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Dr. John Gahagan, MD

General Surgery* Age 38
Dr. John Gahagan, MD
5.0 (1 Ratings)

Offers telehealth

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Dr. John Gahagan, MD is a General Surgeon in Emeryville, CA.
Dr. John Gahagan, MD
5.0 (1 Ratings)
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Dr. John Gahagan, MD

General Surgery* Age 38
Emeryville, CA
Call for new patient details
12 years of experience

Offers telehealth

Dr. John Gahagan, MD is a General Surgeon in Emeryville, CA.

About

Dr. Gahagan graduated from Wake Forest University. Dr. John Gahagan, MD is a General Surgeon in Emeryville, CA and has 12 years experience. Dr. Gahagan currently practices at Practice and are affiliated with Stanford Health Care Tri-Valley and Stanford Hospital. Dr. Gahagan has experience treating conditions like Anal Fissure and Constipation among other conditions at varying frequencies. Dr. Gahagan's office is not accepting new patients. Dr. Gahagan is board certified in Colon & Rectal Surgery and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

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Experience Check

Enter a condition or procedure
Anal Fissure
Constipation
Anal and Rectal Cancer
Anal Fissure
Constipation
Anal and Rectal Cancer
Abdominal Pain
Anal or Rectal Pain
Anorectal Abscess
Anorectal Fistula
Appendicitis
Colorectal Cancer
Crohn's Disease
Hemorrhoids
Ileus
  • View other providers who treat Ileus
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Obstruction
Anal Fistulectomy or Fistulotomy
Anoscopy
  • View other providers who treat Anoscopy
Colectomy
Destruction of Anal Tumor
Excision of Rectal Tumor
Gallbladder Removal
Hemorrhoidectomy or Excision of Anal Tags
Laparoscopic Gallbladder Removal (Cholecystectomy)
Parathyroidectomy
Procetectomy With Robotic Assist
Proctectomy
Wedge Resection Colon
Wound Repair
Acute Bowel Infarction
Adrenal Gland Cancer
Anal Sphincter Dysplasia
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Benign Neoplasm of the Digestive System
Biliary Atresia
Bone Cancer
Bowel Strangulation
Breast Cancer
Breast Lump
Cholangiocarcinoma
Cholecystitis and Gallstones
Congenital Anomaly Intestine
Diaphragmatic and Hiatal Hernia
Esophageal Varices
Gallstones
Gastric Ulcer
Gastroparesis
Hidradenitis
Hyperparathyroidism
Incisional Hernia
Inguinal Hernia
Intestinal Abscess
Intestinal Fistula
Intestinal Prolapse
Lipomas
  • View other providers who treat Lipomas
Liver Cancer
Lung Cancer
Neoplasm of Gastrointestinal Tract
Neuroendocrine Tumors
Parathyroid (Gland) Disease
Parathyroid (Gland) Tumor: Other than Malignant
Parathyroid Cancer
Pelvic Abscess
Peripheral Vascular Disease (PAD, PVD)
Phlebitis and Thrombophlebitis
Pleural Effusion
Pouchitis
Proctoptosis
Rectal Prolapse
Rectovaginal Fistula
Rib Fracture
Sclerosing Mesenteritis
Secondary Malignancies
Small Intestine Cancer
Thyroid Cancer
Thyroid Nodule
Traumatic Brain Injury
Ulcerative Colitis
Umbilical Hernia
Umbilical Hernia with Gangrene
Varicose Veins
Vascular Insufficiency of Intestines
Ventral Hernia
Vulvar Cancer
Abscess or Fluid Incision and Drainage
Adjacent Tissue Transfer
Anal Cauterization
Bladder Surgery
Bone Marrow Biopsy
Colectomy Laparoscopic
Colostomy
Enterostomy (Laparoscopic or Open)
Excision of Anal Tags
Excision of Stomach Tumor
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Fecal Impaction Removal
Gastrotomy
Intestinal Transplant (incl. Enterectomy)
Laparoscopic Appendectomy
Laparoscopic Incisional Hernia Repair
Laparoscopic Umbilical or Ventral Hernia Repair
Laparotomy
Lymph Node Biopsy or Excision
Open Appendectomy
Open Gallbladder Removal (Cholecystectomy)
Open Thymectomy
Port Placements or Replacements
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Resection of Bladder Neck
Skin Grafts
Soft Tissue Tumor Removal
Sphincterotomy
Thyroid Lobectomy
Thyroidectomy
Umbilical Hernia Repair Open
Vaginectomy
Ventral Hernia Repair Laparoscopic

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Blue Card PPO
  • Advantage Preferred DirectAccess Plus PPO
  • Blue Shield of California
    Bronze 60 SHOP PPO
    Platinum 90 PPO
    Bronze Full 4500 PPO
    Silver 70 PPO
  • Advantage Health Solutions HMO
  • Northern CA Cigna + Oscar Open Access Plus EPO
    Northern CA Cigna + Oscar LocalPlus EPO
  • First Health (Coventry Health Care) PPO
  • CA Employer Group Plans HMO
    CA Healthnet PPO
  • Curative PPO
    Curative PPO Plus
    Curative EPO
  • California Care Large Group HMO
    Pathway EPO
    Prudent Buyer Large Group CA PPO
    California Care Small Group HMO
    Prudent Buyer Individual CA PPO
    Prudent Buyer Small Group CA PPO
    Select CA HMO
  • Options PPO
    Medica Choice
    Nexus Open Access
    SignatureValue Alliance
    SignatureValue - CA HMO
    Choice Plus POS
  • Aetna
    Managed Choice (Open Access) POS
    Open Choice PPO
    Savings Plus of CA EPO
    Choice Plus POS II
    Premier Care Network Plus - Innovation Health
    Elect Choice (Open Access) EPO
    Deductible Plan CA Members Only HMO
  • Open Access Plus
    Cigna PPO

Locations

  1. 1 Stanford Health Care Emeryville 5800
    5800 Hollis St, Emeryville, CA 94608
    Monday
    09:00 - 16:00
  2. 2 Valley Medical Oncology Consultants
    5725 W Las Positas Blvd Ste 100, Pleasanton, CA 94588
  3. 3 Stanford Health Care-Valleycare
    5555 W Las Positas Blvd, Pleasanton, CA 94588
  4. 4 Stanford Hospital and Clinics
    300 Pasteur Dr, Stanford, CA 94305
  5. 5 California Surgical Associates
    5575 W Las Positas Blvd Ste 210, Pleasanton, CA 94588

Patient Satisfaction

Likelihood to recommend Dr. Gahagan
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
Jan 12, 2024
Dr. Gahagab has been been incredible regarding an issue that I have been dealing with for almost a year. It’s a complex situation to treat, and I had to have three surgeries but I finally see the light at the end of the tunnel. His care is impeccable. He is thorough with his communications and a caring and sensitive clinician. I am beyond grateful to have been referred to him and would highly recommend him to others.
— Jan 12, 2024
See more reviews on Healthgrades
Photo: Dr. John Gahagan, MD
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Dr. Gahagan's Office & Staff

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  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Gahagan

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  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Gahagan?
Call now to make an appointment
(510) 806-2100

About Me

Specialties*
General Surgery
Colorectal Surgery
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Wake Forest University
    2012
Medical Education

Board Certifications

Board Certifications
  • Colon & Rectal Surgery
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Gahagan communicate via email?
1 user said yes.
Yes
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Does Dr. Gahagan offer telehealth services or virtual visits?
1 user said yes.
Yes
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Does Dr. Gahagan offer an online patient portal?
1 user said yes.
Yes
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Does Dr. Gahagan have free onsite parking?
1 user said yes.
Yes
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Does Dr. Gahagan offer weekend visits?
1 user said yes.
Yes
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No
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Does Dr. Gahagan offer evening visits?
No users said yes.
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No
(1)
Does Dr. Gahagan specialize in working with children or adolescents?
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Does Dr. Gahagan specialize in couples therapy?
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Does Dr. Gahagan specialize in working with LGBTQ+ community?
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Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. John Gahagan, MD. To arrange an appointment, call the number on Dr. Gahagan's profile.

Dr. Gahagan frequently treats the following conditions: Anal Fissure and Constipation. See more on Sharecare.

Dr. John Gahagan, MD is affiliated with Stanford Health Care Tri-Valley and Stanford Hospital.

Yes, Dr. John Gahagan, MD holds board certification in Colon & Rectal Surgery.

Hospital Affiliations

  • Stanford Health Care Tri-Valley

    5555 W Las Positas Blvd, Pleasanton, CA

  • Stanford Hospital

    300 Pasteur Dr, Stanford, CA