MARK FESEN (MD) – Medical Oncology Physician, NPI 1639149545
Medical Oncology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
52 MEDICAL ONCOLOGY in KS
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Provider Addresses for MARK FESEN (MD)
204, Cleveland Street, Great Bend, Barton County, Kansas, 67530, United States
GREAT BEND, KS 675303563
Phone: (620) 792-5511
Fax: (620) 792-5977
Type: Location
730 Medical Center Dr
Newton, KS 671148778
Phone: (316) 283-1141
Fax: (316) 283-1168
Type: Location
410 E Spruce St
Garden City, KS 678465659
Phone: (620) 272-2579
Fax: (620) 272-2685
Type: Location
1401 W 12th Ave
Emporia, KS 668012570
Phone: (620) 342-1117
Fax: (855) 774-5285
Type: Location
256, Champion Way, Salina Hills, Gloucester County, New Jersey, 08080, United States
SALINA, KS 674020256
Phone: (785) 823-0633
Fax: (785) 823-0658
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 215 Open Payments records for all available years, with a total value of $3,805.
Total Amount is formed as General ($3,805) + Research ($0) + Ownership ($0) = $3,805.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($363).
Total Amount
$3,805
General + Research + Ownership
Payments
215
Total payment records
General Amount
$3,805
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
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: 2005-05-11
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 |
|---|---|---|---|---|
| I20050511000540 | I | Medical Oncology | KS | 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 |
|---|---|---|---|---|
| J9263 | Injection, oxaliplatin, 0.5 mg | 25,080 | 11 | $0 |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 15,950 | 11 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 11,800 | 12 | $0 |
| J1437 | Injection, ferric derisomaltose, 10 mg | 7,300 | 53 | $0 |
| J0897 | Injection, denosumab, 1 mg | 7,200 | 26 | $0 |
Insurance plans in this area (ZIP 67530)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | KS | |
| H E M A T O L O G Y/ O N C O L O G Y | KS | |
| - | KS | |
| - | KS | |
| Nurse Practitioner | MO | |
| - | KS | |
| Radiation Oncology | KS | |
| Medical Oncology, Hematology/Oncology, Internal Medicine | KS | |
| H E M A T O L O G Y/ O N C O L O G Y | NY | |
| - | KS |
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