Dr. David Zack
- Gender: Male
- Experience: 29 years
- Graduated from: Philadelphia College Of Osteopathic Medicine
- Graduation year: 1992
- Sole propriator: No
- NPI: 1407955008
Dr. David Zack D.O.
Gastroenterologist
He is located at 4841 Monroe Street Suite 110 in Toledo, OH 43623. Can help patients with the following: Gallbladder Pain, General Care, Hemorrhoids, Hyperlipidemia, Inflammatory Bowel Disease (IBD), Intussusception. His National Provider Identifier (NPI) number is 1407955008. Appointment can be made via the phone number (419) 471-1317. He is affiliated with 2 practices and 5 hospitals.
Conditions treated
Dr. David Zack, 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. David Zack.
- 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. David Zack
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. David Zack as in-network for the following 2026 plans.
Health plans
Ambetter from Buckeye Health Plan
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter from Buckeye Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Choice Bronze HSA | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Choice Bronze HSA + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Clear Gold | HMO · Gold | Preferred | Accepting new patients |
| Clear Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Complete Silver | HMO · Silver | Preferred | Accepting new patients |
| Complete Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
Anthem Blue Cross and Blue Shield
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 11 plans from Anthem Blue Cross and Blue Shield
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Anthem Bronze Pathway 10600 ($0 Virtual PCP + $0 Select Drugs) | HMO · Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway 10600 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) | HMO · Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Bronze Pathway 8500 for HSA | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs) | HMO · Gold | Participating | Accepting new patients |
| Anthem Heart Healthy Bronze Pathway 6000 ($0 Virtual PCP + $0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Anthem Heart Healthy Silver Pathway 5000 ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway 4000 ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway 4000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway 5500 for HSA | HMO · Silver | Participating | Accepting new patients |
| Anthem Silver Pathway 6000 Standard ($0 Virtual PCP + $0 Select Drugs) | HMO · Silver | Participating | Accepting new patients |
CareSource
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 21 plans from CareSource
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze 7500 $25 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Core Gold 1500 $10 Generic Drugs | HMO · Gold | Preferred | Accepting new patients |
| Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Gold 3000 $0 Chronic Care Drugs & Services | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Diabetes Silver 5000 $0 Chronic Care Drugs & Services | HMO · Silver | Preferred | Accepting new patients |
| Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Gold 2000 $15 Generic Drugs | HMO · Gold | Preferred | Accepting new patients |
| Gold 2000 $15 Generic Drugs + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| HDHP Preventive Silver 5500 $0 Chronic Care Drugs | HMO · Silver | Preferred | Accepting new patients |
| Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services | HMO · Gold | Preferred | Accepting new patients |
| Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Gold | Preferred | Accepting new patients |
| Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services | HMO · Silver | Preferred | Accepting new patients |
| Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Low Premium Bronze 10600 $25 Generic Drugs | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Low Premium Silver 6200 $3 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
| Silver 6000 $20 Generic Drugs | HMO · Silver | Preferred | Accepting new patients |
| Silver 6000 $20 Generic Drugs + Adult Vision & Fitness | HMO · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 16, 2026, as reported by the insurer.
Show all 17 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care, No Referrals) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard (No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision, No Referrals) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard (No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard+ (Dental + Vision, No Referrals) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision, No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard (No Referrals) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard+ (Dental + Vision, No Referrals) | HMO · Silver | Non 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. David Zack 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. David Zack is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: Northwest Ohio Gastroenterology Associates Inc
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
| AbbVie | $912 |
| Takeda | $872 |
| Gilead Sciences | $319 |
Other
| Food and Beverage | $3830 |
| Consulting | $200 |
| Other | $17 |
Studies
PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated in 1992Additional Specialities
- Internist
Affiliated hospitals
Looking for more Gastroenterologists?
There are 8 other gastroenterologists in this region.
- Gender: Male
- Address: 4235 Secor Road Toledo, 43623, OH
- Gender: Male
- Address: Suite 110 4841 Monroe Street Toledo, 43623, OH
- Gender: Male
- Address: Suite 110 4841 Monroe Street Toledo, 43623, OH
- Gender: Male
- Address: Suite 110 4841 Monroe Street Toledo, 43623, OH
- Gender: Male
- Address: 4235 Secor Road Toledo, 43623, OH
- Gender: Female
- Address: Suite 110 4841 Monroe Street Toledo, 43623, OH
- Gender: Female
- Address: 4235 Secor Road Toledo, 43623, OH
- Gender: Male
- Address: 4235 Secor Road Toledo, 43623, OH
Questions & Answers
Does Dr. David Zack have affiliation with practices?
Dr. David Zack is affiliated with Nwo Gastroenterology Associates. For the full list of practices see this list.
Where can you meet with Dr. David Zack?
Dr. David Zack's office is located at 4841 Monroe Street Suite 110 in Toledo, OH 43623.
Does Dr. David Zack accept patients with Ambetter from Buckeye Health Plan?
Yes, Dr. David Zack is listed in-network for Ambetter from Buckeye Health Plan through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. David Zack affiliation with hospitals?
Dr. David Zack is affiliated with MERCY ST VINCENT MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. David Zack treat?
Dr. David Zack provides treatment for Gallbladder Pain, General Care, Hemorrhoids, Hyperlipidemia, Inflammatory Bowel Disease (IBD), Intussusception. For the full list see this list.