NPPES file of Aug 9, 2026

Matthew Ellam, CNP

Psychiatric/Mental Health Nurse Practitioner · Brookline, MA

Matthew Ellam, CNP is a psychiatric/mental health nurse practitioner with a practice address in Brookline, Massachusetts, and NPI 1083006696, issued on Feb 19, 2015. Check the license (Massachusetts RN2295977, 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
1083006696
Name
Matthew Ellam
Credential
CNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
RN2295977 MA
Self-reported in NPPES; status is on the state search
Practice location
1330 Beacon St Ste 202, Brookline, MA 02446
Phone
(617) 354-4450
Enumerated
Feb 19, 2015
Record last updated
Mar 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170118000782); accepts Medicare assignment
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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Also registered at 1330 Beacon St Ste 202

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

  1. Kayla Brown, LMHCMental Health Counselor1407789555
  2. Caroline Burbank, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1316538549
  3. Nobska GoodhueClinical Social Worker1376296954
  4. Ludmila Krivitsky, PHDCounseling Psychologist1366901001
  5. Isabel Leveque, LMHCMental Health Counselor1356032254

Verify Matthew Ellam 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 RN2295977
    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

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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95% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

47 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Matthew Ellam47
  2. Specialty average906

Most prescribed

  1. Methylphenidate Hcl13 claims
  2. Clonazepam11 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.

Industry payments in 2024: $70.23

4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Matthew Ellam$70.23
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Matthew Ellam among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts

Matthew Ellam, CNP 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 2015, is newer than 24% of them.

  • NPI issued2015 · 24% of these records are older, 73% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2021 among the 1,309 with a school on file
  • Record last updated2021 · 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).

23 psychiatric/mental health nurse practitioner records list a practice address in Brookline

They are 23 of the 2,357 NPPES records with a practice address in Brookline, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.

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

  1. Rachel Abarbanel, PMHNP-BCBrookline, MA 024461326608456
  2. Caron Bixby, NPBrookline, MA 024461457783565
  3. Caroline Burbank, PMHNP-BCBrookline, MA 024461316538549
  4. Linda FinguerraBrookline, MA 024461255458840
  5. Jaeyoung Han, NPBrookline, MA 024461881296556
  6. Nicole Kennedy, RNBrookline, MA 024461184496457
  7. Ainat Koren, PHD, DNP, PMHNPBrookline, MA 024461710575857
  8. Theresa Lesniak, ARNPBrookline, MA 024461316294739

Common questions

What is Matthew Ellam, CNP's NPI number?

Matthew Ellam, CNP's National Provider Identifier (NPI) is 1083006696, issued on Feb 19, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Ellam, CNP located?

The NPPES record lists a practice address at 1330 Beacon St Ste 202, Brookline, MA, 02446. Phone: (617) 354-4450. Providers update this record themselves, so call before visiting.

How can I verify Matthew Ellam, CNP's license?

NPPES lists Massachusetts license number RN2295977, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Matthew Ellam, CNP prescribe under Medicare Part D?

In 2024, Matthew Ellam, CNP had 47 Medicare Part D claims; 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.

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.