NPIMap

Individual provider Active NPI

Benjamin Walker Warren, MD

  • Gastroenterology Physician
  • Loveland, CO
National Provider Identifier
1912402512
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
74830 Issued in CO
Practice address
2725 Rocky Mountain Ave Ste 120
Loveland, CO 80538-8717
Phone
(970) 669-5432
Fax
(970) 207-1893
NPI assigned
Mar 26, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 74830 CO Primary

Addresses

Primary practice location

2725 Rocky Mountain Ave Ste 120
Loveland, CO 80538-8717

Mailing address

3702 S Timberline Rd Ste a
Fort Collins, CO 80525-3625
Phone (970) 207-9773

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, CO2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240628000676 TX Practitioner - GastroenterologyPractitioner - Internal Medicine 2769738889 Reassigns benefits to 2 organizations
I20250605002084 CO Practitioner - Gastroenterology 2769738889 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Centers for GastroenterologyGroup PAC ID 9537059555, 38 clinicians

Practice addresses (Care Compare)

2725 Rocky Mountain Ave
Suite 120
Loveland, CO 80538-8717
Phone (970) 669-5432

3702 S Timberline Rd
Suite a
Fort Collins, CO 80525-3625
Phone (970) 207-9773

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy84
Upper gastrointestinal (GI) endoscopy for acid reflux183

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
74830COMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Houston Methodist Specialty Physicians CurrentSince Jan 1, 2026 Accepting new patients
Centers for Gastroenterology Gastroenterology CurrentSince Jul 1, 2025 Accepting new patients
TMH Physician Associates PLLC Internal Medicine CurrentSince Jul 1, 2024 Accepting new patients
TMH Physician Associates PLLC CurrentSince Jul 1, 2024 Accepting new patients

Locations

3702 S Timberline Rd
Ste A
Fort Collins, CO 80525
Phone (970) 207-9773

3702 S Timberline Rd
Fort Collins, CO 80525
Phone (970) 207-9773

2725 Rocky Mountain Ave
Ste 120
Loveland, CO 80538
Phone (970) 669-5432

2555 E 13th St
Ste 220
Loveland, CO 80537
Phone (970) 669-5432

2725 Rocky Mountain Ave
Loveland, CO 80538

6445 Main St
Ste 2500
Houston, TX 77030
Phone (713) 441-3150

6550 Fannin St
Houston, TX 77030
Phone (713) 363-9604

7575 San Felipe St
Ste 155
Houston, TX 77063
Phone (713) 266-9955

16605 Southwest Fwy
Ste 400
Sugar Land, TX 77479
Phone (281) 275-0800

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 19

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 19

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1522022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1912402512",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3702 S TIMBERLINE RD STE A",
            "city": "FORT COLLINS",
            "state": "CO",
            "postal_code": "805253625",
            "telephone_number": "970-207-9773"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2725 ROCKY MOUNTAIN AVE STE 120",
            "city": "LOVELAND",
            "state": "CO",
            "postal_code": "805388717",
            "telephone_number": "970-669-5432",
            "fax_number": "970-207-1893"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "BENJAMIN",
        "middle_name": "WALKER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-03-26",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CO",
            "license": "74830",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Loveland, CO

Sources for this page

Verify at the official NPI Registry.