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Dr. Douglas Aach Jr, MD

General Surgery*
4.2 (13)
Map Pin Small O Fallon, IL
Accepting new patients

Offers telehealth

Overview of Dr. Douglas Aach Jr, MD

Dr. Douglas Aach Jr, MD is a General Surgery Specialist in O Fallon, IL. Dr. Aach Jr, completed a residency at Barnes Jewish Hospital. Patients rated Dr. Aach Jr an average 4.2 star rating.

Dr. Aach Jr works at Practice in O Fallon, IL with other offices in Belleville, IL. They frequently treat conditions like Thyroid Nodule and Breast Lump along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Blue Cross Blue Shield and Cigna as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Aach Jr's Office Locations

  1. 1
    Lincoln Surgical Group
    1414 Cross St Ste 330, O Fallon, IL 62269 Icon Directions Right Arrow Directions Phone Icon (618) 277-7400
  2. 2
    Hshs St. Elizabeth's Hospital
    1 Saint Elizabeth Blvd, O Fallon, IL 62269 Icon Directions Right Arrow Directions Phone Icon (618) 277-7400
  3. 3
    Office
    4550 Memorial Dr, Belleville, IL 62226 Icon Directions Right Arrow Directions Phone Icon (618) 234-3173

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Barnes Jewish Hospital
  • Memorial Hospital Belleville
  • HSHS St. Elizabeth's Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Thyroid Nodule
Biopsy of Breast
Breast Lump
Thyroid Nodule
Biopsy of Breast
Breast Lump

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Thyroid Nodule
Biopsy of Breast
Breast Lump
Breast Cancer
Lymph Node Biopsy or Excision
Abdominal Pain
Cholecystitis and Gallstones
Diaphragmatic and Hiatal Hernia
Ductal Carcinoma in Situ
Gallstones
Hidradenitis
Hyperparathyroidism
Inguinal Hernia
Lipomas
  • View other providers who treat Lipomas
Parathyroid (Gland) Disease
Umbilical Hernia
Ventral Hernia
Axillary Lymph Node Dissection
Cholecystectomy with Robotic Assist
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Gallbladder Removal
Laparoscopic Gallbladder Removal (Cholecystectomy)
Lumpectomy
Mastectomy
Open Inguinal Hernia Repair
Port Placements or Replacements
Soft Tissue Tumor Removal
Umbilical Hernia Repair Open
Wound Repair
Anal and Rectal Cancer
Anal Fissure
Anal or Rectal Pain
Anorectal Abscess
Anorectal Fistula
Appendicitis
Ascites
  • View other providers who treat Ascites
Benign Mediastinal Tumor
Benign Neoplasm of the Digestive System
Biliary Atresia
Bone Cancer
Capsular Contracture of Breast Implant
Cholangiocarcinoma
Colorectal Cancer
Constipation
Crohn's Disease
Esophageal Cancer
Gynecologic Cancer
Hemorrhoids
Hiatal Hernia
Incisional Hernia
Inflammatory Bowel Disease
Intestinal Abscess
Intestinal Diverticulosis
Intestinal Obstruction
Liver Cancer
Lobular Carcinoma
Lung Abscess
Lung Cancer
Lymphangioma
Male Breast Cancer
Meckel's Diverticulum
Neoplasm of Gastrointestinal Tract
Neuroendocrine Tumors
Osteosarcoma
Pancreatic Cancer
Parathyroid (Gland) Tumor: Other than Malignant
Parathyroid Cancer
Partial Lung Collapse
Pelvic Abscess
Peripheral Vascular Disease (PAD, PVD)
Pleural Effusion
Ruptured Aortic Aneurysm
Secondary Malignancies
Small Intestine Cancer
Soft Tissue Sarcoma
Stomach and Small Intestine Cancer
Stomach Cancer
Thyroid Cancer
Traumatic Brain Injury
Ulcerative Colitis
Abdominal Organ Transplant
Abdominoplasty
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Adjacent Tissue Transfer
Anal Fistulectomy or Fistulotomy
Anoscopy
  • View other providers who treat Anoscopy
Arteriovenous Fistula Repair
Bile Duct Procedure
Breast Reconstruction
Bunion Surgery
Carotid Endarterectomy (CEA) or Excision of Infected Graft
Colectomy
Cyst Incision and Drainage
Destruction of Anal Tumor
Dressing and-or Debridement of Wound, Infection, or Burn
Enterostomy (Laparoscopic or Open)
Excision of Breast Tumor
Excision of Rectal Tumor
Excision of Stomach Tumor
Femoral Hernia Repair, Open
Gynecomastia Repair
Hemorrhoidectomy or Excision of Anal Tags
Hernia Repair
Incision and Removal of Foreign Object
Intestinal and Multivisceral Transplant
Intestinal Transplant (incl. Enterectomy)
Laparoscopic Appendectomy
Lymphadenectomy With Robotic Assistance
Nephrectomy
Nephrectomy with Robotic Assist
Non-Coronary Angioplasty, Atherectomy, and Stenting
Open Appendectomy
Open Incisional or Ventral Hernia Repair
Parathyroidectomy
Peripheral Artery Catheterization
Proctectomy
Puncture Aspiration
Renal Transplant
Sphincterotomy
Splenectomy
Splenectomy and Splenorrhaphy
Thoracentesis
Thyroid Lobectomy
Thyroidectomy
Thyroidectomy or Thyroid Lobectomy
Ventral Hernia Repair Open
Check your insurance
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    • Aetna
    • Blue Cross and Blue Shield of Illinois
    • Blue Cross Blue Shield
    • Cigna
    • First Health
    • HAP Insurance
    • Health Alliance
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    4.2
    Average provider rating
    Based on 13 ratings
    Patient Ratings (13)
    5 Star
    (10)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (1)
    1 Star
    (2)
    Leave a review

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    Dr. Aach Jr's Office & Staff

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

    Experience with Dr. Aach Jr

    • Level of trust in provider's decisions
    • 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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    About Dr. Douglas Aach Jr, MD

    Specialties*
    • General Surgery

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1508817040
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Residency
    • Barnes Jewish Hospital
    Residency
    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.

    Frequently Asked Questions

    Dr. Douglas Aach Jr, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Aach Jr is offering online scheduling or call the provider’s office for more information.

    Dr. Aach Jr has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Aach Jr has seen patients for Thyroid Nodule and Breast Lump, and more. You can see other conditions treated by Dr. Aach Jr on their profile. Please call the provider’s office to confirm all visit reasons.

    13 patients have reviewed Dr. Aach Jr. The overall rating for this provider is 4.2. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Aach Jr.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Aach Jr, there are benefits to both methods. A person calling to schedule an with Dr. Aach Jr appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Aach Jr, or would you like to choose another provider and have an online appointment right now?
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    Call now to make an appointment
    (618) 277-7400

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