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Rocky Mountain Cancer Center - John M Barnett MD

Hematology & Oncology Physician · Holistic Practitioner in Longmont, CO

2030 Mountain View Avenue # 100

Longmont, CO 80501

(303) 385-2000

Provider details

Specialty
Hematology & Oncology Physician
Credentials
MD
NPI number
1952341273

Checked against the CMS National Provider Identifier registry on October 2, 2026.

Medicare information

Medical school
Southern Illinois University School of Medicine, graduated 2000
Also sees patients at
  • Select Physical Therapy Holdings
    730 14th St Sw, Suite 200, Loveland, CO 80537 · (970) 663-0815
Hospital affiliations
  • Longs Peak Hospital, Longmont, CO · Medicare rating 5 out of 5 stars
  • Boulder Community Health, Boulder, CO · Medicare rating 4 out of 5 stars
  • Longmont United Hospital, Longmont, CO · Medicare rating 3 out of 5 stars
  • Medical Center of the Rockies, Loveland, CO · Medicare rating 5 out of 5 stars
  • Uchealth Greeley Hospital, Greeley, CO · Medicare rating 4 out of 5 stars
Medicare
Accepts Medicare assignment (the Medicare-approved amount as full payment)
Telehealth
Offers telehealth visits

From Medicare’s public Care Compare data (Doctors and Clinicians), checked October 3, 2026. Ratings are Medicare’s, not Know Cancer’s. Medicare Care Compare

About

Rocky Mountain Cancer Center - John M Barnett MD is a hematology & oncology physician in Longmont, Colorado, registered with the federal National Provider Identifier (NPI) registry. They attended Southern Illinois University School of Medicine, graduating in 2000. Contact the provider directly to confirm services, hours and accepted insurance.

Other care in Longmont

Listings are provided for information only and may be out of date. Know Cancer does not endorse any provider. Please confirm details directly with the provider.