NPPES file of Aug 9, 2026

Cassandra Antoine, APRN

Psychiatric/Mental Health Nurse Practitioner · Boston, MA

Cassandra Antoine, APRN is a psychiatric/mental health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1346810934, issued on Jun 28, 2021. Check the license (Massachusetts RN2324982, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1346810934
Name
Cassandra Antoine
Credential
APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
RN2324982 MA
Self-reported in NPPES; status is on the state search
Practice location
1 Boston Medical Center, Boston, MA 02118
Phone
(617) 414-5245
Enumerated
Jun 28, 2021
Record last updated
Apr 1, 2025
Medicaid ID
1994171100 MA
Medicare enrollment
Enrolled (PECOS I20230117002572); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →

Also registered at 1 Boston Medical Center

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

  1. Anushka Burde, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1386138501
  2. Andrea CookeClinical Social Worker1831664358
  3. Brian Jewers, PMHNPPsychiatric/Mental Health Nurse Practitioner1841799046
  4. Jocelyn Kuhn, PHDClinical Child & Adolescent Psychologist1316404338
  5. Evan Malkiewich, LICSWClinical Social Worker1487055372
  6. Atlee Quarrier, PMHNPPsychiatric/Mental Health Nurse Practitioner1013524164

Verify Cassandra Antoine in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2324982    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
Find the Massachusetts license search

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79% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

188 Medicare Part D claims for 29 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Cassandra Antoine188
  2. Specialty average906

Most prescribed

  1. Clonazepam17 claims
  2. Gabapentin16 claims
  3. Lamotrigine14 claims
  4. Quetiapine Fumarate12 claims

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.

Bills Medicare through one group practice

  1. Boston University Psychiatry Associates, Inc.Boston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Cassandra Antoine among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts

Cassandra Antoine, APRN is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 52% of them.

  • NPI issued2021 · 52% of these records are older, 41% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2022 · median 2021 among the 1,309 with a school on file
  • Record last updated2025 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Massachusetts

There are 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.

All 2,169 in Massachusetts → Every provider in Boston → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Adeola Adejinmi, R.N.Boston, MA 021181104087998
  2. Judith Austin, PMHNPBoston, MA 021181477837409
  3. Vera BrownBoston, MA 021181851699508
  4. Nadia Carter, NPBoston, MA 021181962794370
  5. Shalisha Crouch, NPBoston, MA 021181487898904
  6. Maura Davis, NPBoston, MA 021181184843088
  7. Christy Delillo, NPBoston, MA 021181033476437
  8. Erline Destra, NPBoston, MA 021181619120490

Common questions

What is Cassandra Antoine, APRN's NPI number?

Cassandra Antoine, APRN's National Provider Identifier (NPI) is 1346810934, issued on Jun 28, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra Antoine, APRN located?

The NPPES record lists a practice address at 1 Boston Medical Center, Boston, MA, 02118. Phone: (617) 414-5245. Providers update this record themselves, so call before visiting.

How can I verify Cassandra Antoine, APRN's license?

NPPES lists Massachusetts license number RN2324982, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Cassandra Antoine, APRN prescribe under Medicare Part D?

In 2024, Cassandra Antoine, APRN had 188 Medicare Part D claims for 29 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.