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Hematology

Rafael Fonseca, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Rafael Fonseca, MD (Hematology) is listed by Medicare at 1 hospital in Phoenix, AZ. NPI 1275517898. 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 Rafael Fonseca, 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

HematologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
35Years since medical school (graduated 1991)
MaleGender (as listed)
Mayo Clinic ArizonaGroup practice

Quick answers

Which hospitals does Rafael Fonseca work at?
Medicare's official clinician data lists Rafael Fonseca at 1 hospital: Mayo Clinic Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Rafael Fonseca see patients?
Medicare's clinician data lists 5 practice locations, including Scottsdale, AZ and Phoenix, AZ. Call before your visit to confirm the address.
What is Rafael Fonseca's specialty?
Medicare lists Hematology as the primary specialty.
Does Rafael Fonseca accept Medicare assignment?
Yes. Medicare's clinician data says Rafael Fonseca 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 Rafael Fonseca offer telehealth?
Medicare's clinician data says Rafael Fonseca offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Rafael Fonseca?
(480) 301-8000, as listed in official Medicare / NPI Registry data.
What is Rafael Fonseca's NPI number?
1275517898. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Rafael Fonseca works

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

Group practices

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

  • Mayo Clinic Arizona1,626 clinicians in the group

Specialties

Find other Hematology doctors in Arizona →

Other hematologists in Scottsdale

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

All hematologists in Scottsdale →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275517898
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