Summary

Dr. J. Mark Barnett treats prostate cancer, recurrent prostate cancer, and advanced or metastatic prostate cancer. He has practiced hematology and oncology for 26 years and is board-certified in internal medicine by the American Board of Internal Medicine. Dr. Barnett earned his medical degree from Southern Illinois University School of Medicine and sees patients in Longmont, Colorado.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 26 years of experience
  • 39 insurance plans accepted
  • speaks English
  • Southern Illinois Univ School of Medicine
  • 1 written review
  • 2 specialties
  • 14 areas of expertise
  • 1 board certification
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Rocky Mountain Cancer Centers - Longmont

1760 E Ken Pratt Blvd Ste 302Longmont, CO 80504
Mon7:30 am - 4:30 pm
Tue7:30 am - 4:30 pm
Wed7:30 am - 4:30 pm
Thu7:30 am - 4:30 pm
Fri7:30 am - 4:30 pm
SatClosed
SunClosed

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J. Mark Barnett, MD
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J. Mark Barnett, MDDr. Todd Marshall Deboom, MDDr. Mitchell Alan BitterDr. Thomas Stephan Neuhauser, MD
HematologyPathologyPathologyPathology
Accepts New Patients
3.4 
1 
0 
0 
26 Years of Experience 33 Years of Experience 48 Years of Experience 34 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English
Longmont , COLongmont , COYuma , COLoveland , CO
Med School: Southern Illinois Univ School of Medicine Med School: University Of Iowa Med School: Univ Of Chicago Division Of Biological Sciences Pritzker School Of Medicine Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
Current Profile
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Insurance Plans Accepted by J. Mark Barnett

  • AARP
  • AARP - Medicare
  • AARP - PPO
  • Aetna
  • Anthem Blue Cross
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CHAMPVA
  • Cigna
  • Cigna-HealthSpring
  • Clear Spring Health
  • Colorado Access
  • Family Health Network
  • GEHA
  • GEHA - HMO
  • GEHA - PPO
  • Golden Rule - PPO
  • HealthPartners
  • HealthPartners - PPO
  • Humana
  • Humana - HMO
  • Humana - Medicare (Advantage HMO)
  • Kaiser Permanente
  • Medica - POS
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medical Mutual
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Optum Health
  • Tricare
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - Medicare (Advantage HMO)
  • UnitedHealthcare - POS
  • UnitedHealthcare - PPO

Medical Specialties

J. Mark Barnett has the following 2 specialties

Specialty Expertise

J. Mark Barnett has the following 14 areas of expertise

  • Acute Myeloid Leukemia
  • Bone Marrow Transplant
  • Cancer
  • Chemotherapy
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Hepatitis C
  • Hodgkin's Lymphoma
  • Leukemia
  • Lymphoma
  • Myelofibrosis
  • Myeloma
  • Oncology

Certifications, License, & Education

26 Years Experience

J. Mark Barnett holds an active medical license in the state of Colorado. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an active medical license in the state of Colorado that expires in 2027.

Education & Training

Medical School

Graduated from Southern Illinois Univ School of Medicine in 2000.

NPI Number

J. Mark Barnett's NPI number is 1952341273.

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Frequently Asked Questions

Does J. Mark Barnett accept my insurance?
You can see the insurance plans that J. Mark Barnett accepts on their Vitals profile.
Does J. Mark Barnett accept virtual/telehealth appointments?
J. Mark Barnett has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is J. Mark Barnett accepting new patients?
J. Mark Barnett is accepting new patients on Vitals. View J. Mark Barnett's profile on Vitals to make an appointment.
Where is J. Mark Barnett's office located?
J. Mark Barnett's office is located at 1760 E Ken Pratt Blvd Ste 302, Longmont, CO, 80504.
What languages does J. Mark Barnett speak?
J. Mark Barnett speaks English.

Data Sources

This provider profile is built using data from:

  • NPPES NPI Registry
  • State medical licensing boards
  • Board certification bodies (such as ABMS)

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