Samuel Davidson
Psychiatric/Mental Health Nurse Practitioner · Waltham, MA
Samuel Davidson is a psychiatric/mental health nurse practitioner with a practice address in Waltham, Massachusetts, and NPI 1831885615, issued on Apr 13, 2023. Check the license (Massachusetts RN2338730, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Samuel Davidson
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- RN2338730 MA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Lexington St Ste 300, Waltham, MA 02452
- Phone
- (978) 662-1002
- Enumerated
- Apr 13, 2023
- Record last updated
- Sep 9, 2025
- Fax
- (978) 767-4757
- Medicare enrollment
- Enrolled (PECOS I20250730004447); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Also registered at 6 Lexington St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mawya Shocair, M.D.Nephrology Physician1457308140
Verify Samuel Davidson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2338730Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Samuel Davidson among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Samuel Davidson 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 not. Its NPI, issued in 2023, is newer than 67% of them.
- NPI issued2023 · 67% of these records are older, 24% newer
- In a Medicare fileNo · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2023 · 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).
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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,169 in Massachusetts → Every provider in Waltham → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Eleni Koudanis, APRNWaltham, MA 024521700661253
- Miriam Lopes Nakasi, PMHNPWaltham, MA 024521093492647
- Maria Nanyonjo, PMHNP-BCWaltham, MA 024521497644603
- Simon Selwyn, CNPWaltham, MA 024521821576935
- Alberta Adu, CNPWaltham, MA 024511528722451
- Judith Casarella, APRNWaltham, MA 024511528127750
- Kathleen Davidson, RNCSWaltham, MA 024531366554149
- Rachel Egan, RN, PMHNP-BCWaltham, MA 024531285024448
Common questions
What is Samuel Davidson's NPI number?
Samuel Davidson's National Provider Identifier (NPI) is 1831885615, issued on Apr 13, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Davidson located?
The NPPES record lists a practice address at 6 Lexington St Ste 300, Waltham, MA, 02452. Phone: (978) 662-1002. Providers update this record themselves, so call before visiting.
How can I verify Samuel Davidson's license?
NPPES lists Massachusetts license number RN2338730, 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. 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.