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Internal Medicine

Timothy Arruda, MD

Works at hospitals in Hyannis, MA · Massachusetts

Summary

Timothy Arruda, MD (Internal Medicine) is listed by Medicare at 1 hospital in Hyannis, MA. NPI 1538134333. 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 Timothy Arruda, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
New York Medical CollegeMedical school
MaleGender (as listed)
Physicians of Cape Cod HospitalGroup practice

Quick answers

Which hospitals does Timothy Arruda work at?
Medicare's official clinician data lists Timothy Arruda at 1 hospital: Cape Cod Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Timothy Arruda see patients?
Medicare's clinician data lists 1 practice location in Hyannis, MA. Call before your visit to confirm the address.
What is Timothy Arruda's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Timothy Arruda accept Medicare assignment?
Yes. Medicare's clinician data says Timothy Arruda 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 Timothy Arruda?
(774) 552-6000, as listed in official Medicare / NPI Registry data.
What is Timothy Arruda's NPI number?
1538134333. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Timothy Arruda works

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

Group practices

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

  • Physicians of Cape Cod Hospital334 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Hyannis

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

All internal medicine doctors in Hyannis →

Clinician information

CredentialMD
Medical schoolNew York Medical College
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1538134333
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