Physician Profile
Based in Great Bend, KS, Mark Fesen, MD is listed in the NPI registry under medical oncology. Mark graduated from Rutgers New Jersey Medical School in 1987. Medicare claims data shows Mark provided 167,701 services to 1,592 patients. The services billed most often include injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram, injection, pembrolizumab, 1 mg, and injection, paclitaxel, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
204 CLEVELAND ST
Great Bend, KS 67530
730 Medical Center Dr
Newton, KS 67114
410 E Spruce St
Garden City, KS 67846
1401 W 12th Ave
Emporia, KS 66801
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Most searched procedures
Cancer treatment care
Complication management
Consultations
Diagnostic testing
Diagnostics
Infusions
Injections
Medication management
Patient education
Port and line care
Procedures
Specialized treatments
Specialty treatments
Supportive care
Treatment side effects
Vascular access
167,701 services · 1,592 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
270 | As often as other peers in Medical Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
955 | More than most peers in Medical Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
620 | More than most peers in Medical Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
553 | More than most peers in Medical Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
399 | More than most peers in Medical Oncology |
| Infusion into a vein for hydration, each additional hour | Treatment | 96361 |
264 | More than most peers in Medical Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
251 | More than most peers in Medical Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | Treatment | 96366 |
243 | More often than most peers in Medical Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
206 | As often as other peers in Medical Oncology |
| Infusion into a vein for hydration, 31-60 minutes | Treatment | 96360 |
138 | More than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Fesen is an oncologist in Great Bend, KS. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Dr. Fesen is listed at 204 Cleveland St, Great Bend, KS 67530. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (620) 792-5511. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Fesen's National Provider Identifier is 1639149545. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Fesen attended Rutgers New Jersey Medical School, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Dr. Fesen has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Fesen performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fesen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.