Mary Elizabeth Keyes, PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner · Amesbury, MA
Mary Elizabeth Keyes, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Amesbury, Massachusetts, and NPI 1730553371, issued on Nov 19, 2015. Check the license (Massachusetts RN2371789, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elizabeth Keyes
- Credential
- PMHNP-BC
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- RN2371789 MA
088764-23 NH
Self-reported in NPPES; status is on the state search - Practice location
- 14 Cedar St # 107A, Amesbury, MA 01913
- Phone
- (978) 358-1898
- Enumerated
- Nov 19, 2015
- Record last updated
- Jul 24, 2024
- Fax
- (978) 358-1899
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Verify Mary Elizabeth Keyes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2371789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $196.42
12 payments; by number, the most common kind was food and beverage; the largest payer was Corium, LLC. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Elizabeth Keyes among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Mary Elizabeth Keyes, PMHNP-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 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 fileNo · 60% of these records are
- Record last updated2024 · 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).
6 psychiatric/mental health nurse practitioner records list a practice address in Amesbury
They are 6 of the 513 NPPES records with a practice address in Amesbury, and 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.
All 2,169 in Massachusetts → Every provider in Amesbury → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Kimsu Marder, PMHNP-BC, CCMAmesbury, MA 019131154086718
- John Njuguna, PMHNP-BCAmesbury, MA 019131184341802
- Kenneth Pinette, NPAmesbury, MA 019131629354170
- Jill Ruggiero, ARNP, RNAmesbury, MA 019131255579439
- Samantha Upton, APRNAmesbury, MA 019131932900602
- Carolyn Caselden, PMHNP-BCBeverly, MA 019151366791717
- Loretta Cusick, RNCSBeverly, MA 019151366477614
- Marinelle GarraudBeverly, MA 019151528461340
Common questions
What is Mary Elizabeth Keyes, PMHNP-BC's NPI number?
Mary Elizabeth Keyes, PMHNP-BC's National Provider Identifier (NPI) is 1730553371, issued on Nov 19, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elizabeth Keyes, PMHNP-BC located?
The NPPES record lists a practice address at 14 Cedar St # 107A, Amesbury, MA, 01913. Phone: (978) 358-1898. Providers update this record themselves, so call before visiting.
How can I verify Mary Elizabeth Keyes, PMHNP-BC's license?
NPPES lists Massachusetts license number RN2371789, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.