Physician Profile

Mark Fesen, MD

Unclaimed Profile

About Dr. Fesen

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.

Education & Training

Specialty

Medical Oncology (Primary)

Credentials & Licensing

KS license04-24425
NPI1639149545
NPI issued01/24/2006

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.

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Fesen?

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

What is Dr. Fesen's address?

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

How can I make an appointment with Dr. Fesen?

The number on file is (620) 792-5511. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Fesen?

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

Where did Dr. Fesen train?

Dr. Fesen attended Rutgers New Jersey Medical School, graduating in 1987. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Fesen have?

Dr. Fesen has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Fesen perform?

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

Is Dr. Fesen's profile verified?

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.