NPPES file of Aug 9, 2026

Louisa Eileen Martin, PMHCNS-BC

Psychiatric/Mental Health Nurse Practitioner · Waltham, MA

Louisa Eileen Martin, PMHCNS-BC is a psychiatric/mental health nurse practitioner with a practice address in Waltham, Massachusetts, and NPI 1669439337, issued on Apr 27, 2006. Check the license (Massachusetts 238093, 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
1669439337
Name
Louisa Eileen Martin
Credential
PMHCNS-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
238093 MA
Self-reported in NPPES; status is on the state search
Practice location
210 Bear Hill RD, Waltham, MA 02451
Phone
(781) 966-0070
Enumerated
Apr 27, 2006
Record last updated
Jan 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(781) 915-0755
Medicare enrollment
Enrolled (PECOS I20210326002140); 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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Also registered at 210 Bear Hill RD

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

  1. Kelly BilodeauCounselor1306514765
  2. Michael Godek, RPHPharmacist1902189996
  3. Joe GonzalezPharmacist1639454978
  4. Jennifer Gugliotti, LMHCCounselor1265171052
  5. Steven Kanner, MDInternal Medicine Physician1740270289
  6. Nicole Mayo, OTR/LOccupational Therapist1922441096

Verify Louisa Eileen Martin 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 238093
    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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68% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

294 Medicare Part D claims for 20 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Louisa Martin294
  2. Specialty average906

Most prescribed

  1. Lorazepam34 claims
  2. Fluoxetine Hcl26 claims
  3. Trazodone Hcl25 claims
  4. Quetiapine Fumarate24 claims
  5. Clonazepam19 claims
  6. Escitalopram Oxalate18 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: $13.53

1 payment: 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. Louisa Martin$13.53
  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.

Louisa Eileen Martin among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts

Louisa Eileen Martin, PMHCNS-BC 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 95% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2001 · median 2021 among the 1,309 with a school on file
  • Record last updated2020 · 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).

20 psychiatric/mental health nurse practitioner records list a practice address in Waltham

They are 20 of the 2,111 NPPES records with a practice address in Waltham, 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. Alberta Adu, CNPWaltham, MA 024511528722451
  2. Judith Casarella, APRNWaltham, MA 024511528127750
  3. Samson Osebor, RNWaltham, MA 024511578298907
  4. Lisa Shrestha, NPWaltham, MA 024511023854213
  5. Guerline SimonWaltham, MA 024511780529974
  6. Elise SpintzykWaltham, MA 024511710573753
  7. Samuel DavidsonWaltham, MA 024521831885615
  8. Eleni Koudanis, APRNWaltham, MA 024521700661253

Common questions

What is Louisa Eileen Martin, PMHCNS-BC's NPI number?

Louisa Eileen Martin, PMHCNS-BC's National Provider Identifier (NPI) is 1669439337, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Louisa Eileen Martin, PMHCNS-BC located?

The NPPES record lists a practice address at 210 Bear Hill RD, Waltham, MA, 02451. Phone: (781) 966-0070. Providers update this record themselves, so call before visiting.

How can I verify Louisa Eileen Martin, PMHCNS-BC's license?

NPPES lists Massachusetts license number 238093, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Louisa Eileen Martin, PMHCNS-BC prescribe under Medicare Part D?

In 2024, Louisa Eileen Martin, PMHCNS-BC had 294 Medicare Part D claims for 20 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.

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.