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Dr. Douglas Aach Jr, MD
General Surgery* Age 63
Dr. Douglas Aach Jr, MD

Offers telehealth

Dr. Douglas Aach Jr, MD is a General Surgeon in O Fallon, IL.
Dr. Douglas Aach Jr, MD

Dr. Douglas Aach Jr, MD

General Surgery* Age 63
O Fallon, IL
Accepting new patients

Offers telehealth

Dr. Douglas Aach Jr, MD is a General Surgeon in O Fallon, IL.
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About Dr. Douglas Aach Jr, MD

Dr. Douglas Aach Jr, MD is a General Surgeon in O Fallon, IL. Dr. Aach Jr has experience treating conditions like Breast Lump, Thyroid Nodule and Breast Cancer among other conditions at varying frequencies. Dr. Aach Jr's office accepts new patients and telehealth appointments. Dr. Aach Jr is board certified in General Surgery and accepts multiple insurance plans.

Offers Telehealth

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

Experience Check

Enter a condition or procedure
Biopsy of Breast
Breast Lump
Thyroid Nodule
Biopsy of Breast
Breast Lump
Thyroid Nodule
Breast Cancer
Lymph Node Biopsy or Excision
Ductal Carcinoma in Situ
Open Inguinal Hernia Repair
Inguinal Hernia
Umbilical Hernia
Mastectomy
Axillary Lymph Node Dissection
Lumpectomy
Port Placements or Replacements
Soft Tissue Tumor Removal
Gallstones
Ventral Hernia
Abdominal Pain
Cholecystitis and Gallstones
Excision of Breast Tumor
Gallbladder Removal
Laparoscopic Gallbladder Removal (Cholecystectomy)
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Lipomas
  • View other providers who treat Lipomas
Parathyroid (Gland) Disease
Hyperparathyroidism
Diaphragmatic and Hiatal Hernia
Dressing and Debridement of Wound or Infection
Intestinal Diverticulosis
Parathyroidectomy
Umbilical Hernia Repair Open
Anal and Rectal Cancer
Anal Fissure
Anal or Rectal Pain
Anorectal Abscess
Anorectal Fistula
Appendicitis
Benign Mediastinal Tumor
Benign Neoplasm of the Digestive System
Biliary Atresia
Biliary Tract Cancer
Bladder Diverticulum
Bone Cancer
Capsular Contracture of Breast Implant
Colorectal Cancer
Constipation
Crohn's Disease
Esophageal Cancer
Gallbladder Cancer
Gynecologic Cancer
Hemorrhoids
Hiatal Hernia
Hidradenitis Suppurativa
Incisional Hernia
Inflammatory Bowel Disease
Intestinal Abscess
Intestinal Diverticulitis
Intestinal Obstruction
Liver Cancer
Lobular Carcinoma
Lung Abscess
Lung Cancer
Lymphangioma
Male Breast Cancer
Meckel's Diverticulum
Neoplasm of Gastrointestinal Tract
Neuroendocrine Tumors
Non-Traumatic Brain Injury
Osteosarcoma
Pancreatic Cancer
Parathyroid (Gland) Tumor: Other than Malignant
Parathyroid Cancer
Partial Lung Collapse
Pelvic Abscess
Peripheral Vascular Disease (PAD, PVD)
Pleural Effusion
Primary Biliary Cholangitis
Ruptured Aortic Aneurysm
Secondary Malignancies
Small Intestine Cancer
Soft Tissue Sarcoma
Stomach and Small Intestine Cancer
Stomach Cancer
Thyroid Cancer
Abdominoplasty
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Anal Fistulectomy or Fistulotomy
Anoscopy
  • View other providers who treat Anoscopy
Arteriovenous Fistula Repair
Bile Duct Procedure
Bone Marrow Biopsy
Breast Augmentation
Breast Reconstruction
Bunion Surgery
Carotid Endarterectomy (CEA) or Excision of Infected Graft
Colectomy
Cyst Incision and Drainage
Destruction of Anal Tumor
Enterostomy (Laparoscopic or Open)
Excision of Rectal Tumor
Excision of Stomach Tumor
Gynecomastia Repair
Hemorrhoidectomy or Excision of Anal Tags
Hernia Repair
Incision and Removal of Foreign Object
Intestinal Transplant (incl. Enterectomy)
Laparoscopic Appendectomy
Laparoscopic Inguinal Hernia Repair
Non-Coronary Angioplasty, Atherectomy, and Stenting
Open Appendectomy
Open Incisional or Ventral Hernia Repair
Peripheral Artery Catheterization
Proctectomy
Puncture Aspiration
Sphincterotomy
Splenectomy
Splenectomy and Splenorrhaphy
Thoracentesis
Thyroid Lobectomy
Thyroidectomy
Thyroidectomy or Thyroid Lobectomy
Ventral Hernia Repair Open
Wound Repair

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Open Access Plus
    Cigna PPO
    Cigna Plus
  • Premier Care Network Plus - Innovation Health
    Aetna
    Managed Choice (Open Access) POS
    Elect Choice (Open Access) EPO
    Savings Plus of IL OA Select
    Choice Plus POS II
    Open Choice PPO
  • Blue Card PPO
  • Options PPO
    Nexus Open Access
    Choice Plus POS
    Navigate HMO
    Navigate POS
    Medica Choice
  • Health Alliance HMO-POS
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • First Health (Coventry Health Care) PPO
  • Blue Choice Select PPO
    Blue Cross Blue Shield of Illinois PPO
    Blue Print PPO
  • Health Alliance PPO

Where Dr. Douglas Aach Jr, MD Sees Patients

  1. 1 Lincoln Surgical Associates LTD.
    1414 Cross St Ste 330, O Fallon, IL 62269
  2. 2 St Elizabeths Hospital of the Hospital Sisters of the Third Order
    1 Saint Elizabeth Blvd, O Fallon, IL 62269

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Telehealth Options
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Call now to make an appointment
(618) 277-7400

Meet Dr. Douglas Aach Jr, MD

Specialties*
General 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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Aach Jr communicate via email?
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Does Dr. Aach Jr offer telehealth services or virtual visits?
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Does Dr. Aach Jr offer an online patient portal?
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Does Dr. Aach Jr specialize in working with children or adolescents?
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Does Dr. Aach Jr specialize in couples therapy?
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FAQs About Dr. Aach Jr's Practice

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. Douglas Aach Jr, MD. To arrange an appointment, call the number on Dr. Aach Jr's profile.

Dr. Aach Jr frequently treats the following conditions: Breast Lump, Thyroid Nodule and Breast Cancer. See more on Sharecare.

Dr. Douglas Aach Jr, MD is affiliated with Memorial Hospital Belleville and HSHS St. Elizabeth's Hospital.

Yes, Dr. Douglas Aach Jr, MD holds board certification in General Surgery.

Training & Medical Education
Board Certifications
  • General 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.
Residency Hospital
  • Barnes Jewish Hospital
Residency Hospital

Hospitals Where Dr. Douglas Aach Jr, MD Practices

  • Memorial Hospital Belleville

    4500 Memorial Dr, Belleville, IL

  • HSHS St. Elizabeth's Hospital

    1 Saint Elizabeth Blvd, O Fallon, IL

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