NPPES file of Aug 9, 2026

Elizabeth Gruber, RN, MSN, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Cohasset, MA

Elizabeth Gruber, RN, MSN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Cohasset, Massachusetts, and NPI 1487041844, issued on Apr 22, 2015. Check the license (Massachusetts RN198037, 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
1487041844
Name
Elizabeth Gruber
Credential
RN, MSN, PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
RN198037 MA
Self-reported in NPPES; status is on the state search
Practice location
759 Cjc Hwy # 226, Cohasset, MA 02025
Phone
(781) 307-0505
Enumerated
Apr 22, 2015
Record last updated
Dec 9, 2024
Medicare enrollment
Enrolled (PECOS I20170112001054); 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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Verify Elizabeth Gruber 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 RN198037    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
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31% more Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

1,186 Medicare Part D claims for 115 beneficiaries, 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. Elizabeth Gruber1,186
  2. Specialty average906

Most prescribed

  1. Escitalopram Oxalate260 claims
  2. Trazodone Hcl237 claims
  3. Quetiapine Fumarate149 claims
  4. Mirtazapine107 claims
  5. Duloxetine Hcl51 claims
  6. Aripiprazole50 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.

3 psychiatric/mental health nurse practitioner records list a practice address in Cohasset

They are 3 of the 125 NPPES records with a practice address in Cohasset, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.

All 3 in Cohasset → All 2,169 in Massachusetts → Every provider in Cohasset →

Other psychiatric/mental health nurse practitioner records in Massachusetts

  1. Rachel Abarbanel, PMHNP-BCBrookline, MA1326608456
  2. Gabrielle Abelard, PMHCNS, BCStoughton, MA1811198740
  3. Dorcas Abimaje, PMHNPLongmeadow, MA1346099207
  4. Sandra Abrahamian, PMHNPWorcester, MA1528418027
  5. Hadiza Abubakar, CNPWorcester, MA1295312395
  6. Samuel AcheampongFramingham, MA1124960083
  7. Queen Achoakawa, NPCanton, MA1386571339
  8. Daniel Ackroyd, BCPMHNPTewksbury, MA1104103993
  9. Alannah AcostaSalem, MA1811690514
  10. Michele Adam, NPLynn, MA1295970192

Common questions

What is Elizabeth Gruber, RN, MSN, PMHNP-BC's NPI number?

Elizabeth Gruber, RN, MSN, PMHNP-BC's National Provider Identifier (NPI) is 1487041844, issued on Apr 22, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Gruber, RN, MSN, PMHNP-BC located?

The NPPES record lists a practice address at 759 Cjc Hwy # 226, Cohasset, MA, 02025. Phone: (781) 307-0505. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Gruber, RN, MSN, PMHNP-BC's license?

NPPES lists Massachusetts license number RN198037, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Gruber, RN, MSN, PMHNP-BC prescribe under Medicare Part D?

In 2024, Elizabeth Gruber, RN, MSN, PMHNP-BC had 1,186 Medicare Part D claims for 115 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.