John D. Diorio, MD
Internal Medicine Physician · Abington, MA
John D. Diorio, MD is an internal medicine physician with a practice address in Abington, Massachusetts, and NPI 1932131000, issued on Jul 7, 2006. Check the license (Massachusetts 42422, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John D. Diorio
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 42422 MA
Self-reported in NPPES; status is on the state search - Practice location
- 277 Washington St, Abington, MA 02351
- Phone
- (781) 871-0200
- Enumerated
- Jul 7, 2006
- Record last updated
- Nov 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 0165018 MA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 277 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kylee BerryOccupational Therapist1861879769
- Jaime Dean, COTA/LOccupational Therapy Assistant1770757049
- Christine Kelley, LICSWSocial Worker1861748196
- Laura Lamar, MS SLPSpeech-Language Pathologist1225290778
- Kevin McKearneyPhysical Therapist1124406301
Verify John D. Diorio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 42422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average internal medicine physician in 2024
3,679 Medicare Part D claims for 106 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 15 claims were for opioids.
Most prescribed
- Eliquis309 claims
- Sertraline Hcl207 claims
- Atorvastatin Calcium167 claims
- Levothyroxine Sodium154 claims
- Metoprolol Succinate131 claims
- Trazodone Hcl109 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.
John D. Diorio among 6,825 internal medicine physician records in Massachusetts
John D. Diorio, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2016 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Abington
They are 5 of the 129 NPPES records with a practice address in Abington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Abington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Clairmont, MDAbington, MA 023511093734220
- Gary Jordan, M.D.Abington, MA 023511659431146
- Richard Lords, M.D.Abington, MA 023511649296427
- Dahlia Riad, MDAbington, MA 023511396736708
- Robert Friedman, M.D.Lakeville, MA 023471205875549
- Sharon Marable, MDLakeville, MA 023471952382012
- Juliana Bahia Mazzafera, MDNorth Easton, MA 023561588152631
- Patricia Bido, MDNorth Easton, MA 023561740819150
Common questions
What is John D. Diorio, MD's NPI number?
John D. Diorio, MD's National Provider Identifier (NPI) is 1932131000, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John D. Diorio, MD located?
The NPPES record lists a practice address at 277 Washington St, Abington, MA, 02351. Phone: (781) 871-0200. Providers update this record themselves, so call before visiting.
How can I verify John D. Diorio, MD's license?
NPPES lists Massachusetts license number 42422, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John D. Diorio, MD prescribe under Medicare Part D?
In 2024, John D. Diorio, MD had 3,679 Medicare Part D claims for 106 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.