Doctor profile · Federal record
Dr. Dennis Buck, DO
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Internal Medicine Physician · Show Low, AZ
- NPI 1114157195
- Accepts Medicare
- MIPS 85.4 / 100 · 2023
- 17 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
2500 E Hunt Dr Ste H-J
Show Low, AZ 859017954
(928) 537-6937
fax (928) 532-8798 - Additional location
-
1 Mercado St Ste 100
Durango, CO 81301
(970) 385-7977
fax (970) 385-6727 - Additional location
-
95 S Pagosa Blvd
Pagosa Springs, CO 811478329
(970) 731-3700
fax (970) 731-3707 - Additional location
-
10109 E. 79Th Street
Tulsa, OK 74133
(918) 286-5000
fax (918) 249-7532
Show 1 more location
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- October 8, 2025
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (3)
- Arizona #011954 · Oklahoma #5355 · Nevada #SL0646
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114157195. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$171
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 2 | $152.04 | |
| Janssen Biotech, INC. | 1 | $18.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
66
Patients
0
Total drug cost
$203,022
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 26 | 0 | $17,738 |
| Anastrozole | Generic | 17 | 0 | $741 |
| Erleada (Apalutamide) | Brand | 12 | 0 | $184,420 |
| Tamoxifen Citrate | Generic | 11 | 0 | $122 |
Frequently asked questions
What is Dr. Dennis Buck's medical specialty?
Dr. Dennis Buck practices Hematology & Oncology Physician in Show Low, AZ.
Where does Dr. Dennis Buck practice?
Dr. Dennis Buck practices at 2500 E Hunt Dr Ste H-J, Show Low, AZ 859017954. Office phone: 9285376937.
What is Dr. Dennis Buck's NPI?
Dr. Dennis Buck's National Provider Identifier (NPI) is 1114157195, issued by NPPES.
Does Dr. Dennis Buck accept Medicare assignment?
Yes. Dr. Dennis Buck accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.