NPPES file of Aug 9, 2026

Cassandre Voltaire, D.O.

Family Medicine Physician · Brighton, MA

Cassandre Voltaire, D.O. is a family medicine physician with a practice address in Brighton, Massachusetts, and NPI 1922539360, issued on Mar 27, 2017. Check the license (Massachusetts 277027, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922539360
Name
Cassandre Voltaire
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
277027 MA
Self-reported in NPPES; status is on the state search
Practice location
495 Western Ave, Brighton, MA 02135
Phone
(617) 783-0500
Enumerated
Mar 27, 2017
Record last updated
Aug 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 495 Western Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nneka Adichie, DOFamily Medicine Physician1306472527
  2. Paul Allen, MDInternal Medicine Physician1174660732
  3. Dara Arons, M.D.Family Medicine Physician1548434566
  4. Michael Arroyo, LDOOptician1558927624
  5. Hilary Baker, ODOptometrist1225413198
  6. Ana Monica Batkis-Odonnell, LMHCMental Health Counselor1447672761

Verify Cassandre Voltaire in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 277027
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average family medicine physician in 2024

62 Medicare Part D claims for 48 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Cassandre Voltaire62
  2. Specialty average3,544

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Cassandre Voltaire among 2,265 family medicine physician records in Massachusetts

Cassandre Voltaire, D.O. is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 78% of them.

  • NPI issued2017 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Family Medicine Physician providers in Massachusetts

There are 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nneka Adichie, DOBrighton, MA 021351306472527
  2. Delphine Alignol, NPCambridge, MA 021351730645847
  3. Dara Arons, M.D.Brighton, MA 021351548434566
  4. Aviva Friedman, MDBrighton, MA 021351518453588
  5. Jiani Guo, D.O.Brighton, MA 021351134418825
  6. Erin Maxfield, DOBrighton, MA 021351861997983
  7. Elizabeth Molina Ortiz, MDBrighton, MA 021351023219524
  8. Kailas Rumjahn Gryte, MDBrighton, MA 021351689475162

Common questions

What is Cassandre Voltaire, D.O.'s NPI number?

Cassandre Voltaire, D.O.'s National Provider Identifier (NPI) is 1922539360, issued on Mar 27, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Cassandre Voltaire, D.O. located?

The NPPES record lists a practice address at 495 Western Ave, Brighton, MA, 02135. Phone: (617) 783-0500. Providers update this record themselves, so call before visiting.

How can I verify Cassandre Voltaire, D.O.'s license?

NPPES lists Massachusetts license number 277027, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Cassandre Voltaire, D.O. prescribe under Medicare Part D?

In 2024, Cassandre Voltaire, D.O. had 62 Medicare Part D claims for 48 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.