Accepting new patients

Dr. Kenneth Hammerman, MD

Gastroenterology •  Male • Age 74

  5 Reviews
Dr. Hammerman

Kenneth J Hammerman MD

2100 Webster St Ste 423 San Francisco, CA 94115
Accepting new patients

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(415) 923-3122

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(415) 923-3122

Dr. Kenneth Hammerman, MD is a gastroenterology specialist in San Francisco, CA and has been practicing for 43 years. He graduated from New York University School Of Medicine in 1969 and specializes in gastroenterology.

At a Glance

  • Explains conditions well • Patients said this doctor explains conditions well. See reviews
  • Practices at top hospital • America’s 100 Best Hospitals for Gastrointestinal Care Award™ See hospitals
  • Practices at top hospital • America's 250 Best Hospitals Award™ See hospitals

Insurance Check

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Dr. Hammerman accepts

Accepted insurance can change. Please double-check when making an appointment.

(415) 923-3122

Dr. Hammerman accepts the following insurance:

Aetna
Aetna HMO
Choice Plus POS II
Blue Cross Blue Shield
Blue Card PPO
Blue Cross Blue Shield of California
Advantage Preferred DirectAccess Plus PPO
Blue Cross Blue Shield of California PPO
Select Plus HMO
Cigna
Cigna HMO
Cigna PPO
Open Access Plus
MultiPlan
MultiPlan PPO

Background Check

No malpractice claims found for California
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Experience Check

Check Dr. Hammerman's experience treating your condition or procedure

Dr. Hammerman's Top Procedures and Conditions

Treatment Frequency
Celiac Disease
very high
very high

Treatment Frequency

Dr. Hammerman treats Celiac Disease more than 100% of his peers

Dr. Hammerman treats this condition more than 100% of his peers

Learn more about Celiac Disease
Gastrointestinal Malabsorption
very high
very high

Treatment Frequency

Dr. Hammerman treats Gastrointestinal Malabsorption more than 98% of his peers

Dr. Hammerman treats this condition more than 98% of his peers

Anoscopy
very high
very high

Treatment Frequency

Dr. Hammerman performs Anoscopy more than 93% of his peers

Dr. Hammerman performs this procedure more than 93% of his peers

Rating Includes other areas of care:

  • Anoscopy With Removal of Anal Tumor
Learn more about experience ratings

Dr. Hammerman's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Pain
  • Abscess
  • Abscess or Cyst Drainage or Aspiration
  • Anal or Rectal Pain
  • Anal Prolapse
  • Anemia
  • Anoscopy
  • Autoimmune Diseases
  • Barrett's Esophagus
  • Benign Neoplasm of the Digestive System
  • Benign Tumor
  • Blood Disorders
  • Cancer
  • Celiac Disease
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Cirrhosis
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Dehydration
  • Diaphragmatic and-or Hiatal Hernia
  • Diarrhea
  • Diverticulitis, Intestinal
  • Diverticulosis, Intestinal
  • Duodenal Ulcer
  • Duodenitis
  • Dysphagia
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • Enteritis
  • Esophageal Achalasia and Cardiospasm
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Diverticulum
  • Esophageal Ulcer
  • Esophageal Varices
  • Esophagitis
  • Gas-Bloat Syndrome
  • Gastric Ulcer
  • Gastritis
  • Gastroenterology Procedures
  • Gastroesophageal Reflux Disease (GERD)
  • Gastrointestinal Bleeding
  • Gastrointestinal Diseases
  • Gastrointestinal Malabsorption
  • Heartburn
  • Hemochromatosis
  • Hemorrhoids
  • Hepatitis B - Immune Response
  • Hepatitis C
  • Hernia
  • Indigestion
  • Inflammatory Bowel Disease
  • Intestinal Ischemia
  • Intestinal Obstruction
  • Irritable Bowel Syndrome
  • Lactose Intolerance
  • Liver Damage from Alcohol
  • Malnutrition
  • Nausea
  • Non-Alcoholic Fatty Liver Disease
  • Noninfectious Gastroenteritis and Colitis
  • Pancreatitis
  • Paracentesis
  • Peptic Ulcer
  • Pouchitis
  • Pyloric Stenosis
  • Reflux Esophagitis
  • Stomach and Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Stomal Ulcer
  • Ulcer
  • Ulcerative Colitis
  • Unexplained Weight Loss
  • Viral Hepatitis
  • Viral Infection
  • Vomiting Disorders

Dr. Hammerman's Reviews

Likelihood to recommend Dr. Hammerman

5.0

Based on 5 reviews

5 Stars
100%
(5)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
0%
(0)

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Average Reported Wait Time
  • Under 10 minutes
Dr. Hammerman's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness

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About Me

Care Philosophy

As a gastroenterologist, I believe that my patients are at the heart of my practice.

Specialties

  • Gastroenterology

Board Certifications

  • Gastroenterology
  • Internal Medicine
Learn why a board certification matters

Education

1976
Ucsf Medical Center
Fellowship Hospital
1974
Ucsf Medical Center
Residency Hospital
1971
Yale-New Haven Hospital
Residency Hospital
1970
Yale-New Haven Hospital
Internship Hospital
1969
New York University School Of Medicine
Medical School

Languages

  • Chinese
  • German
  • Spanish
  • Tagalog
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Awards

  • Healthgrades Honor Roll
Learn more about recognized doctors

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Hammerman treats patients.

Learn more

66% Patient experience rating, 3% lower than the national average

  • America’s 100 Best Hospitals for Gastrointestinal Care Award™ (2020, 2019, 2018)
  • General Surgery Excellence Award™ (2020, 2019, 2018)
  • America's 250 Best Hospitals Award™ (2018, 2017)