Dr. Justin A. Horwitz
- Gender: Male
- Experience: 12 years
- Graduated from: Lake Erie College Of Osteopathic Medicine, Erie
- Graduation year: 2009
- Sole propriator: Yes
- NPI: 1528201670
Dr. Justin A. Horwitz D.O.
Gastroenterologist
He is located at 1125 South Alma School Road Suite 210 in Chandler, AZ 85286. Can help patients with the following: Atherosclerosis, Cholecystitis, Gastric Bypass Surgery, Leaky Gut Syndrome, Pancreatitis, Swallowing Disorders. His National Provider Identifier (NPI) number is 1528201670. Appointment can be made via the phone number (480) 256-4900. He is affiliated with 5 practices and 2 hospitals.
Conditions treated
Dr. Justin Adam Horwitz, 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. Justin A. Horwitz.
- 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. Justin A. Horwitz
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Justin A. Horwitz as in-network for the following 2026 plans.
Health plans
Blue Cross Blue Shield of Arizona
Network data as of Jun 29, 2026, as reported by the insurer.
Show all 21 plans from Blue Cross Blue Shield of Arizona
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AZ Blue ACA StandardHealth Silver with Health Choice (7 plan variants) | HMO · Silver | Acahealthchoice | Accepting new patients |
| AZ Blue AdvanceHealth Bronze Focus (4 Free PCP Visits) (5 plan variants) | HMO · Expanded Bronze | Focus | Not accepting new patients |
| AZ Blue AdvanceHealth Bronze Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Not accepting new patients |
| AZ Blue AdvanceHealth Gold Focus (4 Free PCP Visits) (5 plan variants) | HMO · Gold | Focus | Not accepting new patients |
| AZ Blue AdvanceHealth Gold Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Gold | Neighborhood | Not accepting new patients |
| AZ Blue AdvanceHealth Silver Focus (4 Free PCP Visits) (5 plan variants) | HMO · Silver | Focus | Not accepting new patients |
| AZ Blue AdvanceHealth Silver Neighborhood (4 Free PCP Visits) (7 plan variants) | HMO · Silver | Neighborhood | Not accepting new patients |
| AZ Blue EverydayHealth Gold Focus (1 Free PCP Visit) (3 plan variants) | HMO · Gold | Focus | Not accepting new patients |
| AZ Blue EverydayHealth Gold Neighborhood (1 Free PCP Visit) (7 plan variants) | HMO · Gold | Neighborhood | Not accepting new patients |
| AZ Blue EverydayHealth Prosano Gold ($0 Prosano Health Visits) (2 plan variants) | HMO · Gold | Focus Prosano | Not accepting new patients |
| AZ Blue EverydayHealth Prosano Silver ($0 Prosano Health Visits) (2 plan variants) | HMO · Silver | Focus Prosano | Not accepting new patients |
| AZ Blue EverydayHealth Silver Focus (1 Free PCP Visit) (3 plan variants) | HMO · Silver | Focus | Not accepting new patients |
| AZ Blue EverydayHealth Silver Neighborhood (1 Free PCP Visit) (7 plan variants) | HMO · Silver | Neighborhood | Not accepting new patients |
| AZ Blue Portfolio Bronze HSA Focus (5 plan variants) | HMO · Expanded Bronze | Focus | Not accepting new patients |
| AZ Blue Portfolio Bronze HSA Neighborhood (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Not accepting new patients |
| AZ Blue StandardHealth Bronze Focus (5 plan variants) | HMO · Expanded Bronze | Focus | Not accepting new patients |
| AZ Blue StandardHealth Bronze Neighborhood (7 plan variants) | HMO · Expanded Bronze | Neighborhood | Not accepting new patients |
| AZ Blue StandardHealth Gold Focus (5 plan variants) | HMO · Gold | Focus | Not accepting new patients |
| AZ Blue StandardHealth Gold Neighborhood (7 plan variants) | HMO · Gold | Neighborhood | Not accepting new patients |
| AZ Blue StandardHealth Silver Focus (5 plan variants) | HMO · Silver | Focus | Not accepting new patients |
| AZ Blue StandardHealth Silver Neighborhood (7 plan variants) | HMO · Silver | Neighborhood | Not accepting new patients |
Oscar Health Plan, Inc.
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 17 plans from Oscar Health Plan, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic Standard | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Bronze Simple Chronic Care CKM | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Buena Salud Bronce Simple Para Diabetes | HMO · Expanded Bronze | Preferred | Accepting new patients at some locations |
| Gold Classic | HMO · Gold | Preferred | Accepting new patients at some locations |
| Gold Classic Standard | HMO · Gold | Preferred | Accepting new patients at some locations |
| Gold Simple | HMO · Gold | Preferred | Accepting new patients at some locations |
| Gold Simple Diabetes | HMO · Gold | Preferred | Accepting new patients at some locations |
| Silver Classic Standard | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Elite Saver Plus | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Chronic Care CKM | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Diabetes | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple PCP Saver | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Specialist Saver with COPD | HMO · Silver | Preferred | Accepting new patients at some locations |
| Silver Simple Women's Health with Menopause Benefits | HMO · Silver | Preferred | Accepting new patients at some locations |
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. Justin A. Horwitz 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. Justin A. Horwitz is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Banner Physician Specialists Arizona 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
| Boston Scientific | $1464 |
| Takeda | $391 |
| AbbVie | $336 |
Other
| Food and Beverage | $1478 |
| Travel and Lodging | $1411 |
Studies
LAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated in 2009Additional Specialities
- Internist
Affiliated practices
Questions & Answers
Has Dr. Justin Adam Horwitz affiliation with hospitals?
Dr. Justin Adam Horwitz is affiliated with BANNER GATEWAY MEDICAL CENTER. For the full list of hospitals see this list.
Where can you meet with Dr. Justin Adam Horwitz?
Dr. Justin Adam Horwitz's office is located at 1125 South Alma School Road Suite 210 in Chandler, AZ 85286.
Does Dr. Justin Adam Horwitz have affiliation with practices?
Dr. Justin Adam Horwitz is affiliated with Prisma Health Medical Group-Midlands. For the full list of practices see this list.
Does Dr. Justin Adam Horwitz accept patients with Oscar Health Plan, Inc.?
Yes, Dr. Justin Adam Horwitz is listed in-network for Oscar Health Plan, Inc. through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Justin Adam Horwitz treat?
Dr. Justin Adam Horwitz provides treatment for Atherosclerosis, Cholecystitis, Gastric Bypass Surgery, Leaky Gut Syndrome, Pancreatitis, Swallowing Disorders. For the full list see this list.