Jennie Mastroianni, RNC, MS, NP
Obstetrics & Gynecology Nurse Practitioner · Newton, MA
Jennie Mastroianni, RNC, MS, NP is an obstetrics & gynecology nurse practitioner with a practice address in Newton, Massachusetts, and NPI 1134137821, issued on Aug 4, 2006. Check the license (Massachusetts 143919, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennie Mastroianni
- Credential
- RNC, MS, NP
- Primary taxonomy
- Obstetrics & Gynecology Nurse Practitioner 363LX0001X
- License number
- 143919 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2014 Washington St, Newton, MA 02462
- Phone
- (617) 243-5498
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (617) 243-6922
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology nurse practitioner records → All 89 in Massachusetts → Look up another NPI →
Also registered at 2014 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jennie Mastroianni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 143919Check 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% fewer Medicare Part D claims than the average obstetrics & gynecology nurse practitioner in 2024
194 Medicare Part D claims for 79 beneficiaries, against an average of 198 among the 1,094 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol108 claims
- Estring20 claims
- Yuvafem13 claims
- Clobetasol Propionate11 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.
Industry payments in 2024: $285.00
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Astellas Pharma US Inc. The 1,033 providers of this specialty with any payment received $439.39 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.
Jennie Mastroianni among 89 obstetrics & gynecology nurse practitioner records in Massachusetts
Jennie Mastroianni, RNC, MS, NP is one of 89 obstetrics & gynecology nurse practitioner records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 67% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2007 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Nurse Practitioner providers in Massachusetts
There are 89 obstetrics & gynecology nurse practitioner records in Massachusetts.
All 89 in Massachusetts → Every provider in Newton → Obstetrics & Gynecology Nurse Practitioner nationwide →
The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes
- Courteney Martin, WHNP-BCNewton, MA 024621487443347
- Renee Rotman, NPChestnut Hill, MA 024671730455494
- Stephanie Tatoian, NPWatertown, MA 024721063656205
- Christen Anderson, NPWaltham, MA 024511982889986
- Colleen CanavanWaltham, MA 024511225971070
- Donna Stampone, N.P. M.S.Waltham, MA 024511043382393
- Nancy Webber, NPBrookline, MA 024451356393417
- Megan Dolan, NPWellesley, MA 024811972761781
Common questions
What is Jennie Mastroianni, RNC, MS, NP's NPI number?
Jennie Mastroianni, RNC, MS, NP's National Provider Identifier (NPI) is 1134137821, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennie Mastroianni, RNC, MS, NP located?
The NPPES record lists a practice address at 2014 Washington St, Newton, MA, 02462. Phone: (617) 243-5498. Providers update this record themselves, so call before visiting.
How can I verify Jennie Mastroianni, RNC, MS, NP's license?
NPPES lists Massachusetts license number 143919, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Jennie Mastroianni, RNC, MS, NP prescribe under Medicare Part D?
In 2024, Jennie Mastroianni, RNC, MS, NP had 194 Medicare Part D claims for 79 beneficiaries; the average among obstetrics & gynecology nurse practitioner prescribers was 198. 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.