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Hematology/Oncology

Alexander Gaitanis, MD

Works at hospitals in Hyannis, MA · Garberville, CA · Arcata, CA … · Massachusetts, California

Summary

Alexander Gaitanis, MD (Hematology/Oncology) is listed by Medicare at 5 hospitals in Hyannis, MA, Garberville, CA and Arcata, CA and other places. NPI 1114937844. 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 Alexander Gaitanis, 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

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
23Years since medical school (graduated 2003)
Philadelphia College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Providence Medical FoundationGroup practice (+1 more)

Quick answers

Which hospitals does Alexander Gaitanis work at?
Medicare's official clinician data lists Alexander Gaitanis at 5 hospitals: Cape Cod Hospital, Jerold Phelps Community Hospital, Mad River Community Hospital, Providence Redwood Memorial Hospital and Providence St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alexander Gaitanis see patients?
Medicare's clinician data lists 2 practice locations, including Hyannis, MA and Eureka, CA. Call before your visit to confirm the address.
What is Alexander Gaitanis's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Alexander Gaitanis accept Medicare assignment?
Yes. Medicare's clinician data says Alexander Gaitanis 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 Alexander Gaitanis offer telehealth?
Medicare's clinician data says Alexander Gaitanis offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alexander Gaitanis?
(774) 552-6000, as listed in official Medicare / NPI Registry data.
What is Alexander Gaitanis's NPI number?
1114937844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alexander Gaitanis works

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

Group practices

Medicare enrollment lists Alexander Gaitanis as a member of these groups (CMS data updated 2026-10-02).

  • Providence Medical Foundation1,466 clinicians in the group
  • Physicians of Cape Cod Hospital334 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Massachusetts →

Other hematologist-oncologists in Hyannis

Clinicians with the same Medicare primary specialty in Hyannis, MA — not a recommendation.

All hematologist-oncologists in Hyannis →

Clinician information

CredentialMD
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1114937844
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