Carolyn Dinjian, NP
Primary Care Nurse Practitioner · Watertown, MA
Carolyn Dinjian, NP is a primary care nurse practitioner with a practice address in Watertown, Massachusetts, and NPI 1912464793, issued on Feb 27, 2019. Check the license (Massachusetts RN2311933, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carolyn Dinjian
- Credential
- NP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- RN2311933 MA
Self-reported in NPPES; status is on the state search - Practice location
- 485 Arsenal St, Watertown, MA 02472
- Phone
- (617) 972-5100
- Enumerated
- Feb 27, 2019
- Record last updated
- Jan 4, 2023
- Medicare enrollment
- Enrolled (PECOS I20190508002188); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 376 in Massachusetts → Look up another NPI →
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
- Olivia Bass, NPFamily Nurse Practitioner1669209664
- Mark Bauer, M.D.Internal Medicine Physician1487625307
- Edward Bauman, PSYDPsychologist1174575674
Verify Carolyn Dinjian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2311933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
283 Medicare Part D claims for 86 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Atorvastatin Calcium21 claims
- Rosuvastatin Calcium15 claims
- Sertraline Hcl12 claims
- Trazodone Hcl11 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.
Bills Medicare through one group practice
- Atrius Health IncWatertown, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carolyn Dinjian among 376 primary care nurse practitioner records in Massachusetts
Carolyn Dinjian, NP is one of 376 primary care nurse practitioner records with a practice address in Massachusetts. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 56% of them.
- NPI issued2019 · 56% of these records are older, 36% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2018 · median 2019 among the 196 with a school on file
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Massachusetts
There are 376 primary care nurse practitioner records in Massachusetts.
All 376 in Massachusetts → Every provider in Watertown → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Sarah Kaye, N.P.Watertown, MA 024721992259741
- Dimitri Lamisere, AGPCNP-BCWatertown, MA 024721770232787
- Fabiana Saad, NPWatertown, MA 024721932585692
- Elizabeth Myers, NPArlington, MA 024761013715747
- Stacey Barone, PHD, NP-C, CRRNChestnut Hill, MA 024671477229763
- Kimberly Newbury, ANP-BCAuburndale, MA 024661811260508
- Susan Sansby, RN, NPAuburndale, MA 024661629499868
- Ariel WarrenBelmont, MA 024781538661582
Common questions
What is Carolyn Dinjian, NP's NPI number?
Carolyn Dinjian, NP's National Provider Identifier (NPI) is 1912464793, issued on Feb 27, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn Dinjian, NP located?
The NPPES record lists a practice address at 485 Arsenal St, Watertown, MA, 02472. Phone: (617) 972-5100. Providers update this record themselves, so call before visiting.
How can I verify Carolyn Dinjian, NP's license?
NPPES lists Massachusetts license number RN2311933, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Carolyn Dinjian, NP prescribe under Medicare Part D?
In 2024, Carolyn Dinjian, NP had 283 Medicare Part D claims for 86 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.