Loyal G Tillotson, MD, PHD - Medicare Gastroenterology in Tucson, AZ

Loyal G Tillotson, MD, PHD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Tucson, Arizona. He went to Harvard Medical School and graduated in 1985 and has 39 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Banner -- University Medical Group and his current practice location is 1501 N Campbell Ave, Tucson, Arizona. You can reach out to his office (for appointments etc.) via phone at (520) 694-8888.

Loyal G Tillotson is licensed to practice in Arizona (license number 60656) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1043256936.

Contact Information

Loyal G Tillotson, MD, PHD
1501 N Campbell Ave,
Tucson, AZ 85724-5462
(520) 694-8888
Not Available

Map and Direction




Physician's Profile

Full NameLoyal G Tillotson
GenderMale
SpecialityGastroenterology
Experience39 Years
Location1501 N Campbell Ave, Tucson, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Loyal G Tillotson attended and graduated from Harvard Medical School in 1985
  NPI Data:
  • NPI Number: 1043256936
  • Provider Enumeration Date: 06/21/2006
  • Last Update Date: 01/23/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5092703330
  • Enrollment ID: I20200817003772

Medical Identifiers

Medical identifiers for Loyal G Tillotson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043256936NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 4783 (South Dakota)Secondary
207RG0100XInternal Medicine - Gastroenterology 60656 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Banner-university Medical Center South CampusTucson, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Banner -- University Medical Group7719899871819

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Loyal G Tillotson allows following entities to bill medicare on his behalf.
Entity NameBanner -- University Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508809427
PECOS PAC ID: 7719899871
Enrollment ID: O20031105000694

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Loyal G Tillotson is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Loyal G Tillotson, MD, PHD
1501 N Campbell Ave,
Tucson, AZ 85724-5028

Ph: () -
Loyal G Tillotson, MD, PHD
1501 N Campbell Ave,
Tucson, AZ 85724-5462

Ph: (520) 694-8888

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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