NOTICE: Office Closing May 15th 2020

Home / Doctors / Colon And Rectal Surgery / Ran S. Kim MD, FACS

Ran S. Kim

MD, FACS

Cardiology & Internal Medicine
Colon And Rectal Surgery
Antioch office
Sinus Center office
925-274-9004
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

365 Lennon Lane Suite 290 Walnut Creek, CA 94598
2400 Balfour Road Suite 300
Brentwood, CA 94513

Affiliations

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

Sub-specialties

Advanced Laparoscopic

Axonics - Sacral Nerve Modulation

About

Dr. Ran S. Kim earned his medical degree at Medical College of Pennsylvania in Philadelphia, Pennsylvania. He holds an undergraduate degree in B.S. in Pharmacy at University of Connecticut in Storrs, Connecticut. He completed his internship and residency in General Surgery at John Hopkins Medical Center in Baltimore, Maryland; Stanford University Hospital in Palo Alto, California; and Nassau County Medical Center in East Meadow, Long Island, New York and went on with his fellowship training in Colon & Rectal Surgery at Lehigh Valley University Hospital in Allentown, Pennsylvania. He is a board certified and diplomate in American Board of Surgery. Dr. Kim is a member of Alameda-Contra Costa County Medical Associations; Northern California Society of Colon & Rectal Surgeons; Northwestern Society of Colon & Rectal Surgeons; American College of Surgeons; and American College of Colon & Rectal Surgeons. He has been a President, Northern California Society of Colon & Rectal Surgeons. He served as Chairman, Department of Surgery at John Muir Medical Center in Concord, California. He has also preceptored several surgeons nationally in laparoscopic and robotic techniques in colon and rectal surgery. Dr. Kim joined Bay Area Colon & Rectal Surgeons a division of BASS Medical Group in August, 2000.

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: Medical College of Pennsylvania in Philadelphia
Internship: John Hopkins Medical Center in Baltimore, MD
Residency: Nassau County Medical Center East Meadow in Long Island, New York and Stanford University Hospital in Palo Alto, California
Fellowship: Lehigh Valley University Hospital in Allentown, Pennsylvania

Media

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

Main Office

365 Lennon Lane Suite 290 Walnut Creek, CA 94598

Affiliations

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

Sub-specialties

Advanced Laparoscopic

Axonics - Sacral Nerve Modulation

Patient Forms

Patient Registration - Bay Area Colon & Rectal SurgeonsHemorrhoid Self-Care TipsPreparation for Rectal ExamPreparation for Flexible SigmoidoscopyHIPAANew Patient Packet - General BASS

Suffering from BPH?

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