Lynn Elizabeth Mastrianni, NP
Gerontology Nurse Practitioner · New Haven, CT
Lynn Elizabeth Mastrianni, NP is a gerontology nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1205177672, issued on Mar 11, 2013. Check the license (Connecticut 6560, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lynn Elizabeth Mastrianni
- Credential
- NP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License numbers
- 6560 CT
006560 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 200-4822
- Enumerated
- Mar 11, 2013
- Record last updated
- May 26, 2026
- Fax
- (203) 200-2099
- Medicare enrollment
- Enrolled (PECOS I20161230000644); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 166 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Lynn Elizabeth Mastrianni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6560Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average gerontology nurse practitioner in 2024
2,022 Medicare Part D claims for 328 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 128 claims were for opioids.
Most prescribed
- Prednisone328 claims
- Abiraterone Acetate272 claims
- Xtandi237 claims
- Nubeqa128 claims
- Orgovyx64 claims
- Oxycodone Hcl59 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $195.43
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 3,903 providers of this specialty with any payment received $742.05 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.
3 hospitals and group practices
- Hartford HospitalAvon, CT · Acute Care Hospitals4 of 5 stars
- Ptsma IncFairfield, CT
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Lynn Elizabeth Mastrianni among 166 gerontology nurse practitioner records in Connecticut
Lynn Elizabeth Mastrianni, NP is one of 166 gerontology nurse practitioner records with a practice address in Connecticut. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 27% of them.
- NPI issued2013 · 27% of these records are older, 69% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2019 among the 105 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Connecticut
There are 166 gerontology nurse practitioner records in Connecticut.
All 166 in Connecticut → Every provider in New Haven → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Terance Anderson, APRNNew Haven, CT 065101306409222
- Tasha Cuvi, APRNNew Haven, CT 065101033458344
- Edward Gaiser, APRNNew Haven, CT 065101508426792
- Kiara GoldwagNew Haven, CT 065101508470238
- Sadie Hartell, APRNNew Haven, CT 065101336792225
- Caroline HattaNew Haven, CT 065101326380239
- Colleen Karkhang, CNPNew Haven, CT 065101730545187
- Laura Marino, AGACNPNew Haven, CT 065101487103743
Common questions
What is Lynn Elizabeth Mastrianni, NP's NPI number?
Lynn Elizabeth Mastrianni, NP's National Provider Identifier (NPI) is 1205177672, issued on Mar 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Lynn Elizabeth Mastrianni, NP located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 200-4822. Providers update this record themselves, so call before visiting.
How can I verify Lynn Elizabeth Mastrianni, NP's license?
NPPES lists Connecticut license number 6560, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Lynn Elizabeth Mastrianni, NP prescribe under Medicare Part D?
In 2024, Lynn Elizabeth Mastrianni, NP had 2,022 Medicare Part D claims for 328 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.
What is Lynn Elizabeth Mastrianni, NP's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.