James Anthony Mastrostefano, APRN-CNP
Family Nurse Practitioner · Newport, RI
James Anthony Mastrostefano, APRN-CNP is a family nurse practitioner with a practice address in Newport, Rhode Island, and NPI 1083384036, issued on Sep 20, 2021. Check the license (Rhode Island APRN02825, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Anthony Mastrostefano
- Credential
- APRN-CNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- APRN02825 RI
RN1047330 RI
Self-reported in NPPES; status is on the state search - Practice location
- 50 Memorial Blvd, Newport, RI 02840
- Phone
- (401) 606-4510
- Enumerated
- Sep 20, 2021
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (401) 619-4784
- Medicare enrollment
- Enrolled (PECOS I20211229001069); accepts Medicare assignment
- Medical or professional school
- Marymount University, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 791 in Rhode Island → Look up another NPI →
Also registered at 50 Memorial Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valerie Anderson, NPAdult Health Nurse Practitioner1013635184
- Ralph Earp, MDInternal Medicine Physician1104823772
- Charlene Eggeman, RN CDOERegistered Nurse1932374907
- Reumilda FranklinStudent in an Organized Health Care Education/Training Program1467159707
- Michelle Gauvin, PHARMDAmbulatory Care Pharmacist1770067449
- James Gedney, MDObstetrics & Gynecology Physician1235136706
Verify James Anthony Mastrostefano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
Search for license APRN02825Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family nurse practitioner in 2024
2,823 Medicare Part D claims for 468 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Lisinopril148 claims
- Atorvastatin Calcium132 claims
- Levothyroxine Sodium112 claims
- Amlodipine Besylate99 claims
- Hydrochlorothiazide99 claims
- Omeprazole91 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
- Coastal Medical Physicians IncJamestown, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Anthony Mastrostefano among 791 family nurse practitioner records in Rhode Island
James Anthony Mastrostefano, APRN-CNP is one of 791 family nurse practitioner records with a practice address in Rhode Island. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 63% of them.
- NPI issued2021 · 63% of these records are older, 28% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2021 · median 2019 among the 478 with a school on file
- Record last updated2021 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 family nurse practitioner records list a practice address in Newport
They are 17 of the 542 NPPES records with a practice address in Newport, and 791 family nurse practitioner records in Rhode Island.
All 791 in Rhode Island → Every provider in Newport → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lindy BricknerNewport, RI 028401538085923
- Doreen Donnelly, NPNewport, RI 028401467532168
- Jeanne Henry, RNPNewport, RI 028401154447712
- Jana Magarian, FNPNewport, RI 028401649662107
- Meredith MorenzNewport, RI 028401649801564
- Kristin ObrienNewport, RI 028401477078103
- Kelly Rosenbeck, APRN, FNP-CNewport, RI 028401659053577
- Amber Savoie, FNPNewport, RI 028401851193429
Common questions
What is James Anthony Mastrostefano, APRN-CNP's NPI number?
James Anthony Mastrostefano, APRN-CNP's National Provider Identifier (NPI) is 1083384036, issued on Sep 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is James Anthony Mastrostefano, APRN-CNP located?
The NPPES record lists a practice address at 50 Memorial Blvd, Newport, RI, 02840. Phone: (401) 606-4510. Providers update this record themselves, so call before visiting.
How can I verify James Anthony Mastrostefano, APRN-CNP's license?
NPPES lists Rhode Island license number APRN02825, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.
How much does James Anthony Mastrostefano, APRN-CNP prescribe under Medicare Part D?
In 2024, James Anthony Mastrostefano, APRN-CNP had 2,823 Medicare Part D claims for 468 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.