Dr. John O'Holleran, MD

Dr. John O'Holleran, MD

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General Surgery  ·  
Male  ·  
58 y/o
(9)

Accepting new patients

Dr. John O'Holleran, MD is a general surgery specialist in San Carlos, CA and has been practicing for 27 years. He specializes in general surgery.

Palo Alto Medical Foundation

301 Industrial Rd

San Carlos, CA 94070
Get Directions

Insurance Accepted

  • Accepts most major Health Plans. Please contact our office for details.

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
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Experience Check

Check Dr. O'Holleran's experience treating your condition or procedure

Dr. O'Holleran's Top Procedures and Conditions

Treatment Frequency
Inguinal Hernia
very high
very high

Treatment Frequency

Dr. O'Holleran treats Inguinal Hernia more than 99% of his peers

Dr. O'Holleran treats this condition more than 99% of his peers

Ventral Hernia
very high
very high

Treatment Frequency

Dr. O'Holleran treats Ventral Hernia more than 98% of his peers

Dr. O'Holleran treats this condition more than 98% of his peers

Appendectomy, Laparoscopic
very high
very high

Treatment Frequency

Dr. O'Holleran performs Appendectomy, Laparoscopic more than 96% of his peers

Dr. O'Holleran performs this procedure more than 96% of his peers

Dr. O'Holleran's conditions and procedures:

  • Abdominal Disorders
  • Abdominal Mass
  • Abdominal Pain
  • Abdominal Surgery
  • Abscess
  • Abscess Incision and Drainage
  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Anal and Rectal Cancer
  • Anal Disorders
  • Anal Fissure
  • Anal or Rectal Pain
  • Anal Prolapse
  • Anal Repair
  • Aneurysm
  • Anorectal Abscess
  • Appendectomy
  • Appendectomy, Laparoscopic
  • Appendectomy, Open
  • Appendicitis
  • Arteriovenous Shunt Creation
  • Axillary Lymph Node Dissection
  • Benign Tumor
  • Biopsy
  • Biopsy of Breast
  • Bladder Surgery
  • Boil
  • Breast Cancer
  • Breast Cancer Surgery
  • Breast Diseases
  • Breast Infections
  • Breast Lump
  • Breast Reconstruction
  • Breast Reduction
  • Breast Surgical Procedure
  • Breast Tumor
  • Cancer
  • Cholecystitis and Gallstones
  • Cholelithiasis
  • Colectomy
  • Collapsed Lung (Pneumothorax)
  • Colon and Rectal Surgery
  • Colon Surgery
  • Colorectal Cancer
  • Constipation
  • Crohn's Disease
  • Cyst Incision and Drainage
  • Cystotomy
  • Destruction or Excision of Vaginal Lesions
  • Dialysis Access Procedures
  • Diaphragmatic and-or Hiatal Hernia
  • Diverticulitis
  • Dressing and-or Debridement of Wound, Infection, or Burn (incl. Negative Pressure Wound Therapy)
  • Enterostomy (Laparoscopic or Open)
  • Esophageal Cancer
  • Esophageal Diseases
  • Esophageal Surgery
  • Esophageal Varices
  • Excision of Breast Tumor
  • Excision of Rectal Tumor
  • Excision of Skin Lesion
  • Excision of Stomach Tumor
  • Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
  • Femoral Hernia Repair, Open
  • Fracture
  • Gallbladder and Biliary Tract Cancer
  • Gallbladder Cancer
  • Gallbladder Diseases
  • Gallbladder Removal
  • Gallbladder Removal (Cholecystectomy), Laparoscopic
  • Gallbladder Removal (Cholecystectomy), Open
  • Gallbladder Surgery
  • Gastric Bypass Surgery
  • Gastroenterology Procedures
  • Gastrointestinal Diseases
  • Gastrotomy
  • Gynecologic Cancer
  • Head and Neck Cancer
  • Head and Neck Surgery
  • Heart Surgery
  • Hemorrhoid Treatment
  • Hemorrhoidectomy or Excision of Anal Tags
  • Hemorrhoids
  • Hepatectomy
  • Hernia
  • Hernia Repair
  • Hidradenitis
  • Hyperparathyroidism
  • Incision and Removal of Foreign Object
  • Incisional Hernia
  • Incisional Hernia Repair, Laparoscopic
  • Inflammatory Bowel Disease
  • Inguinal Hernia
  • Inguinal Hernia Repair, Laparoscopic
  • Inguinal Hernia Repair, Open
  • Intestinal Abscess
  • Intestinal Obstruction
  • Intestinal Transplant (incl. Enterectomy)
  • Kidney Surgery
  • Laparoscopic Surgical Procedure
  • Laparotomy
  • Lipomas
  • Lumpectomy
  • Lung Cancer
  • Lung Surgery
  • Lymph Node Biopsy or Excision
  • Mastectomy
  • Meckel's Diverticulum
  • Neck Mass
  • Open Diaphragmatic and-or Paraesophageal Hiatal Hernia Repair
  • Open Incisional and-or Ventral Hernia Repair
  • Pancreatic Cancer
  • Paraesophageal Hernia Repair, Laparoscopic
  • Parathyroid (Gland) Tumor: Other than Malignant
  • Parathyroid Surgery
  • Parathyroidectomy
  • Partial Lung Collapse
  • Peripheral Arterial Aneurysm
  • Peripheral Arterial Aneurysm and Dissection
  • Peripheral Arterial Embolism and Thrombosis
  • Peripheral Artery Bypass
  • Peripheral Vascular Disease (PAD, PVD)
  • Pleural Effusion
  • Port Placements or Replacements
  • Pulmonary Disease
  • Pyloric Stenosis
  • Removal of Reproductive Organs (Hysterectomy, Oophorectomy, Salpingectomy, Salpingo-Oophorectomy, Resection of Peritoneal Malignancy)
  • Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
  • Renal Transplant and Nephrectomy
  • Secondary Malignancies
  • Skin Lesion
  • Skin Lesion Removal
  • Small Intestine Cancer
  • Splenectomy
  • Splenectomy and Splenorrhaphy
  • Stomach and Small Intestine Cancer
  • Stomach Cancer
  • Stomach Diseases
  • Stomach Surgery
  • Thoracentesis
  • Thoracoscopic Segmentectomy
  • Thoracoscopic Wedge Resection
  • Thrombosis
  • Thyroid Cancer
  • Thyroid Lobectomy
  • Thyroid Nodule
  • Thyroid Surgery
  • Thyroidectomy
  • Thyroidectomy or Thyroid Lobectomy
  • Ulcer
  • Ulcerative Colitis
  • Umbilical Hernia
  • Umbilical or Ventral Hernia Repair, Laparoscopic
  • Vaginal Surgery
  • Vascular Disease
  • Vascular Surgical Procedure
  • Ventral Hernia
  • Video-Assisted Thoracoscopic Surgery (VATS) or Thoracotomy
  • Wound Repair

About Me

Care Philosophy

I am a board certified General Surgeon whose area of interest is laparoscopic surgery, hernia surgery, and diseases of the breast. My philosophy is to inform the patient of their condition, "the more you know, the better off you are", making certain ...

Specialties

  • General Surgery

Board Certifications

Education

1992
St Joseph Hospital
Residency Hospital
1988
St Joseph Hospital
Internship Hospital
1987
University Of Nebraska / College Of Medicine
Medical School
1992
1988
1987

Awards

Dr. O'Holleran's Reviews

Likelihood to recommend Dr. O'Holleran

4.1

Based on 9 reviews

5 Stars
77.77777777777777%
(7)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
22.22222222222222%
(2)

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Average Wait Time
  • 10 – 15 minutes
Dr. O'Holleran's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness

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Locations

Insurance accepted

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

Accepts most major Health Plans. Please contact our office for details.

Affiliated Hospitals

Check the quality of care at hospitals where Dr. O'Holleran treats patients.

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Sequoia Hospital

Redwood City, CA

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