Dr Dennis Andrew Buck, DO - Medicare Internal Medicine in Show Low, AZ

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Dr Dennis Andrew Buck, DO is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Show Low, Arizona. His current practice location is 2500 E Hunt Dr Ste H-j, Show Low, Arizona. You can reach out to his office (for appointments etc.) via phone at (928) 537-6937.

Dr Dennis Andrew Buck is licensed to practice in Arizona (license number 011954) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1114157195.

Contact Information

Dr Dennis Andrew Buck, DO
2500 E Hunt Dr Ste H-j,
Show Low, AZ 85901-7954
(928) 537-6937
(928) 532-8798

Map and Direction




Physician's Profile

Full NameDr Dennis Andrew Buck
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location2500 E Hunt Dr Ste H-j, Show Low, Arizona
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1114157195
  • Provider Enumeration Date: 07/23/2009
  • Last Update Date: 10/08/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3971745233
  • Enrollment ID: I20190729002401

Medical Identifiers

Medical identifiers for Dr Dennis Andrew Buck such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114157195NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology 5355 (Oklahoma)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 011954 (Arizona)Primary
207R00000XInternal Medicine SL0646 (Nevada)Secondary

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. Dr Dennis Andrew Buck allows following entities to bill medicare on his behalf.
Entity NameCatholic Health Initiatives Colorado
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356783351
PECOS PAC ID: 8022927342
Enrollment ID: O20031215000462

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. Dr Dennis Andrew Buck 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
Dr Dennis Andrew Buck, DO
2500 E Hunt Dr Ste H-j,
Show Low, AZ 85901-7954

Ph: (928) 537-6937		Dr Dennis Andrew Buck, DO
2500 E Hunt Dr Ste H-j,
Show Low, AZ 85901-7954

Ph: (928) 537-6937

Reviews and Comments


Internal Medicine Doctors in Show Low, AZ

Dr. Salman Malad, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2500 E Hunt Dr Ste H-j, Show Low, AZ 85901
Phone: 928-537-6937    Fax: 928-532-8798
Stephen Claude Betts, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 2450 E Show Low Lake Rd, Suite 1, Show Low, AZ 85901
Phone: 928-532-1069    Fax: 928-532-1188
Jeffrey A Levison, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 4951 S White Mountain Rd Bldg A, Show Low, AZ 85901
Phone: 928-537-6700    Fax: 928-532-2120
Dr. Lincoln Spencer Matheson, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2200 E Show Low Lake Rd, Show Low, AZ 85901
Phone: 928-537-6338    
Dr. Snehal Govind Thakkar, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Hunt Drive, Suite I, Show Low, AZ 85901
Phone: 928-537-6937    Fax: 928-537-3977
Dr. Robert D Seaton, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 1500 S White Mountain Blvd #201, Akdhc, Show Low, AZ 85901
Phone: 928-251-0386    Fax: 928-251-0389

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.