Doctor profile · Federal record

Dr. Gregory Naden, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Mountain Home, AR

  • NPI 1588649396
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
639 Hospital Dr
Mountain Home, AR 726532914
(479) 587-1700
fax (479) 587-1366
Mailing address
3901 Parkway Cir
Springdale, AR 727626362

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
June 16, 2023
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Iowa #36068
Medicaid
IA #0460576

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588649396. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,746
Distinct HCPCS
10
Medicare allowed
$828,334
HCPCS Description Services Patients Avg allowed
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 843 44 $312
77014 Ct guidance for insertion of radiation therapy fields 730 46 $108
77300 Calculation of radiation therapy dose 294 71 $60
77427 Radiation treatment management, 5 treatment sessions 221 58 $178
77336 Continuing radiation therapy consultation per week 217 65 $74
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 195 16 $203
77427 Radiation treatment management, 5 treatment sessions 172 66 $178
99213 Established patient office or other outpatient visit, 20-29 minutes 141 133 $62
77300 Calculation of radiation therapy dose 135 44 $31
77334 Design and construction of complex radiation treatment device 108 39 $57

In context: peer comparison

Among 1 peers in this city , average services per provider: 129. This provider delivers 29× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$233
Transactions
16
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $35.40
Regeneron Healthcare Solutions, Inc. 2 $29.76
Novartis Pharmaceuticals Corporation 2 $29.01
JAZZ PHARMACEUTICALS INC. 2 $26.32
Rigel Pharmaceuticals, Inc. 2 $24.13
Daiichi Sankyo Inc. 1 $16.69
PUMA BIOTECHNOLOGY, INC. 1 $16.19
Pharmacosmos Therapeutics Inc. 1 $14.75
Lilly USA, LLC 1 $14.04
PFIZER INC. 1 $13.29
Bayer Healthcare Pharmaceuticals Inc. 1 $13.07

By nature of payment

Food and Beverage
$233

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
60
Patients
15
Total drug cost
$1,098
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 23 15 $333
Tamsulosin Hcl Generic 21 0 $456
Ondansetron Odt (Ondansetron) Brand 16 0 $309

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Naden's medical specialty?
Dr. Gregory Naden practices Radiation Oncology Physician in Mountain Home, AR.
Where does Dr. Gregory Naden practice?
Dr. Gregory Naden practices at 639 Hospital Dr, Mountain Home, AR 726532914. Office phone: 4795871700.
What is Dr. Gregory Naden's NPI?
Dr. Gregory Naden's National Provider Identifier (NPI) is 1588649396, issued by NPPES.
Does Dr. Gregory Naden accept Medicare assignment?
Yes. Dr. Gregory Naden accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Naden commonly perform?
Top Medicare-reported procedures in 2023: Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.