NOTICE: Office Closing May 15th 2020

Home / Doctors / Otolaryngology (ENT) / Randall K. Wenokur MD

Randall K. Wenokur

MD

Cardiology & Internal Medicine
Otolaryngology (ENT)
Antioch office
Sinus Center office
925-685-0917
Walnut Creek office
Internal Medicine office
Texting appointment line: 925-395-4023
Currently Not Accepting New Patients
Currently Not Accepting New Patients
Currently Not Accepting New Patients
Currently Not Accepting New Patients

Main Office

2700 Grant Street Suite 104 Concord, CA 94520
2400 Balfour Road Suite 300
Brentwood, CA 94513

Affiliations

John Muir Health Walnut Creek Medical Center
John Muir Health Concord Medical Center

Sub-specialties

About

Randall Wenokur, M.D. is certified by the American Board of Otolaryngology. He received his ear, nose, throat, head and neck surgery training at UCLA Medical Center. He then went on to take a full time faculty position at Harvard Medical School and Massachusetts Eye and Ear Infirmary. He has presented his research at national meetings and has numerous research articles published in peer review academic journals. Dr. Wenokur has been treating patients in Contra Costa County since 1996 and is an active staff member at both John Muir Medical Center Concord and Walnut Creek hospitals. Dr. Wenokur has proficiency in treating all aspects of ear, nose, and throat problems, including snoring/sleep apnea (eastbaysnoring.com), sinus, and pediatrics. He has special interest and training in the treatment of voice disorders, and has cared for many professional voice users including internationally famous performers. Dr. Wenokur is very involved within the local medical community and has served on many hospital committees. He is a former Chief of Staff and Chief of the Department of Surgery at John Muir. Dr. Wenokur is on the board of the Pacific Voice Foundation.

Dr. Brian Chin practices advanced laparoscopic, bariatric, and general surgery at BASS Medical Group’s Walnut Creek and Brentwood offices. Dr. Chin is an expert in advanced minimally invasive surgery, including robot-assisted surgery. Dr. Chin has special expertise in the treatment of Morbid obesity (laparoscopic sleeve gastrectomy, laparoscopic Roux-en-Y gastric bypass, laparoscopic adjustable band placement, and revisional bariatric surgery), Abdominal wall hernias (laparoscopic inguinal, incisional, and ventral hernia repair), Hiatal hernias and paraesophageal hernias, Benign and malignant conditions of the upper gastrointestinal tract, including gastroesophageal reflux disease (laparoscopic Nissen fundoplication), achalasia (laparoscopic Heller myotomy), and benign and malignant stomach tumors, Gallbladder disease (laparoscopic cholecystectomy)

Benign and malignant solid organ disease (laparoscopic splenectomy, adrenalectomy, and pancreatectomy), Benign and malignant conditions of the colon and rectum, such as diverticulitis, colon cancer, and rectal cancer (laparoscopic colectomy), Venous disease (varicose veins, venous insufficiency, and venous stasis wounds).

Dr. Brian Chin was born and raised in the Bay Area. After graduating from Acalanes High School in Lafayette he ventured cross-country to coastal Maine, where he graduated magna cum laude from Bowdoin College with a bachelor’s degree in physics and mathematics. From there, he went on to earn a master’s degree in applied physics from Columbia University. He earned his medical degree at the University of Michigan Medical School, then returned to California for his surgery residency at the University of California at San Diego, where he won the Department of Medicine’s Halasz Award for surgical consultation and the Department of Surgery’s Chairman’s Prize for teaching and service excellence. Additionally, he served as administrative chief resident. Following residency, Dr. Chin completed a fellowship in bariatric and advanced laparoscopic surgery at the University of California at San Francisco, working alongside world-renowned leaders at the forefront of laparoscopic surgery. Dr. Brian Chin is board certified in surgery by the American Board of Surgery and in advanced trauma life support by the American College of Surgeons. Dr. Chin also serves as a trauma surgeon at the John Muir Medical Center, which is certified as a level II trauma center by the American College of Surgeons and is Contra Costa County’s only trauma center. He sees patients in Walnut Creek and Brentwood.

Brian D. Hopkins M.D. is a private practice, board-certified urologist who has been practicing in the East Bay since 2000. In addition to being a diplomate of the American Board of Urology, he maintains a board certification in Female Pelvic Medicine and Reconstructive Surgery.

Dr. Hopkins has particular expertise and interest in the surgical treatment of genitourinary cancer (including prostate, bladder, and kidney cancers), advanced laparoscopic and robotic surgery, female pelvic prolapse and incontinence, and complex genitourinary reconstructive surgery. He has been performing robotic surgery with the da Vinci robot since 2002, shortly after it received FDA approval. He was one of the first users of the technology.

Dr. Hopkins’ mission is to offer the best urologic care to his patients, with an emphasis on ensuring that they receive first-rate surgical care, with the latest and most innovative surgical techniques available.

Dr. Hopkins was born and raised in San Diego, California. He received his undergraduate education at UCLA, where he earned a Bachelor of Science in kinesiology-physiology. He attended USC for medical school, graduating in 1994. He then completed an additional 6 years of training at USC, including one year of surgical internship, one year of general surgery residency, three years of urological residency, and a final year as chief resident of urology. He received extensive experience in urologic oncology and urinary tract reconstruction using intestinal segments in patients undergoing bladder removal due to bladder cancer.

In addition to his busy clinical schedule, Dr. Hopkins has been active with many leadershi​p positions at the John Muir Medical Centers, including serving as chief of urology, chairman of surgery, and serving on the robotics steering committee as both a member and an advisor. He is also a member of the John Muir Cancer Committee and served as co-chairman of the Program in Urology from 2010 – 2016. Dr. Hopkins is a member of the American Urological Association, the American Urogynecologic Society, the American Association of Clinical Urologists, the Society of Laparoendoscopic Surgeons, Society of Robotic Urologic Surgery, the California Medical Association and the Alameda-Contra Costa Medical Association.

Dr. Hopkins enjoys spending time with his wife and two sons, playing golf, skiing, and spending time at the beach in San Diego.

Meet Dr. Hopkins and learn more about his approach to patient care:


Dr. Hopkins was featured on NBC Bay Area for treating patients with Benign Prostatic Hyperplasia (BPH) with a procedure called Urolift.

Dr. Audrey "Lisa" Arzamendi is double board-certified in internal medicine and endocrinology. Since 2012, she has specialized in diabetes, obesity and metabolism, thyroid disease (including Hashimoto's and Graves'), polycystic ovary syndrome (PCOS) and sex hormone disorders, adrenal and pituitary dysfunction, osteoporosis, parathyroid/calcium disorders, and thyroid and parathyroid nodules and cancers. She is highly trained in ultrasound-guided fine-needle aspiration (FNA) biopsy of the thyroid (99% diagnostic rate).

Dr. Arzamendi is committed to safe and established medical treatments, and prides herself on staying informed about emerging therapies and research-supported non-prescription options. She is experienced working with all forms of brand-name and generic thyroid medications, and as a type 1 diabetic herself, has first-hand knowledge of nearly all available prescription and technological diabetic treatments, to best support patients in selecting their optimal diabetes treatment regimens.

Dr. Arzamendi graduated with honors from Stanford University, with a BA in Human Biology and a concentration in Health & Human Performance.  She attended UC San Diego School of Medicine (receiving a federal NIH National Cancer Institute fellowship), and completed her internal medicine residency at Kaiser Pemanente’s Santa Clara Medical Center.  Her endocrinology training was completed at UC Davis Medical Center. She previously practiced in California's South Bay before relocating to open her practice in Walnut Creek in 2020. Dr. Arzamendi was a Stanford varsity athlete and still enjoys running, hiking, tennis, rowing, and other outdoor activities. She loves spending time with her husband and many pets, and looks forward to being your doctor!

Conditions Treated

  • Alternative and second opinions in surgical and non surgical conditions
  • Anal Abscess/Fistula
  • Anal Cancer
  • Anal Fissure
  • Anal Incontinence
  • Anal Warts
  • Anorectal Bleeding
  • Colonoscopy
  • Colon Cancer
  • Colorectal Cancer
  • Colorectal Cancer Screening
  • Colorectal Cancer Surgery
  • Constipation
  • Crohn's Disease
  • Diverticular Disease
  • Hemorrhoids
  • Inflammatory Bowel Disease
  • Ostomy
  • Pilonidal Disease
  • Polyps of the Colon & Rectum 
  • Pruritis - ani / anal itching 
  • Rectal Prolapse
  • Rectocele
  • Rectal Cancer
  • Ulcerative Colitis

Conditions Treated

  • Alternative and second opinions in surgical and non surgical conditions
  • Anal Abscess/Fistula
  • Anal Cancer
  • Anal Fissure
  • Anal Incontinence
  • Anal Warts
  • Anorectal Bleeding
  • Colonoscopy
  • Colon Cancer
  • Colorectal Cancer
  • Colorectal Cancer Screening
  • Colorectal Cancer Surgery
  • Constipation
  • Crohn's Disease
  • Diverticular Disease
  • Hemorrhoids
  • Inflammatory Bowel Disease
  • Ostomy
  • Pilonidal Disease
  • Polyps of the Colon & Rectum 
  • Pruritis - ani / anal itching 
  • Rectal Prolapse
  • Rectocele
  • Rectal Cancer
  • Ulcerative Colitis

Conditions Treated

  • Alternative and second opinions in surgical and non surgical conditions
  • Anal Abscess/Fistula
  • Anal Cancer
  • Anal Fissure
  • Anal Incontinence
  • Anal Warts
  • Anorectal Bleeding
  • Colonoscopy
  • Colon Cancer
  • Colorectal Cancer
  • Colorectal Cancer Screening
  • Colorectal Cancer Surgery
  • Constipation
  • Crohn's Disease
  • Diverticular Disease
  • Hemorrhoids
  • Inflammatory Bowel Disease
  • Ostomy
  • Pilonidal Disease
  • Polyps of the Colon & Rectum 
  • Pruritis - ani / anal itching 
  • Rectal Prolapse
  • Rectocele
  • Rectal Cancer
  • Ulcerative Colitis

Education

Medical School: Wayne State University School of Medicine in Detroit, Michigan
Internship: University of California Los Angeles
Residency: University of California Los Angeles

Media

For more information about BPH/enlarged prostate and the Urolift procedure, click the banner below:

Main Office

2700 Grant Street Suite 104 Concord, CA 94520

Affiliations

John Muir Health Walnut Creek Medical Center
John Muir Health Concord Medical Center

Sub-specialties

Patient Forms

New Patient PacketHIPAANew Patient RegistrationBASS Financial Policy

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