DR. JOHN DAVID PURVIANCE (M.D.) – Radiation Oncology Physician, NPI 1437279692
Radiation Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
15 RADIATION ONCOLOGY in WY
Provider Addresses for DR. JOHN DAVID PURVIANCE (M.D.)
6501 E 2ND ST
CASPER, WY 826094293
Phone: (307) 235-5433
Fax: (307) 233-4700
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 97 Open Payments records for all available years, with a total value of $1,955.
Total Amount is formed as General ($1,955) + Research ($0) + Ownership ($0) = $1,955.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: ABBVIE INC. ($181).
Total Amount
$1,955
General + Research + Ownership
Payments
97
Total payment records
General Amount
$1,955
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $181 |
| AstraZeneca Pharmaceuticals LP | $177 |
| Merck Sharp & Dohme LLC | $165 |
| Janssen Biotech, Inc. | $160 |
| PFIZER INC. | $143 |
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: 2007-08-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20070816000663 | I | Radiation Oncology | WY | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 20,165 | 152 | $0 |
| 77014 | Ct guidance for insertion of radiation therapy fields | 3,625 | 179 | $0 |
| 77300 | Calculation of radiation therapy dose | 1,776 | 186 | $0 |
| G6015 | Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 1,376 | 145 | $0 |
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 1,124 | 85 | $0 |
Insurance plans in this area (ZIP 82609)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | WY | 71250 | CT scan chest | 53 | 27 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OH | |
| - | WY | |
| Physician Assistant | WY | |
| Medical Oncology | WY | |
| Physician Assistant | WY | |
| Medical Oncology | AK | |
| H E M A T O L O G Y/ O N C O L O G Y | AZ | |
| Nurse Practitioner | WY |
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