RUFUS J. MARK – Radiation Oncology Physician, NPI 1992786628
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
130 RADIATION ONCOLOGY in TN
Provider Addresses for RUFUS J. MARK
104, Northwest 31st Street, Lawton, Comanche County, Oklahoma, 73505, United States
LAWTON, OK 735056100
Phone: (580) 536-2121
Fax: (580) 250-5183
Type: Mailing
PO BOX 24120
KNOXVILLE, TN 379332120
Phone: (865) 803-4321
Fax: (580) 250-5183
Type: Mailing
421 SOUTH MAIN STREET
CROSSVILLE, TN 385555048
Phone: (931) 456-8390
Fax: (931) 456-8389
Type: Location
4611, East Shea Boulevard, Firebrand Ranch, Phoenix, Maricopa County, Arizona, 85028, United States
STE 120
PHOENIX, AZ 850284255
Phone: (602) 441-3845
Fax: (606) 464-9769
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $408.
Total Amount is formed as General ($408) + Research ($0) + Ownership ($0) = $408.
Last reported payment date: 2024-11-19 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($115).
Total Amount
$408
General + Research + Ownership
Payments
21
Total payment records
General Amount
$408
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-19
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2024-03-27
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080909000070 | I | Radiation Oncology | TX | TBD |
| I20201113000506 | I | Radiation Oncology | OK | TBD |
| I20240327002435 | I | Radiation Oncology | TN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 77014 | Ct guidance for insertion of radiation therapy fields | 897 | 82 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 508 | 114 | $0 |
| 77300 | Calculation of radiation therapy dose | 194 | 40 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 153 | 58 | $0 |
| G6012 | Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 128 | 18 | $0 |
Insurance plans in this area (ZIP 73505)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | AZ | 77263 | Management of radiation therapy, complex | 45 | 45 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | TN | |
| Radiation Oncology | FL | |
| Radiation Oncology | TN | |
| Radiation Oncology | TN | |
| - | TN | |
| Radiation Oncology | TN | |
| Nurse Practitioner | TN | |
| Radiation Oncology | TN |
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