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Certified Registered Nurse Anesthetist (CRNA)

Marva Somerville, CNA

Works at hospitals in Boston, MA · Cambridge, MA · Massachusetts

Summary

Marva Somerville, CNA (Certified Registered Nurse Anesthetist (CRNA)) is listed by Medicare at 2 hospitals in Boston, MA and Cambridge, MA. NPI 1568067965. 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 Marva Somerville, 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

Certified Registered Nurse Anesthetist (CRNA)Primary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
FemaleGender (as listed)
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr IncGroup practice (+1 more)

Quick answers

Which hospitals does Marva Somerville work at?
Medicare's official clinician data lists Marva Somerville at 2 hospitals: Beth Israel Deaconess Medical Center and Mount Auburn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Marva Somerville see patients?
Medicare's clinician data lists 2 practice locations, including Cambridge, MA and Boston, MA. Call before your visit to confirm the address.
What is Marva Somerville's specialty?
Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
Does Marva Somerville accept Medicare assignment?
Yes. Medicare's clinician data says Marva Somerville 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 Marva Somerville?
(781) 453-7300, as listed in official Medicare / NPI Registry data.
What is Marva Somerville's NPI number?
1568067965. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Marva Somerville works

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

Group practices

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

  • Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc1,740 clinicians in the group
  • Associated Physicians of Harvard Medical Faculty Physicians at Beth Is565 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →

Other nurse anesthetists in Cambridge

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

All nurse anesthetists in Cambridge →

Clinician information

CredentialCNA
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1568067965
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