DO
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. O'neill, Anatomic Pathologist & Clinical Pathologist in Manchester, CT?
Dr. Dennis O'neill, MD is an Anatomic Pathologist & Clinical Pathologist, who primarily practices in Manchester, CT with 2 additional practice locations. He is board certified by the American Board of Pathology. Dr. O'neill graduated from Rutgers and completed his residency at Hartford Hosp, Anatomic And Clinical Pathology. Dr. O'neill is fluent in English, and is currently seeing new patients. Dr. O'neill’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. O'neill’s office at (860) 647-6487.
Where did Dr. O'neill go to medical school and complete their residency?
Residency: Hartford Hosp, Anatomic And Clinical Pathology | Hartford Hospital Program
Medical School: Umdnj-New Jersey Med Sch- Newark Nj | Rutgers
Is Dr. O'neill board certified in Anatomic Pathologist & Clinical Pathologist?
Yes, Dr. Dennis O'neill, MD is board certified by the American Board of Pathology
What languages does Dr. O'neill speak?
Dr. O'neill and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. O'neill treat?
As a Anatomic Pathologist & Clinical Pathologist, Dr. O'neill 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. O'neill. 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:
- 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:
- Chronic Stomach Inflammation
- Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
- Gastritis
- Inflamed stomach lining
- Stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
- K2970: Gastritis, unspecified, without bleeding
Also known as:
- Colon Polyps
- Non-Infectious Gastroenteritis and Colitis
- Colonic Polyps
- Digestive Disease
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860109: Personal history of other colon polyps
- K529: Noninfective gastroenteritis and colitis, 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:
- Esophagitis
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Inflammation of the Esophagus
- Sore Esophagus
- Esophageal Inflammation
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2090: Esophagitis, unspecified without bleeding
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Benign Transverse Colon Polyp
- Benign Ascending Colon Polyp
- Benign Cecum Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
ICD-10 Codes:
- D123: Benign neoplasm of transverse colon
- D122: Benign neoplasm of ascending colon
- D120: Benign neoplasm of cecum
Also known as:
- History of Adenomatous and Serrated Colon Polyps
- Colon Polyps
- Colonic Polyps
- Past Colon Polyps
- Previous Adenomas
- History of Precancerous Colon Growths
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- Z860101: Personal history of adenomatous and serrated colon polyps
- K635: Polyp of colon
Also known as:
- GERD with Esophagitis
- Eosinophilic Esophagitis
- GERD
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Esophagus Inflammation
- Esophagus Disorder
- Esophagitis
- Inflamed Esophagus
- Sore Esophagus
ICD-10 Codes:
- K2080: Other esophagitis without bleeding
Also known as:
- Stomach or Duodenum Polyp
- Stomach Disorder
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K317: Polyp of stomach and duodenum
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Rectal Polyp
- Rectal Disorder
- Rectal Growth
- Colon Polyp
- Benign Rectal Tumor
ICD-10 Codes:
- K621: Rectal polyp
Which procedures does Dr. O'neill perform as a Anatomic Pathologist & Clinical Pathologist?
As a Anatomic Pathologist & Clinical Pathologist, procedures performed by an Dr. Dennis O'neill 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. O'neill's office.
Does Dr. O'neill accept my insurance?
Dr. O'neill accepts most major insurance plans. Important: Please call our office at (860) 647-6487 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. O'neill accept in Manchester, CT?
Dr. O'neill in Manchester, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Express Scripts
Medicare
Neighborhood Health Plan (RI)
OptumRx
Point32Health
UnitedHealthcare
View All Insurances
Where is Dr. O'neill's office located?
What is Dr. O'neill's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. O'neill's National Provider Identifier (NPI) number is 1083679021.
What common questions do patients ask about Dr. O'neill?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. O'neill
What is Dr. Dennis O'neill's specialty?
Dr. O'neill is a Anatomic Pathologist & Clinical Pathologist near Manchester, CT. 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. O'neill to book an appointment today.
Is this Dr. Dennis O'neill affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. O'neill is affiliated with Manchester Memorial 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 Dennis O'neill accepting new patients in Manchester, CT?
Yes, Dr. Dennis O'neill is accepting new patients at this time.
Does Dr. Dennis O'neill offer online booking?
Please contact Dr. O'neill's office at (860) 647-6487 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dennis O'neill?
Please contact Dr. O'neill's office at (860) 647-6487 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Dennis O'neill have?
Dr. Dennis O'neill is certified by the American Board of Pathology.
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