39 Years of Experience
Who is Dr. Kogan, Gastroenterologist in Oakland, CA?
Dr. Mark Kogan, MD is a Gastroenterologist, who primarily practices in Oakland, CA with 2 additional practice locations. He has been practicing for over 39 years and is board certified. Dr. Kogan completed his residency at Univ Of Co Sch Of Med, Gastroenterology; North Shore Univ Hosp, Internal Medicine. Dr. Kogan is fluent in English, Spanish, and Tagalog, and is currently seeing new patients. Dr. Kogan’s practice accepts Kaiser Permanente, Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kogan’s office at (510) 234-5012.
What are Areas of Expertise for Dr. Kogan?
Dr. Mark Kogan, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Kogan empowers patients to confidently navigate their health journey, specializing in Colon Cancer Screening, Endoscopy, Inflammatory Bowel Disease, and comprehensive wellness support. Serving the Oakland, CA community, Dr. Kogan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Kogan go to medical school and complete their residency?
Residency: Univ Of Co Sch Of Med, Gastroenterology; North Shore Univ Hosp, Internal Medicine
Medical School: Northwestern Uniiversity
Is Dr. Kogan board certified as a Gastroenterologist?
Yes, Dr. Mark Kogan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Kogan speak?
Dr. Kogan and their clinical team can communicate with patients in the following languages:
English
Spanish
Tagalog
What conditions does a Gastroenterologist like Dr. Kogan typically treat?
As a Gastroenterologist, Dr. Kogan diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Kogan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
What procedures does a Gastroenterologist like Dr. Kogan typically perform?
As a Gastroenterologist, Dr. Kogan performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Kogan. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- Colonoscopy with Injections
- Colonoscopy
- Colorectal Cancer Screening Tests
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Wireless Esophageal pH Test
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
Does Dr. Kogan accept my insurance?
Dr. Kogan accepts most major insurance plans. Important: Please call our office at (510) 234-5012 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kogan accept in Oakland, CA?
Dr. Kogan in Oakland, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
Centene Corporation
Contra Costa
Hill Physicians Medical Group
Medicare
Other Health Care Provider
Sutter Health
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Kogan's office located?
Dr. Mark Kogan's Primary Practice
350 Hawthorne Ave Rm 2346
Oakland, CA 94609
(510) 234-5012
Would you like to schedule an appointment with Dr. Mark Kogan?
Dr. Kogan has appointments available at his Oakland, CA office, as well as 2 other locations. Please select a location, date, and time below.
What is Dr. Kogan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kogan's National Provider Identifier (NPI) number is 1780690313.
What common questions do patients ask about Dr. Kogan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kogan
What is Dr. Mark Kogan's specialty?
Dr. Kogan is a Gastroenterologist near Oakland, CA.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Mark Kogan affiliated with a ranked Castle Connolly Top Hospital?
No, Kogan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Alta Bates Summit Medical Center - Alta Bates Campus. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Mark Kogan accepting new patients in Oakland, CA?
Yes, Dr. Mark Kogan is accepting new patients at this time.
Does Dr. Mark Kogan offer online booking?
Yes, you can use online booking to schedule an appointment with Dr. Kogan, or call (510) 234-5012 for more information.
How can I make an appointment with Mark Kogan?
Please contact Dr. Kogan's office at (510) 234-5012 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Mark Kogan have?
Dr. Mark Kogan is certified by the American Board of Internal Medicine.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>