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Radiation Oncology

Marnee Spierer, MD

Works at hospitals in Goodyear, AZ · Arizona

Summary

Marnee Spierer, MD (Radiation Oncology) is listed by Medicare at 1 hospital in Goodyear, AZ. NPI 1033290465. 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 Marnee Spierer, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
26Years since medical school (graduated 2000)
Columbia University College Of Physicians And SurgeonsMedical school
FemaleGender (as listed)
City of Hope Medical Group of Arizona LLCGroup practice

Quick answers

Which hospitals does Marnee Spierer work at?
Medicare's official clinician data lists Marnee Spierer at 1 hospital: City of Hope Cancer Center Phoenix. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marnee Spierer see patients?
Medicare's clinician data lists 4 practice locations, including Goodyear, AZ, Scottsdale, AZ and Phoenix, AZ. Call before your visit to confirm the address.
What is Marnee Spierer's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Marnee Spierer accept Medicare assignment?
Yes. Medicare's clinician data says Marnee Spierer 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.
Does Marnee Spierer offer telehealth?
Medicare's clinician data says Marnee Spierer offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Marnee Spierer?
(623) 207-3000, as listed in official Medicare / NPI Registry data.
What is Marnee Spierer's NPI number?
1033290465. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marnee Spierer works

Medicare's Facility Affiliation Data lists Marnee Spierer 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 Marnee Spierer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • City of Hope Medical Group of Arizona LLC160 clinicians in the group

Specialties

Find other Radiation Oncology doctors in Arizona →

Other radiation oncologists in Goodyear

Clinicians with the same Medicare primary specialty in Goodyear, AZ — not a recommendation.

All radiation oncologists in Goodyear →

Clinician information

CredentialMD
Medical schoolColumbia University College Of Physicians And Surgeons
Graduation year2000
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033290465
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