Dr Benjamin Donner Willen, MD in Greeley, CO - Medicare Radiation Oncology

Dr Benjamin Donner Willen, MD is a medicare enrolled "Radiology - Radiation Oncology" physician in Greeley, Colorado. He went to Wright State University Boonshoft School Of Medicine and graduated in 2018 and has 8 years of diverse experience with area of expertise as Radiation Oncology. He is a member of the group practice Catholic Health Initiatives Colorado and his current practice location is 1801 16th St, Greeley, Colorado. You can reach out to his office (for appointments etc.) via phone at (970) 810-3894.

Dr Benjamin Donner Willen is licensed to practice in Colorado (license number DR.0073871) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1437643905.

Contact Information

	Dr Benjamin Donner Willen, MD
	1801 16th St, Greeley, CO 80631-5154
	(970) 810-3894
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Benjamin Donner Willen
Gender	Male
Speciality	Radiation Oncology
Experience	8 Years
Location	1801 16th St, Greeley, Colorado
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Benjamin Donner Willen attended and graduated from Wright State University Boonshoft School Of Medicine in 2018

NPI Data:

NPI Number: 1437643905
Provider Enumeration Date: 06/19/2018
Last Update Date: 01/15/2026

Medicare PECOS Information:

PECOS PAC ID: 4981950508
Enrollment ID: I20240920001320

Medical Identifiers

Medical identifiers for Dr Benjamin Donner Willen such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1437643905	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2085R0001X	Radiology - Radiation Oncology	4351032337 (Michigan)	Secondary
2085R0001X	Radiology - Radiation Oncology	DR.0073871 (Colorado)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Longmont United Hospital	Longmont, CO	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Catholic Health Initiatives Colorado	8022927342	1231

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Benjamin Donner Willen allows following entities to bill medicare on his behalf.

Entity Name	Catholic Health Initiatives Colorado
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1356783351 PECOS PAC ID: 8022927342 Enrollment ID: O20031215000462

Entity Name	Banner Hospital Based Physicians Colorado Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1154679637 PECOS PAC ID: 6800031386 Enrollment ID: O20130404000393

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Benjamin Donner Willen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Benjamin Donner Willen, MD 1801 16th St, Greeley, CO 80631-5154 Ph: () -	Dr Benjamin Donner Willen, MD 1801 16th St, Greeley, CO 80631-5154 Ph: (970) 810-3894

Reviews and Comments

Radiology Doctors in Greeley, CO

Laurie Gaspar, MD Radiology Medicare: Not Enrolled in Medicare Practice Location: 1800 15th St Ste A, Greeley, CO 80631 Phone: 970-810-3894
Dr. Samuel Edward Fuller, MD Radiology Medicare: Accepting Medicare Assignments Practice Location: 1801 16th St, Greeley, CO 80631 Phone: 303-761-9190 Fax: 720-874-4462
Dr. Gareth K Roberts, M.D. Radiology Medicare: Not Enrolled in Medicare Practice Location: 5890 W 13th St, Suite 104, Greeley, CO 80634 Phone: 970-392-5400
Dr. Aron James Splichal, D.O. Radiology Medicare: Accepting Medicare Assignments Practice Location: 1801 16th St, Greeley, CO 80631 Phone: 303-761-9190 Fax: 720-874-4462
Dustin Lee Boothe, MD Radiology Medicare: Accepting Medicare Assignments Practice Location: 1800 15th St Ste A, Greeley, CO 80631 Phone: 970-820-5941
Dr. Richard Lynn Coursey Jr., M.D. Radiology Medicare: Accepting Medicare Assignments Practice Location: 1801 16th St, Greeley, CO 80631 Phone: 303-761-9190 Fax: 720-874-4462

Dr Benjamin Donner Willen, MD - Medicare Radiation Oncology in Greeley, CO