JR
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ritter, Anatomic Pathologist & Clinical Pathologist in Saint Louis, MO?
Dr. Jon Ritter, MD is an Anatomic Pathologist & Clinical Pathologist, who primarily practices in Saint Louis, MO with 2 additional practice locations. He is board certified by the American Board of Pathology. Dr. Ritter completed his residency at Barnes-Jewish Hosp-S Campus, Anatomic And Clinical Pathology. Dr. Ritter is fluent in English, and is currently seeing new patients. Dr. Ritter’s practice accepts Medicare, Aetna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ritter’s office.
What are Areas of Expertise for Dr. Ritter?
Dr. Jon Ritter, MD is a highly-rated, board-certified Anatomic Pathologist & Clinical Pathologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ritter empowers patients to confidently navigate their health journey, specializing in Breast Pathology, Gastrointestinal and Pancreatic Pathology, Thoracic Pathology, or comprehensive wellness support. Serving the Saint Louis/MO community, Dr. Ritter is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Ritter go to medical school and complete their residency?
Residency: Barnes-Jewish Hosp-S Campus, Anatomic And Clinical Pathology | Washington University
Medical School: University of Mn Med Sch-Minneapolis, Minneapolis Mn | University of Mn Med Sch
Is Dr. Ritter board certified in Anatomic Pathologist & Clinical Pathologist?
Yes, Dr. Jon Ritter, MD is board certified by the American Board of Pathology
What languages does Dr. Ritter speak?
Dr. Ritter and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Ritter treat?
As a Anatomic Pathologist & Clinical Pathologist, Dr. Ritter 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. Ritter. 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.
Also known as:
- Estrogen Receptor Positive (ER+) Status
- Breast Cancer
- ER Positive Breast Cancer
- Hormone-Sensitive Breast Cancer
- Estrogen-Driven Cancer
ICD-10 Codes:
- Z170: Estrogen receptor positive status [ER+]
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
Also known as:
- Benign Ascending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
Also known as:
- Benign Breast Lump
- Benign Tumor
- Breast Disease
- Non-cancerous breast mass
- Breast fibroadenoma
- Benign breast disease
ICD-10 Codes:
- D241: Benign neoplasm of right breast
Which procedures does Dr. Ritter perform as a Anatomic Pathologist & Clinical Pathologist?
As a Anatomic Pathologist & Clinical Pathologist, procedures performed by an Dr. Jon Ritter may include:
- Ancillary Testing
- Blood Sample
- Blood Smear
- Blood Sugar / Plasma Glucose Test
- Bone Pathology
- Chemical Pathology Consultation
- Chemical Pathology Follow Up
- Electrolyte Test / PH Imbalance
For detailed information, please contact Dr. Ritter's office.
Does Dr. Ritter accept my insurance?
Dr. Ritter 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. Ritter accept in Saint Louis, MO?
Dr. Ritter in Saint Louis, MO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
All Other Third Party
Blue Cross Blue Shield of Michigan
CMS
CVS Health (formerly Aetna)
Harvard Pilgrim
Medicare
Molina
Other Health Care Provider
State of Illinois
View All Insurances
Where is Dr. Ritter's office located?
Dr. Jon Ritter's Primary Practice
1 Barnes Jewish Hospital Plz Fl 3
Saint Louis, MO 63110
What is Dr. Ritter's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ritter's National Provider Identifier (NPI) number is 1366460784.
What common questions do patients ask about Dr. Ritter?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ritter
What is Dr. Jon Ritter's specialty?
Dr. Ritter is a Anatomic Pathologist & Clinical Pathologist near Saint Louis, MO. A pathologist focuses on the causes and nature of diseases, contributing to diagnosis, prognosis, and treatment by applying knowledge from biological, chemical, and physical sciences in the laboratory. They utilize microscopic examinations of tissue specimens, cells, and body fluids, along with clinical laboratory tests on fluids and secretions, to diagnose, exclude, or monitor diseases. Contact Dr. Ritter to book an appointment today.
Is this Dr. Jon Ritter affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ritter is affiliated with Barnes-Jewish Hospital which is a Castle Connolly Top Hospital. 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
Where can I learn more about Anatomic Pathologist & Clinical Pathologist?
Explore Anatomic Pathologist & Clinical Pathologist with 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 Jon Ritter accepting new patients in Saint Louis, MO?
Yes, Dr. Jon Ritter is accepting new patients at this time.
Does Dr. Jon Ritter offer online booking?
Please contact Dr. Ritter's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jon Ritter?
Please contact Dr. Ritter's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Jon Ritter have?
Dr. Jon Ritter is certified by the American Board of Pathology.
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