Male 71 years


Dr. Richard A Zak, MD



Gastroenterology   -  California,  Chico

 Overview

Dr. Richard A Zak, MD works in Chico, California is a specialist in Gastroenterology, Internal Medicine and graduated Cedars Sinai Med Center in 1983. Dr. Zak is affiliated with Enloe Medical Center, Feather River Hospital and practicing for 45 years

 Specialties

  • Gastroenterology
  • Internal Medicine

 Conditions

• Acupuncture Meridian Therapy
• Aneurysmal Bone Cyst
• Blindness
• Chronic Pain Management
• Cirrhosis
• da Vinci® Prostate Surgery
• Diabetic Retinopathy
• Duodenitis
• Dystonia 7, Torsion
• Endophthalmitis
  ...
• Esophageal Achalasia and Cardiospasm
• Ethmoidectomy (Sinus Surgery)
• Female Pelvic Disorders
• Herpes Simplex Virus Antenatal Infection
• Inflammatory Bowel Disease
• Islet Cell Adenoma
• Laparoscopic Salpingectomy
• Minimally Invasive Resection of Mediastinal Tumor
• Neuropathic Diseases and Disorders
• Orbital Fracture
• Panic Disorder With Agorapobia
• Polycystic Ovarian Syndrome
• Pterygium
• Radical Retropubic Prostate Removal
• Radiesse® Injections
• Renal Artery Stenosis (RAS)
• Restylane® Injections
• Retinal Laser Photocoagulation
• Retinal Testing
• Retrograde Pyetograms
• Scrambler Therapy (ST5)
• Screening Colonoscopy
• Shoulder Arthroscopy
• Stomach Surgery
• Thoracoscopic Segmentectomy
• Throat Swab
• Thromboendarterectomy or Excision of Infected Graft
• 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
• Diverticulum of Esophagus
• Duodenal Ulcer
• Duodenitis
• Dysphagia
• Endoscopy (Esophagus, Stomach, Small Intestine)
• Enteritis
• Esophageal Achalasia and Cardiospasm
• Esophageal Cancer
• Esophageal Varices
• Esophagitis
• Gas-Bloat Syndrome
• Gastric Ulcer
• Gastritis
• Gastroesophageal Reflux Disease (GERD)
• Gastrointestinal Bleeding
• Gastrointestinal Malabsorption
• Gastroparesis
• Heartburn
• Hemorrhoids
• Hepatitis B - Immune Response
• Hepatitis C
• Indigestion
• Intestinal Obstruction
• Irritable Bowel Syndrome
• Malnutrition
• Manometry
• Neoplasm of Gastrointestinal Tract
• Ulcerative Colitis
• Unexplained Weight Loss
• Vomiting Disorders
 more details

 Board Certifications

  • Board Certified by the American Board of Internal Medicine

 Years Since Graduation

  • 45

 State License

  • California

 Education & Training

Fellowship Hospital

Cedars Sinai Med Center

Los Angeles, CA, USA

Year completed: 1983

Internship Hospital

University Ill College Med

Chicago, IL, USA

Year completed: 1979

Medical School

University Of Illinois College Of Medicine Chicago

Chicago, IL, United States

Graduated: 1978

Residency Hospital

Westside Va Hospital University Ill College Med

Chicago, IL, USA

Year completed: 1981

 Awards

1   AGA
2   CALIFMA
3   California Medical Association

 Dr. Zak Reviews

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 Office Locations


Primary location

 Digestive Disease Associates
8 Governors Lane
California (CA)
Chico
95926
 Phone:(530) 894-8800
Additional data:
Free Standing Surgery Center?    No
Office Volume:    30 patients per day
Performs Procedures On Site?    Yes

Accepting New Patients

  • Yes
* Please verify this information when scheduling an appointment.

 Map & Directions



Digestive Disease Associates, 8 Governors Lane, Chico, California (CA), 95926




 Insurances Accepted (check insurance plans)

  • Advantage Preferred DirectAccess Plus PPO
  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Anthem Blue Cross Blue Shield PPO
  • Assurant Health
  • Blue Card PPO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • CHAMPVA
  • Choice Plus POS
  • Choice Plus POS II
  • Cigna
  • Cofinity
  • Cofinity PPO
  • Commercial
  • Commercial Insurance Company
  • GEHA
  • Government Employees Health Association (GEHA)
  • Great West Healthcare-Cigna PPO
  • Humana
  • Medicaid
  • Medicare
  • Medicare MCR
  • MultiPlan
  • MultiPlan PPO
  • Navigate HMO
  • Navigate POS
  • Options PPO
  • Pathway X Bronze Direct CACA IN HIX
  • PHCS Network PPO
  • Presbyterian Health Plan
  • United Healthcare
  • UnitedHealthCare
  • Wells Fargo Insurance

* Please verify this information when scheduling an appointment.

 Blog Posts

Blog Posts for Dr. Richard A Zak, MD are not present.

 Patients Questions

Patients questions for Dr. Richard A Zak, MD are not present.

 Affiliated Hospitals


Enloe Medical Center photo


Enloe Medical Center

1531 Esplanade California CA, Chico, 95926

Enloe Medical Center is a hospital located in Chico, CA. Procedures/Diagnosis costs are at the state average in 16 of 16 procedures. Length of Stay is shorter than the state average in 3 of 16 procedures.



Feather River Hospital photo


Feather River Hospital

5974 Pentz Road California CA, Paradise, 95969

Feather River Hospital is a hospital located in Paradise, CA. Procedures/Diagnosis costs are at the state average in 1 of 8 procedures. Length of Stay is at the state average in 6 of 8 procedures.



  •  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
    (6)
  • He is the best if you need help with panic attacks. He fixed up my medication and I feel better.
    31 January 2024
    (40)
  • 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
    (7)
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