Doctor profile · Federal record

Dr. John O'Connor, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Dallas, TX

  • NPI 1396709721
  • Accepts Medicare
  • MIPS 86.7 / 100 · 2023
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7777 Forest Ln Ste D110
Dallas, TX 752302567
(972) 566-7031
fax (972) 566-2690
Mailing address
Po Box 911230
Dallas, TX 753911230

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
June 16, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
Texas #M5415 · Louisiana #MD 200042
Medicaid (2)
TX #187711004 · TX #187711003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396709721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18,482
Distinct HCPCS
10
Medicare allowed
$848,416
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 14,334 145 $0
77014 Ct guidance for insertion of radiation therapy fields 918 47 $120
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 853 37 $365
77300 Calculation of radiation therapy dose 423 78 $51
77336 Continuing radiation therapy consultation per week 242 60 $87
77427 Radiation treatment management, 5 treatment sessions 230 53 $190
77334 Design and construction of complex radiation treatment device 216 79 $105
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 177 14 $238
G6013 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev 144 14 $209
71260 Ct scan of chest with contrast 118 108 $66

In context: peer comparison

Among 13 peers in Dallas Radiation Oncology Physician, average services per provider: 342. This provider delivers 54× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
22
Total drug cost
$879
Drug Type Claims Patients Total cost
Mometasone Furoate Generic 28 22 $879

Frequently asked questions

Auto-generated from federal data
What is Dr. John O'Connor's medical specialty?
Dr. John O'Connor practices Radiation Oncology Physician in Dallas, TX.
Where does Dr. John O'Connor practice?
Dr. John O'Connor practices at 7777 Forest Ln Ste D110, Dallas, TX 752302567. Office phone: 9725667031.
What is Dr. John O'Connor's NPI?
Dr. John O'Connor's National Provider Identifier (NPI) is 1396709721, issued by NPPES.
Does Dr. John O'Connor accept Medicare assignment?
Yes. Dr. John O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); 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). Source: CMS Medicare Physician & Other Practitioners file.