Dr. Mark P. Cahill
- Gender: Male
- Experience: 15 years
- Graduated from: University Of Washington School Of Medicine
- Graduation year: 2006
- Sole propriator: No
- NPI: 1598957888
Dr. Mark P. Cahill MD
Gastroenterologist
He is located at 19250 Southwest 90th Avenue in Tualatin, OR 97062. Can help patients with the following: Celiac Disease, Eosinophilic Esophagitis, Heart Disease, Hot Flashes, Pancreas Divisum, Pancreatitis. His National Provider Identifier (NPI) number is 1598957888. Appointment can be made via the phone number (503) 692-3750. He is affiliated with 2 practices and 4 hospitals.
Conditions treated
Dr. Mark Patrick Cahill, being an gastroenterologist, 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 P. Cahill.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Mark P. Cahill
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mark P. Cahill 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 11 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 Qualified 7500 Bronze - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| HSA-E Qualified 7500 Bronze - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Choice Network | EPO · Expanded Bronze | Choice | Not accepting new patients |
| Providence Oregon Standard Bronze Plan - Signature Network | EPO · Expanded Bronze | EPO | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Choice Network | EPO · Gold | Choice | Not accepting new patients |
| Providence Oregon Standard Gold Plan - Signature Network | EPO · Gold | EPO | Not accepting new patients |
| Providence Oregon Standard Silver Plan - Choice Network | EPO · Silver | Choice | 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 P. Cahill 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 P. Cahill is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Gastroenterology) .
Bills through: The Oregon Clinic, Pc
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
| Pfizer | $111 |
| Takeda | $11 |
Other
| Food and Beverage | $123 |
Studies
UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated in 2006Additional Specialities
- Internist
Affiliated hospitals
Looking for more Gastroenterologists?
There are 6 other gastroenterologists in this region.
- Gender: Male
- Address: 19250 Southwest 90th Avenue Tualatin, 97062, OR
- Gender: Female
- Address: 19250 Southwest 90th Avenue Tualatin, 97062, OR
- Gender: Male
- Address: 19250 Southwest 90th Avenue Tualatin, 97062, OR
- Gender: Male
- Address: 19250 Southwest 90th Avenue Tualatin, 97062, OR
- Gender: Female
- Address: 19250 Southwest 90th Avenue Tualatin, 97062, OR
- Gender: Female
- Address: 19250 Southwest 90th Avenue Tualatin, 97062, OR
Questions & Answers
Does Dr. Mark Patrick Cahill have affiliation with practices?
Dr. Mark Patrick Cahill is affiliated with Oregon Clinic. For the full list of practices see this list.
Has Dr. Mark Patrick Cahill affiliation with hospitals?
Dr. Mark Patrick Cahill is affiliated with LEGACY MERIDIAN PARK MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. Mark Patrick Cahill treat?
Dr. Mark Patrick Cahill provides treatment for Celiac Disease, Eosinophilic Esophagitis, Heart Disease, Hot Flashes, Pancreas Divisum, Pancreatitis. For the full list see this list.
Does Dr. Mark Patrick Cahill accept patients with PacificSource Health Plans?
Yes, Dr. Mark Patrick Cahill 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 Patrick Cahill?
Dr. Mark Patrick Cahill's office is located at 19250 Southwest 90th Avenue in Tualatin, OR 97062.