Thomas Dee Callahan, MD - Medicare Family Practice in St George, UT

Thomas Dee Callahan, MD is a medicare enrolled "Family Medicine" physician in St George, Utah. He went to University Of Utah School Of Medicine and graduated in 1975 and has 49 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Callahan Clinic, Pc and his current practice location is 1240 E 100 S, Suite 15a, St George, Utah. You can reach out to his office (for appointments etc.) via phone at (435) 656-5323.

Thomas Dee Callahan is licensed to practice in Utah (license number 159420-1205) 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 1043328123.

Contact Information

Thomas Dee Callahan, MD
1240 E 100 S, Suite 15a,
St George, UT 84790-3001
(435) 656-5323
(435) 656-5127

Map and Direction




Physician's Profile

Full NameThomas Dee Callahan
GenderMale
SpecialityFamily Practice
Experience49 Years
Location1240 E 100 S, St George, Utah
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:
  • Thomas Dee Callahan attended and graduated from University Of Utah School Of Medicine in 1975
  NPI Data:
  • NPI Number: 1043328123
  • Provider Enumeration Date: 08/28/2006
  • Last Update Date: 01/08/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 9032005467
  • Enrollment ID: I20060103000559

Medical Identifiers

Medical identifiers for Thomas Dee Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043328123NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 159420-1205 (Utah)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Applegate HospiceSt george, UTHospice
Dixie Regional Medical CenterSt george, UTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Callahan Clinic, Pc04461468643

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. Thomas Dee Callahan allows following entities to bill medicare on his behalf.
Entity NameCallahan Clinic, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609046853
PECOS PAC ID: 0446146864
Enrollment ID: O20040224000329

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. Thomas Dee Callahan 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
Thomas Dee Callahan, MD
1240 E 100 S, Suite 15a,
St George, UT 84790-3001

Ph: (435) 656-5323
Thomas Dee Callahan, MD
1240 E 100 S, Suite 15a,
St George, UT 84790-3001

Ph: (435) 656-5323

Reviews and Comments


Family Medicine Doctors in St George, UT

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Dr. Carl Don Haycock, M.D.
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Dr. Neal Christian Busk, M.D.
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Medicare: Medicare Enrolled
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Phone: 435-634-7608    Fax: 435-674-0092

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.