Olivia Bass, NP
Family Nurse Practitioner · Watertown, MA
Olivia Bass, NP is a family nurse practitioner with a practice address in Watertown, Massachusetts, and NPI 1669209664, issued on Sep 16, 2024. Check the license (Massachusetts RN2286284, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Olivia Bass
- Credential
- NP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2286284 MA
Self-reported in NPPES; status is on the state search - Practice location
- 485 Arsenal St, Watertown, MA 02472
- Phone
- (617) 972-5230
- Enumerated
- Sep 16, 2024
- Entity
- Type 1 · individual
Also registered at 485 Arsenal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allen, PHARMD, CDCES, BCACPAmbulatory Care Pharmacist1285890566
- Nicole Allie, PHARMD, CGPGeriatric Pharmacist1104933936
- Ehsan Azimi, M.D.Internal Medicine Physician1437475829
- Mark Bauer, M.D.Internal Medicine Physician1487625307
- Edward Bauman, PSYDPsychologist1174575674
- James Brown, PTPhysical Therapist1912966565
Verify Olivia Bass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2286284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
26 family nurse practitioner records list a Watertown practice address
They are 26 of the 873 NPPES records with a Watertown practice address, and 4,241 family nurse practitioner records in Massachusetts.
All 26 in Watertown → All 4,241 in Massachusetts → Every provider in Watertown →
Other family nurse practitioner records in Massachusetts
- Christina Abate, N.P.Boston, MA1235414970
- Katelynne Abbott, NPDanvers, MA1932355880
- Georgette Abboud, FNP-CHanscom Afb, MA1538593686
- Irfana Abdulhameed, FNPNorthborough, MA1417661786
- Christine Abraham, NPSouthborough, MA1215774658
- Catherine Abrams, FNP-CNorth Dartmouth, MA1528790599
- Wendy Abrams, FNPBoston, MA1962557801
- Michelle Abreu, FNP-BCArlington, MA1346138914
- Karolyn Abreu Blanco, FNP-BCLawrence, MA1043007644
- Carleigh AbromovitzBoston, MA1861215261
Common questions
What is Olivia Bass, NP's NPI number?
Olivia Bass, NP's National Provider Identifier (NPI) is 1669209664, issued on Sep 16, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Olivia Bass, NP located?
The NPPES record lists a practice address at 485 Arsenal St, Watertown, MA, 02472. Phone: (617) 972-5230. Providers update this record themselves, so call before visiting.
How can I verify Olivia Bass, NP's license?
NPPES lists Massachusetts license number RN2286284, 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.