Dr. Ronald W. Demasi
- Gender: Male
- Experience: 29 years
- Graduated from: Brody School Of Medicine At East Carolina University
- Graduation year: 1992
- Sole propriator: Yes
- NPI: 1528139086
Dr. Ronald W. Demasi M.D.
Gastroenterologist
He is located at 1370 East Venice Avenue Suite 210 in Venice, FL 34285. Can help patients with the following: Ascites, Asthma, Autoimmune Hepatitis, Feeding and Swallowing, Hemorrhoids, Swallowing Disorders. His National Provider Identifier (NPI) number is 1528139086. Appointment can be made via the phone number (941) 584-6272. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. Ronald W. Demasi, 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. Ronald W. Demasi.
- 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. Ronald W. Demasi
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Ronald W. Demasi as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 20 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Clarity Silver | HMO · Silver | Preferred | Accepting new patients |
| Complete Gold (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Elite Bronze (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Everyday Bronze (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Gold (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Focused Silver (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Thrive Silver | HMO · Silver | Preferred | Accepting new patients |
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 7 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Clarity VALUE Silver | HMO · Silver | Preferred | Accepting new patients |
| Complete VALUE Gold | HMO · Gold | Preferred | Accepting new patients |
| Elite VALUE Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Focused VALUE Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze VALUE | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold VALUE | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver VALUE | HMO · Silver | Preferred | Accepting new patients |
Florida Blue (BlueCross BlueShield FL)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from Florida Blue (BlueCross BlueShield FL)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueOptions Bronze (HSA) 24J01-10 (Rewards / $4 Condition Care Rx) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-04 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-06 (Rewards) | PPO · Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-17 ($50 PCP Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-18S ($50 PCP Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-09 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-12 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-20S ($30 PCP Visits / $60 Specialist Visits / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-05 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-08 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-21S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-03 ($10 Labs / Rewards) | PPO · Silver | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-07 ($50 PCP Visits / Rewards) | PPO · Silver | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-19S ($40 PCP Visits / $80 Specialist Visits / Rewards) | PPO · Silver | Preferred | Accepting new patients |
Florida Blue HMO (a BlueCross BlueShield FL company)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 24 plans from Florida Blue HMO (a BlueCross BlueShield FL company)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCare Bronze (HSA) 24K01-09 (Rewards / $4 Condition Care Rx) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-03 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-05 (Rewards) | POS · Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-25 ($50 PCP Visits / $75 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-31S ($50 PCP Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-17 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-18 (Rewards) | POS · Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-23 ($50 PCP Visits / $75 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-26S ($50 PCP Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Gold 24K01-08 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K01-10 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K01-33S ($30 PCP Visits / $60 Specialist Visits / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K02-20 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K02-28S ($30 PCP Visits / $60 Specialist Visits / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-04 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-07 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-34S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K02-15 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K02-29S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Silver 24K01-02 ($10 Labs / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K01-06 ($50 PCP Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K01-32S ($40 PCP Visits / $80 Specialist Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K02-21 ($10 Labs / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K02-27S ($40 PCP Visits / $80 Specialist Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
Oscar Health Maintenance Organization of Florida
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 26 plans from Oscar Health Maintenance Organization of Florida
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic 4700 | with AdventHealth | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | with AdventHealth | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | with AdventHealth | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard | with AdventHealth | HMO · Gold | Preferred | Accepting new patients |
| Gold Elite Saver Plus | with AdventHealth | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple | with AdventHealth | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits (2 plan variants) | HMO · 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. Ronald W. Demasi 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. Ronald W. Demasi is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Demasi Digestive Health Pa
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
| Covidien | $1242 |
| Gilead Sciences | $548 |
| Echosens | $426 |
Other
| Food and Beverage | $4044 |
| Consulting | $1200 |
| Other | $20 |
Studies
BRODY SCHOOL OF MEDICINE AT EAST CAROLINA UNIVERSITY
Graduated in 1992Additional Specialities
- Internist
- Specialist
Looking for more Gastroenterologists?
There are 6 other gastroenterologists in this region.
- Gender: Male
- Address: 1041 Ridgewood Avenue Venice, 34285, FL
- Gender: Female
- Address: 825 Venetian Parkway Venice, 34285, FL
- Gender: Male
- Address: 1041 Ridgewood Avenue Venice, 34285, FL
- Gender: Male
- Address: 825 Venetian Parkway Venice, 34285, FL
- Gender: Female
- Address: 825 Venetian Parkway Venice, 34285, FL
- Gender: Male
- Address: 825 Venetian Parkway Venice, 34285, FL
Questions & Answers
Does Dr. Ronald W. Demasi have affiliation with practices?
Dr. Ronald W. Demasi is affiliated with Demasi Digestive Health PA.
Does Dr. Ronald W. Demasi accept patients with Florida Blue (BlueCross BlueShield FL)?
Yes, Dr. Ronald W. Demasi is listed in-network for Florida Blue (BlueCross BlueShield FL) through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Ronald W. Demasi treat?
Dr. Ronald W. Demasi provides treatment for Ascites, Asthma, Autoimmune Hepatitis, Feeding and Swallowing, Hemorrhoids, Swallowing Disorders. For the full list see this list.
Has Dr. Ronald W. Demasi affiliation with hospitals?
Dr. Ronald W. Demasi is affiliated with SARASOTA MEMORIAL HOSPITAL. For the full list of hospitals see this list.
Where can you meet with Dr. Ronald W. Demasi?
Dr. Ronald W. Demasi's office is located at 1370 East Venice Avenue Suite 210 in Venice, FL 34285.