you meet with Dr. Mark Sherman Chesnutt?
Dr. Mark Sherman Chesnutt's office is located at 3181 Southwest Sam Jackson Park Road in Portland, OR 97239.
Does Dr. Mark Sherman Chesnutt accept insurance?
Dr. Mark Sherman Chesnutt is listed in-network for 29 ACA Marketplace (Obamacare/HealthCare.gov) plans from Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan. See the Marketplace plans section for details.
Does Dr. Mark Sherman Chesnutt have affiliation with practices?
Dr. Mark Sherman Chesnutt is affiliated with Ohsu Intercultural Psychiatric Program. For the full list of practices see this list.
What conditions does Dr. Mark Sherman Chesnutt treat?
Dr. Mark Sherman Chesnutt provides treatment for Atherosclerosis, Bronchiectasis, Cystitis, Hyperlipidemia, Pulmonary Embolism (PE), Pulmonary Hypertension (PH). For the full list see this list.