- Dr. Dennis Y Zai, MD
-121.80555
37.98222
Dr. Dennis Y Zai, MD
Gastroenterology - California, Antioch
Overview
Dr. Dennis Y Zai, MD works in Antioch, California is a specialist in Gastroenterology, Internal Medicine and graduated University Of Illinois in 1974. Dr. Zai is affiliated with John Muir Medical Center - Concord, John Muir Medical Center - Walnut Creek, Sutter Delta Medical Center and practicing for 50 years
Specialties
- Gastroenterology
- Internal Medicine
Conditions
• Acupuncture Meridian Therapy• Aneurysmal Bone Cyst
• Back Pain
• Blindness
• Chronic Pain Management
• Cirrhosis
• da Vinci® Prostate Removal
• da Vinci® Prostate Surgery
• Diabetic Retinopathy
• Dystonia 7, Torsion
...
• Endophthalmitis
• Esophageal Achalasia and Cardiospasm
• Ethmoidectomy (Sinus Surgery)
• Female Pelvic Disorders
• Glaucoma - Ectopia Microspherophakia - Stiff Joints - Short Stature
• Guar Gum Allergy
• Herpes Simplex Virus Antenatal Infection
• Inflammatory Bowel Disease
• Islet Cell Adenoma
• Laparoscopic Salpingectomy
• Lens Disorders
• Lower Back Injuries
• Minimally Invasive Resection of Mediastinal Tumor
• Optic Ataxia
• Orbital Fracture
• Panic Disorder With Agorapobia
• Pinkeye (Conjunctivitis)
• Polycystic Ovarian Syndrome
• Primary Progressive Multiple Sclerosis
• Pterygium
• Radical Retropubic Prostate Removal
• Radiesse® Injections
• Renal Artery Stenosis (RAS)
• Restylane® Injections
• Retinal Laser Photocoagulation
• Retinal Testing
• Scrambler Therapy (ST5)
• Screening Colonoscopy
• Septal Perforation Repair
• Shoulder Arthroscopy
• Stomach Surgery
• Thoracoscopic Segmentectomy
• Throat Culture
• Throat Swab
• Thromboendarterectomy or Excision of Infected Graft
• Tonsillitis
• Vaginal Cancer
• Vulvar Cancer
more details
Procedures
• Abdominal Pain• Anemia
• Barrett's Esophagus
• Benign Neoplasm of the Digestive System
• Cholecystitis and Gallstones
• Cirrhosis
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Colorectal Cancer
• Crohn's Disease (Regional Enteritis)
• Diaphragmatic and-or Hiatal Hernia
...
• Diverticulitis, Intestinal
• Diverticulosis, Intestinal
• Duodenal Ulcer
• Duodenitis
• Dysentery
• Dysphagia
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Enteritis
• Esophageal Achalasia and Cardiospasm
• Esophageal Cancer
• Esophageal Ulcer
• Esophageal Varices
• Esophagitis
• Gas-Bloat Syndrome
• Gastric Ulcer
• Gastritis
• Gastroesophageal Reflux Disease (GERD)
• Gastrointestinal Bleeding
• Gastrointestinal Malabsorption
• Gastrojejunal Ulcer
• Gastroparesis
• Giardiasis
• Hemorrhoids
• Hepatitis B - Immune Response
• Hepatitis C
• Ileus
• Indigestion
• Intestinal Obstruction
• Irritable Bowel Syndrome
• Liver Biopsy
• Malnutrition
• Manometry
• Non-Neonatal Jaundice
• Pancreatitis
• Peptic Ulcer
• Pyloric Stenosis
• Stomach and Small Intestine Cancer
• Stomach Cancer
• Ulcerative Colitis
• Unexplained Weight Loss
• Vascular Insufficiency of Intestines
• Vomiting Disorders
more details
Board Certifications
- Board Certified by the American Board of Internal Medicine
Years Since Graduation
- 50
State License
- California
Education & Training
Internship Hospital
University Of Illinois
Chicago, IL, USA
Year completed: 1974
Chicago, IL, USA
Year completed: 1974
Awards
1 AGA
2 ASGE
Dr. Zai Reviews
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Add review
I would recommend this provider to a friend
I received a timely response to my questions and concerns.
I got an appointment when I needed one.
They kept things moving and on time during my visit.
I got an appointment when I needed one.
They kept things moving and on time during my visit.
I received a thorough evaluation.
I received a correct diagnosis and up-to-date treatment.
I was given specific advice on lifestyle changes I can make to improve my health.
I received a correct diagnosis and up-to-date treatment.
I was given specific advice on lifestyle changes I can make to improve my health.
I was given the medical information I needed in an understandable way.
The provider really listened, gave me the time I needed, and put me at ease.
We discussed treatment options and choices I have.
The provider addressed traditional and alternative medicine treatment options in an open-minded way.
The provider really listened, gave me the time I needed, and put me at ease.
We discussed treatment options and choices I have.
The provider addressed traditional and alternative medicine treatment options in an open-minded way.
The results of my care met my expectations.
Email address will not be published
Office Locations
Primary location
Keledjian Magant Aslan Mds
3903 Lone Tree Way Suite 205
California (CA)
Antioch
94509
Phone:(925) 754-8710
Other Office Locations
Zai Keledijan and Aslan Mds
2222 East Street Suite 300
California (CA)
Antioch
94520
Phone:(925) 682-7730
Accepting New Patients
- Yes
Map & Directions
Keledjian Magant Aslan Mds, 3903 Lone Tree Way Suite 205, Antioch, California (CA), 94509
Insurances Accepted (check insurance plans)
- Access Plus Savenet
- Advantage Preferred DirectAccess Plus PPO
- Aetna
- Aetna HMO
- Anthem Blue Cross
- Assurant Health
- Basic Exclusive PPO for Small Business
- Basic PPO
- Benesys
- Blue & Gold HMO
- Blue Card PPO
- Blue Cross Blue Shield
- Blue Cross Blue Shield of California
- Blue Cross Blue Shield of California PPO
- Blue Shield of California
- CaliforniaCare HMO
- CHAMPVA
- Choice Plus POS
- Choice Plus POS II
- Cigna
- Cigna HMO
- Cigna PPO
- Commercial Insurance Company
- Covered California - Bronze PPO
- Delta Health System
- Employer Group HMO
- Enhanced Exclusive for Small Business HMO
- First Health (Coventry Health Care)
- First Health (Coventry Health Care) PPO
- Great West Healthcare-Cigna PPO
- Health Net
- Health Net PPO
- Heritage Signature
- Humana
- Individual and Family PPO
- Local Access Plus HMO
- LocalPlus
- Mail Handlers Benefit Plan (MHBP)
- Medicare
- Medicare Advantage PFFS
- Medicare MCR
- Navigate HMO
- Navigate POS
- Open Access Plus
- Options PPO
- PacifiCare HMO
- Power Select HMO
- Premera Blue Cross
- Select Plus HMO
- Tricare
- United Healthcare
- UnitedHealthCare
- WholeCare Network HMO
* Please verify this information when scheduling an appointment.
Blog Posts
Blog Posts for Dr. Dennis Y Zai, MD are not present.
Patients Questions
Patients questions for Dr. Dennis Y Zai, MD are not present.
Affiliated Hospitals
John Muir Medical Center - Concord
2540 East Street
California CA,
Concord,
94520
John Muir Medical Center - Concord is a District Authority owned hospital located in Concord, CA. Procedures/Diagnosis costs are at the state average in 4 of 14 procedures. Length of Stay is shorter than the state average in 2 of 14 procedures.
John Muir Medical Center - Walnut Creek
1601 Ygnacio Valley Road
California CA,
Walnut Creek,
94598
John Muir Medical Center - Walnut Creek is a hospital located in Walnut Creek, CA. Procedures/Diagnosis costs are below the state average in 12 of 12 procedures. Length of Stay is at the state average in 8 of 12 procedures.
Sutter Delta Medical Center
3901 Lone Tree Way
California CA,
Antioch,
94509
Sutter Delta Medical Center is a hospital located in Antioch, CA. Procedures/Diagnosis costs are at the state average in 5 of 5 procedures. Length of Stay is at the state average in 5 of 5 procedures.
Specialists in Gastroenterology Antioch (CA):
Latest reviews for Gastroenterology specialists
- Dr. C. is a pleasant, professional caring and fun doctor. Answered all my questions on a keep it simple level and explained everything. He took his time. I will refer them when needed. What a great group!07 February 2024
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- Dr. Jungblut and staff are all professional, fun, conscientious. Been going here for a long time. My children and grandchildren now see Dr. Jungblut too.24 January 2024
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