Mary Elisabeth Di Buono, PA-C
Surgical Physician Assistant · Norwich, CT
Mary Elisabeth Di Buono, PA-C is a surgical physician assistant with a practice address in Norwich, Connecticut, and NPI 1437846888, issued on Apr 18, 2023. Check the license (Connecticut 6158, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Elisabeth Di Buono
- Credential
- PA-C
- Primary taxonomy
- Surgical Physician Assistant 363AS0400X
- License number
- 6158 CT
Self-reported in NPPES; status is on the state search - Practice location
- 326 Washington St, Norwich, CT 06360
- Phone
- (860) 889-8331
- Enumerated
- Apr 18, 2023
- Record last updated
- Jul 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20230815000161); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgical physician assistant records → All 808 in Connecticut → Look up another NPI →
Also registered at 326 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amir Ahmad, MDGeriatric Medicine (Internal Medicine) Physician1255502191
- Aasiya Ahmed, PA-CSurgical Physician Assistant1497574545
- Mahfuza Akhtar, MDAddiction Psychiatry Physician1972026490
- Jason Allard, PA-CSurgical Physician Assistant1598934747
- Christine AndersonProfessional Counselor1821472291
- Nancy Anderson, PHDPsychologist1164599288
Verify Mary Elisabeth Di Buono in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average surgical physician assistant in 2024
67 Medicare Part D claims for 39 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Oxycodone Hcl16 claims
- Oxybutynin Chloride15 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
- The William W Backus HospitalNorwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Elisabeth Di Buono among 808 surgical physician assistant records in Connecticut
Mary Elisabeth Di Buono, PA-C is one of 808 surgical physician assistant records with a practice address in Connecticut. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 86% of them.
- NPI issued2023 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2023 · median 2016 among the 646 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 surgical physician assistant records list a practice address in Norwich
They are 36 of the 1,431 NPPES records with a practice address in Norwich, and 808 surgical physician assistant records in Connecticut.
All 808 in Connecticut → Every provider in Norwich → Surgical Physician Assistant nationwide →
The 8 surgical physician assistant records with the nearest ZIP codes
- Jason Allard, PA-CNorwich, CT 063601598934747
- Arya Biswas, P.A.C.Norwich, CT 063601336144856
- Christina Gleason, PA-CNorwich, CT 063601669853172
- Katelyn Hans, PA-CNorwich, CT 063601841674595
- Victoria Hunter, PA-CNorwich, CT 063601396036125
- Rebecca Karlowicz, PA-CNorwich, CT 063601902816127
- Jennifer Lachance, PA-CNorwich, CT 063601255634978
- Rachel Massey, PANorwich, CT 063601740226208
Common questions
What is Mary Elisabeth Di Buono, PA-C's NPI number?
Mary Elisabeth Di Buono, PA-C's National Provider Identifier (NPI) is 1437846888, issued on Apr 18, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mary Elisabeth Di Buono, PA-C located?
The NPPES record lists a practice address at 326 Washington St, Norwich, CT, 06360. Phone: (860) 889-8331. Providers update this record themselves, so call before visiting.
How can I verify Mary Elisabeth Di Buono, PA-C's license?
NPPES lists Connecticut license number 6158, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Elisabeth Di Buono, PA-C prescribe under Medicare Part D?
In 2024, Mary Elisabeth Di Buono, PA-C had 67 Medicare Part D claims for 39 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.