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Medical Oncology

Jessica Hellyer, MD

Works at hospitals in Grand Junction, CO · Montrose, CO · Colorado

Summary

Jessica Hellyer, MD (Medical Oncology) is listed by Medicare at 2 hospitals in Grand Junction, CO and Montrose, CO. NPI 1235557398. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jessica Hellyer, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
University Of Colorado School Of Medicine, DenverMedical school
FemaleGender (as listed)
Montrose Memorial Hospital, IncGroup practice

Quick answers

Which hospitals does Jessica Hellyer work at?
Medicare's official clinician data lists Jessica Hellyer at 2 hospitals: Intermountain Health St. Mary's Regional Hospital and Montrose Regional Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jessica Hellyer see patients?
Medicare's clinician data lists 4 practice locations, including Montrose, CO. Call before your visit to confirm the address.
What is Jessica Hellyer's specialty?
Medicare lists Medical Oncology as the primary specialty.
Does Jessica Hellyer accept Medicare assignment?
Yes. Medicare's clinician data says Jessica Hellyer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jessica Hellyer?
(970) 249-2211, as listed in official Medicare / NPI Registry data.
What is Jessica Hellyer's NPI number?
1235557398. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jessica Hellyer works

Medicare's Facility Affiliation Data lists Jessica Hellyer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jessica Hellyer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jessica Hellyer as a member of this group (CMS data updated 2026-10-02).

  • Montrose Memorial Hospital, Inc148 clinicians in the group

Specialties

Find other Medical Oncology doctors in Colorado →

Other oncologists in Colorado

Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.

All oncologists in Colorado →

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235557398
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians