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Internal Medicine, Gastroenterology in Tucson, AZ
Dr Larissa Maria Allen, Gastroenterologist in Tucson, AZ
Larissa Maria Allen is a gastroenterologist at 6130 N La Cholla BLVD, Suite 200 in Tucson, AZ. View phone 520-219-8342 and NPI 1659536480.
- Specialty
- Internal Medicine, Gastroenterology
- Location
- Tucson, AZ
- NPI
- 1659536480
- Pricing
- Current estimate required
Pricing information
Loa does not yet have a verified provider-submitted price for this listing. Ask the provider and your insurer for a current estimate before scheduling care.
About Internal Medicine, Gastroenterology
Gastroenterology providers evaluate digestive conditions and perform procedures such as colonoscopy and upper endoscopy. Procedure pricing depends on the facility setting and whether sedation is included.
Common services and price guides
- ColonoscopyTypical range: $1,000-$5,000
- Upper Endoscopy (EGD)Typical range: $1,000-$5,000
- Doctor Office VisitTypical range: $100-$350
- New Patient VisitTypical range: $150-$500
CMS Medicare clinician details
For NPI 1659536480, the CMS Doctors and Clinicians National Downloadable File released July 9, 2026 reports Gastroenterology.
- Medicare assignment
- Accepts the Medicare-approved amount
- Medical school
- University Of Arizona College Of Medicine
- Graduation year
- 2008
CMS enrollment records list group affiliations including Arizona Gastroenterology Ltd.
Review the CMS source dataset. Confirm current participation and services directly with the provider.
How to confirm pricing with Larissa Maria Allen M.D.
Published and estimated prices are a starting point. Confirm these details before scheduling to avoid surprises.
Confirm the billing code and setting
Verify the CPT or other billing code and whether care is billed as an office, outpatient, or hospital service.
Check insurance benefits
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Get an itemized estimate
Compare the written estimate with source-labeled prices and ask which additional services could be billed.
Related provider profiles
Provider record and data sources
Larissa Maria Allen M.D. is published from source-labeled provider data. Registry classifications, practice locations, network participation, and contact information can change, so verify current details before care, billing, or referral.
- Primary taxonomyInternal Medicine, Gastroenterology (207RG0100X)
- NPI record datesEnumerated July 21, 2008
- Additional taxonomiesInternal Medicine (207R00000X)
Source: NPI Registry. Source record updated January 5, 2017. Loa profile refreshed Jul 21, 2026.
Frequently asked questions
Can I see prices for Larissa Maria Allen M.D.?
Loa does not yet have a verified provider-submitted price for Larissa Maria Allen M.D.. Ask the office for a written self-pay estimate and compare nearby source-labeled prices before scheduling.
What information is shown for Larissa Maria Allen M.D.?
This profile shows public provider information for Internal Medicine, Gastroenterology in Tucson, AZ, including contact details, NPI source information, and source-labeled price context when available.
What NPI taxonomy is listed for Larissa Maria Allen M.D.?
Larissa Maria Allen M.D. is listed as an NPI individual under Internal Medicine, Gastroenterology (207RG0100X). Registry classifications can change and do not guarantee that every listed service is currently offered.
When was NPI 1659536480 assigned to Larissa Maria Allen M.D.?
The NPI Registry lists July 21, 2008 as the enumeration date for NPI 1659536480. These are registry dates, not necessarily the date the provider began practicing.
What Medicare specialty does CMS list for Larissa Maria Allen M.D.?
The CMS Doctors and Clinicians file lists Gastroenterology for NPI 1659536480. Medicare enrollment details can change, so confirm current credentials, participation, and services directly.
Does Larissa Maria Allen M.D. accept Medicare assignment?
The CMS record indicates that Larissa Maria Allen M.D. accepts the Medicare-approved amount as payment in full. Confirm current participation, network status, and patient responsibility before care.
How should I confirm care details with Larissa Maria Allen M.D.?
Contact the office before care to confirm the location, appointment availability, network participation, exact service and billing code, and all expected professional or facility fees.
How can Larissa Maria Allen M.D. update this profile?
The provider or an authorized representative can claim the profile or suggest a correction. Loa reviews submitted changes before publishing them.