Benjamin Walker Warren, MD - Medicare Gastroenterology in Loveland, CO

Benjamin Walker Warren, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Loveland, Colorado. He graduated from medical school in 2018 and has 8 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Centers For Gastroenterology and his current practice location is 2725 Rocky Mountain Ave Ste 120, Loveland, Colorado. You can reach out to his office (for appointments etc.) via phone at (970) 669-5432.

Benjamin Walker Warren is licensed to practice in Colorado (license number 74830) 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 1912402512.

Contact Information

Benjamin Walker Warren, MD
2725 Rocky Mountain Ave Ste 120,
Loveland, CO 80538-8717
(970) 669-5432
(970) 207-1893

Map and Direction




Physician's Profile

Full NameBenjamin Walker Warren
GenderMale
SpecialityGastroenterology
Experience8 Years
Location2725 Rocky Mountain Ave Ste 120, Loveland, Colorado
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Benjamin Walker Warren graduated from medical school in 2018
  NPI Data:
  • NPI Number: 1912402512
  • Provider Enumeration Date: 03/26/2018
  • Last Update Date: 05/05/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 2769738889
  • Enrollment ID: I20250605002084

Medical Identifiers

Medical identifiers for Benjamin Walker Warren such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912402512NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 74830 (Colorado)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Medical Center Of The RockiesLoveland, COHospital
Uchealth Greeley HospitalGreeley, COHospital
Poudre Valley HospitalFort collins, COHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Centers For Gastroenterology953705955535

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. Benjamin Walker Warren 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 AddressPractice Location Address
Benjamin Walker Warren, MD
3702 S Timberline Rd Ste A,
Fort Collins, CO 80525-3625

Ph: (970) 207-9773
Benjamin Walker Warren, MD
2725 Rocky Mountain Ave Ste 120,
Loveland, CO 80538-8717

Ph: (970) 669-5432

Reviews and Comments


Internal Medicine Doctors in Loveland, CO

Dr. Christopher E Jones, MD, PHD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Rocky Mountain Ave, Loveland, CO 80538
Phone: 970-624-2500    
Dr. William Lopez Jr., M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 2500 Rocky Mountain Ave, North Medical Office Building, Loveland, CO 80538
Phone: 970-203-7050    Fax: 970-203-7055
Stephen L Burgert, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 2555 E 13th St, Suite 220, Loveland, CO 80537
Phone: 970-669-5432    Fax: 970-461-6275
Dr. Alexandra Rose, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2500 Rocky Mountain Ave Ste 300, Loveland, CO 80538
Phone: 970-221-9104    
Karyn P Leible, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 1303 E 11th St, Loveland, CO 80537
Phone: 970-800-5402    Fax: 970-669-6076
Dr. Edward Eugene Grosboll, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 4808 Elm Ct, Loveland, CO 80538
Phone: 970-669-7034    
Esther Liu Mondo, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 2000 Boise Ave, Loveland, CO 80538
Phone: 970-810-3894    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.