JL
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Leo, Gastroenterologist in Milwaukee, WI?
Dr. Julia Leo, DO is a Gastroenterologist, who primarily practices in Milwaukee, WI with 2 additional practice locations. Dr. Leo graduated from University of Osteopathic Medicine and Health Sciences. Dr. Leo is fluent in English, and is currently seeing new patients. Dr. Leo’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Leo’s office.
Where did Dr. Leo go to medical school and complete their residency?
Medical School: University of Osteopathic Medicine and Health Sciences | University of Osteopathic Medicine and Health Sciences
What languages does Dr. Leo speak?
Dr. Leo and their clinical team can communicate with patients in the following languages:
English
What conditions does a Gastroenterologist like Dr. Leo typically treat?
As a Gastroenterologist, Dr. Leo diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Leo. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
- GI Bleeding
- Internal Digestive Bleeding
- Digestive Tract Hemorrhage
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
- K922: Gastrointestinal hemorrhage, unspecified
Also known as:
- Follow-up After Treatment (Non-Cancer)
- Post-Treatment Check-up
- Aftercare Visit
- Recovery Monitoring Exam
ICD-10 Codes:
- Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
What procedures does a Gastroenterologist like Dr. Leo typically perform?
As a Gastroenterologist, Dr. Leo performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Leo. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- EGD with Esophageal Balloon Dilation
- Diagnostic Upper Endoscopy with Biopsy
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Leo accept my insurance?
Dr. Leo accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Leo accept in Milwaukee, WI?
Dr. Leo in Milwaukee, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Humana
Medicare
Network Health
UMR Administered Payer
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Leo's office located?
Dr. Julia Leo's Primary Practice
2801 W Kinnickinnic River Pkwy Ste 1060
Milwaukee, WI 53215
What is Dr. Leo's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Leo's National Provider Identifier (NPI) number is 1891953295.
What common questions do patients ask about Dr. Leo?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Leo
What is Dr. Julia Leo's specialty?
Dr. Leo is a Gastroenterologist near Milwaukee, WI.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Julia Leo affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Leo is affiliated with Aurora St Luke's Medical Center - Milwaukee, Prohealth Waukesha Memorial Hospital, Aurora West Allis Medical Center, Froedtert Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Julia Leo accepting new patients in Milwaukee, WI?
Yes, Dr. Julia Leo is accepting new patients at this time.
Does Dr. Julia Leo offer online booking?
Please contact Dr. Leo's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Julia Leo?
Please contact Dr. Leo's office for information regarding telehealth appointment availability or for scheduling assistance.
Other Gastroenterologist Near Milwaukee, WI
WB
Gastroenterologist
Dr. William Blosky, MD is a Gastroenterologist, who primarily practices in Milwaukee, WI with 2 additional practice locations.
Milwaukee, WI

Gastroenterologist
Dr. Joseph Geenen, MD is a Gastroenterologist, who primarily practices in Milwaukee, WI. He is board certified.
Milwaukee, WI
MM
Transplant Hepatologist
Dr. Mohamad Mawaldi, MD is a Transplant Hepatologist, who primarily practices in Milwaukee, WI with 2 additional practice locations.
Milwaukee, WI