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Hematology/Oncology

Molly A. Sullivan, MD

Works at hospitals in Hyannis, MA · Massachusetts

Summary

Molly A. Sullivan, MD (Hematology/Oncology) is listed by Medicare at 1 hospital in Hyannis, MA. NPI 1679679906. 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 Molly A. Sullivan, 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
35Years since medical school (graduated 1991)
Georgetown University School Of MedicineMedical school
FemaleGender (as listed)
Physicians of Cape Cod HospitalGroup practice

Quick answers

Which hospitals does Molly A. Sullivan work at?
Medicare's official clinician data lists Molly A. Sullivan at 1 hospital: Cape Cod Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Molly A. Sullivan see patients?
Medicare's clinician data lists 1 practice location in Hyannis, MA. Call before your visit to confirm the address.
What is Molly A. Sullivan's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Molly A. Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Molly A. Sullivan 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 Molly A. Sullivan?
(774) 552-6000, as listed in official Medicare / NPI Registry data.
What is Molly A. Sullivan's NPI number?
1679679906. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Molly A. Sullivan works

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

Group practices

Medicare enrollment lists Molly A. Sullivan as a member of this group (CMS data updated 2026-10-02).

  • 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 schoolGeorgetown University School Of Medicine
Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679679906
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