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Physician Assistant

Katrina Bayer

Works at hospitals in Cambridge, MA · Massachusetts

Summary

Katrina Bayer (Physician Assistant) is listed by Medicare at 1 hospital in Cambridge, MA. NPI 1427350586. 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 Katrina Bayer, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
FemaleGender (as listed)
Cambridge Public Health CommissionGroup practice

Quick answers

Which hospitals does Katrina Bayer work at?
Medicare's official clinician data lists Katrina Bayer at 1 hospital: Cambridge Health Alliance. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katrina Bayer see patients?
Medicare's clinician data lists 2 practice locations, including Everett, MA and Cambridge, MA. Call before your visit to confirm the address.
What is Katrina Bayer's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Katrina Bayer accept Medicare assignment?
Yes. Medicare's clinician data says Katrina Bayer 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 Katrina Bayer?
(617) 389-6270, as listed in official Medicare / NPI Registry data.
What is Katrina Bayer's NPI number?
1427350586. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katrina Bayer works

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

Group practices

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

  • Cambridge Public Health Commission656 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Massachusetts →

Other physician assistants in Everett

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

All physician assistants in Everett →

Clinician information

Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427350586
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