Doctor profile · Federal record

Dr. John Watkins, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Bismarck, ND

  • NPI 1558450841
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 7 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 N 8Th St
Bismarck, ND 585014445
(701) 222-6100
fax (701) 222-6151

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 4, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (7)
North Dakota #11140 · South Carolina #27789 · Alabama #MD.29576 · Iowa #41254 · North Carolina #2009-00810 · Indiana #1067715A · Georgia #62792

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558450841. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,012
Distinct HCPCS
10
Medicare allowed
$1,259,793
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 1,342 133 $122
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 1,267 122 $365
77336 Continuing radiation therapy consultation per week 313 107 $86
77427 Radiation treatment management, 5 treatment sessions 291 79 $189
77334 Design and construction of complex radiation treatment device 217 73 $113
77300 Calculation of radiation therapy dose 192 85 $66
99214 Established patient office or other outpatient visit, 30-39 minutes 136 102 $126
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 133 24 $238
99205 New patient office or other outpatient visit, 60-74 minutes 100 100 $216
77373 Cranial lesion surgery using radiation over multiple sessions 98 23 $1,017

In context: peer comparison

Among 2 peers in Bismarck Radiation Oncology Physician, average services per provider: 204. This provider delivers 25× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
165
Patients
74
Total drug cost
$1,957
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 70 29 $1,529
Lorazepam Generic 34 26 $51
Levofloxacin Generic 21 19 $41
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 14 0 $79
Omeprazole Generic 13 0 $133
Silver Sulfadiazine Generic 13 0 $123

Frequently asked questions

Auto-generated from federal data
What is Dr. John Watkins's medical specialty?
Dr. John Watkins practices Radiation Oncology Physician in Bismarck, ND.
Where does Dr. John Watkins practice?
Dr. John Watkins practices at 500 N 8Th St, Bismarck, ND 585014445. Office phone: 7012226100.
What is Dr. John Watkins's NPI?
Dr. John Watkins's National Provider Identifier (NPI) is 1558450841, issued by NPPES.
Does Dr. John Watkins accept Medicare assignment?
Yes. Dr. John Watkins accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Watkins commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Continuing radiation therapy consultation per week (HCPCS 77336). Source: CMS Medicare Physician & Other Practitioners file.