Skip to main content

Are you Dr. Zallen?

Join over one million U.S. Physicians, Nurse Practitioners and PAs, already on Doximity.

  • Gain access to free telehealth tools, such as our "call shielding" and one-way patient texting.
  • Connect with colleagues in the same hospital or clinic.
  • Read the latest clinical news, personalized to your specialty.

Claim this profile

Not you? Find your profile

  • Office

    2345 Bent Way
    Longmont, CO 80503
    Phone+1 303-338-4545
    Fax+1 970-327-4228

Summary

  • Dr. Hillard Zallen, MD is a board certified family physician in Longmont, Colorado. He is currently licensed to practice medicine in Colorado and Idaho.

Education & Training

  • University of New Mexico School of Medicine
    University of New Mexico School of MedicineClass of 1999

Certifications & Licensure

  • CO State Medical License
    CO State Medical License 2004 - 2025
  • ID State Medical License
    ID State Medical License 2000 - 2005
  • Family Medicine
    American Board of Family Medicine Family Medicine