LA
Accepting patients
Who is Dr. Allen, Gastroenterologist in Tucson, AZ?
Dr. Larissa Allen, MD is a Gastroenterologist, who primarily practices in Tucson, AZ with 2 additional practice locations. She is board certified by the American Board of Internal Medicine. Dr. Allen is fluent in English and Spanish, and is currently seeing new patients. Dr. Allen’s practice accepts Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Allen’s office at (520) 219-8342.
What are Areas of Expertise for Dr. Allen?
Dr. Larissa Allen, MD is a highly-rated, board-certified Gastroenterologist 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. Allen empowers patients to confidently navigate their health journey, specializing in Colorectal Cancer Prevention, Esophageal Motility, Gastroesophageal Reflux Disease (GERD), or comprehensive wellness support. Serving the Tucson/AZ community, Dr. Allen is dedicated to enhancing lives through expert, patient-centered care.
Is Dr. Allen board certified in Gastroenterologist?
Yes, Dr. Larissa Allen, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Allen speak?
Dr. Allen and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Allen treat?
As a Gastroenterologist, Dr. Allen 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. Allen. 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:
- Stomach and Duodenum Disorder
- Stomach or Duodenum Polyp
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
- K317: Polyp of stomach and duodenum
Also known as:
- GERD with Esophagitis
- Acid Reflux
- Eosinophilic Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Other Esophagus Condition
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2289: Other specified disease of esophagus
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Hemorrhoids
- Second Degree Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
ICD-10 Codes:
- K648: Other hemorrhoids
- K641: Second degree hemorrhoids
Also known as:
- Upper Middle Abdominal Pain
- Widespread Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
- General stomach pain
- Overall belly pain
- Diffuse abdominal pain
ICD-10 Codes:
- R1013: Epigastric pain
- R1084: Generalized abdominal pain
Also known as:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Abdominal Bloating
- Gas
- Gas in the Digestive Tract
- Bloated Stomach
- Swollen Belly
- Gaseous Distension
ICD-10 Codes:
- R140: Abdominal distension (gaseous)
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
Which procedures does Dr. Allen perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Larissa Allen may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Allen's office.
Does Dr. Allen accept my insurance?
Dr. Allen accepts most major insurance plans. Important: Please call our office at (520) 219-8342 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Allen accept in Tucson, AZ?
Dr. Allen in Tucson, AZ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Banner Health
Blue Cross Blue Shield of Arizona
Centene
CVS Health (formerly Aetna)
Department of Defense / Tricare
Department of Veterans Affairs
Express Scripts
Humana
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Allen's office located?
Dr. Larissa Allen's Primary Practice
1701 W Saint Marys Rd Ste 125
Tucson, AZ 85745
(520) 219-8342
Dr. Larissa Allen's Practice 2
1871 W Orange Grove Rd Ste 101
Tucson, AZ 85704
(520) 219-8342
What is Dr. Allen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Allen's National Provider Identifier (NPI) number is 1659536480.
What common questions do patients ask about Dr. Allen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Allen
What is Dr. Larissa Allen's specialty?
Dr. Allen is a Gastroenterologist near Tucson, AZ. 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. Contact Dr. Allen to book an appointment today.
Is this Dr. Larissa Allen affiliated with a ranked Castle Connolly Top Hospital?
No, Allen is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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 Gastroenterologist?
Explore Gastroenterologist 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 Larissa Allen accepting new patients in Tucson, AZ?
Yes, Dr. Larissa Allen is accepting new patients at this time.
Does Dr. Larissa Allen offer online booking?
Please contact Dr. Allen's office at (520) 219-8342 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Larissa Allen?
Please contact Dr. Allen's office at (520) 219-8342 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Larissa Allen have?
Dr. Larissa Allen is certified by the American Board of Internal Medicine.
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