NPIMap

Individual provider Active NPI

Dennis Andrew Buck, DO

  • Hematology & Oncology Physician
  • Show Low, AZ
National Provider Identifier
1114157195
Registry record updated Oct 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
011954 Issued in AZ
Practice address
2500 E Hunt Dr Ste H-J
Show Low, AZ 85901-7954
Phone
(928) 537-6937
Fax
(928) 532-8798
NPI assigned
Jul 23, 2009
Last updated
Oct 8, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 8, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X SL0646 NV
Hematology & Oncology Physician 207RH0003X 011954 AZ Primary
Medical Oncology Physician 207RX0202X 5355 OK

Addresses

Primary practice location

2500 E Hunt Dr Ste H-J
Show Low, AZ 85901-7954

Mailing address

2500 E Hunt Dr Ste H-J
Show Low, AZ 85901-7954
Phone (928) 537-6937

Other practice location 1

10109 E. 79th Street
Tulsa, OK 74133
Phone (918) 286-5000

Other practice location 2

95 S Pagosa Blvd
Pagosa Springs, CO 81147-8329
Phone (970) 731-3700

Other practice location 3

1 Mercado St Ste 100
Durango, CO 81301
Phone (970) 385-7977

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MN, AZ2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240723001702 MN Practitioner - Hematology/Oncology 3971745233 Reassigns benefits to 1 organization
I20251118004116 AZ Practitioner - Hematology/Oncology 3971745233 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Touro Un College of Osteopathic Medicine, Vallejo, 2009
Medicare assignment
May accept Medicare assignment
Telehealth
Offers telehealth services
Group practices
Summit Healthcare AssociationGroup PAC ID 3779568647, 78 clinicians
Carris Health LLCGroup PAC ID 7012274228, 40 clinicians
CCM HealthGroup PAC ID 4284539453, shared by 7 NPIs, 69 clinicians

Practice addresses (Care Compare)

2500 E Hunt Dr
Suite H
Show Low, AZ 85901-7954
Phone (928) 537-6937

301 Becker Ave SW
Willmar, MN 56201-3302
Phone (320) 235-4543

824 N 11TH St
Montevideo, MN 56265-1629
Phone (320) 269-8877

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy, Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
SL0646NVMDInternal Medicine Physician
011954AZMDHematology & Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Summit Healthcare Association CurrentSince Oct 12, 2025 Accepting new patients
Carris Health LLC Hematology & Oncology CurrentSince Jul 10, 2024 Accepting new patients
Summit Healthcare Association Hematology & Oncology CurrentSince Dec 1, 2025 Accepting new patients
Carris Health LLC CurrentSince Jul 10, 2024 Accepting new patients

Locations

2200 E Show Low Lake Rd
Show Low, AZ 85901
Phone (928) 537-4375

2500 E Hunt Dr
Ste H
Show Low, AZ 85901
Phone (520) 537-0200

2500 E Hunt Dr
Ste Hj
Show Low, AZ 85901
Phone (928) 537-6937

1406 6th Ave N
Saint Cloud, MN 56303
Phone (320) 255-5657

301 Becker Ave SW
Willmar, MN 56201
Phone (320) 231-4120

Interoperability endpoints

  • Direct secure messaging: dbuck818265@direct.centracare.com

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 11

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1248307200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759881600000",
    "number": "1114157195",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 E HUNT DR STE H-J",
            "city": "SHOW LOW",
            "state": "AZ",
            "postal_code": "859017954",
            "telephone_number": "928-537-6937",
            "fax_number": "928-532-8798"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 E HUNT DR STE H-J",
            "city": "SHOW LOW",
            "state": "AZ",
            "postal_code": "859017954",
            "telephone_number": "928-537-6937",
            "fax_number": "928-532-8798"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "10109 E. 79th Street",
            "address_purpose": "LOCATION",
            "city": "Tulsa",
            "state": "OK",
            "postal_code": "74133",
            "country_code": "US",
            "telephone_number": "918-286-5000",
            "fax_number": "918-249-7532",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "95 S Pagosa Blvd",
            "address_purpose": "LOCATION",
            "city": "Pagosa Springs",
            "state": "CO",
            "postal_code": "811478329",
            "country_code": "US",
            "telephone_number": "970-731-3700",
            "fax_number": "970-731-3707",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Mercado St Ste 100",
            "address_purpose": "LOCATION",
            "city": "Durango",
            "state": "CO",
            "postal_code": "81301",
            "country_code": "US",
            "telephone_number": "970-385-7977",
            "fax_number": "970-385-6727",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BUCK",
        "first_name": "DENNIS",
        "middle_name": "ANDREW",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-07-23",
        "last_updated": "2025-10-08",
        "certification_date": "2025-10-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "SL0646",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "AZ",
            "license": "011954",
            "primary": true
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "OK",
            "license": "5355",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Show Low, AZ

Sources for this page

Verify at the official NPI Registry.