David J. Delsesto, D.O.
Internal Medicine Physician · Boston, MA
David J. Delsesto, D.O. is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1730374398, issued on Sep 7, 2007. Check the license (Massachusetts 232634, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- David J. Delsesto
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 232634 MA
Self-reported in NPPES; status is on the state search - Practice location
- 26 Thomson PL, Boston, MA 02210
- Phone
- (888) 663-6331
- Enumerated
- Sep 7, 2007
- Record last updated
- Mar 17, 2025
- Fax
- (415) 252-7176
- Medicare enrollment
- Enrolled (PECOS I20100902000348); accepts Medicare assignment
- Medical or professional school
- Nova Southeastern Univ College Of Dental Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 26 Thomson PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hilary Lerner, MSN, APRN, FNP-CFamily Nurse Practitioner1811427578
- Jennifer Sittambalam, PAPhysician Assistant1922797349
Verify David J. Delsesto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 232634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average internal medicine physician in 2024
4,549 Medicare Part D claims for 374 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 112 claims were for opioids.
Most prescribed
- Atorvastatin Calcium233 claims
- Amlodipine Besylate191 claims
- Levothyroxine Sodium171 claims
- Lisinopril171 claims
- Omeprazole167 claims
- Trazodone Hcl120 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
- Mass General Brigham Community Physicians IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David J. Delsesto among 6,825 internal medicine physician records in Massachusetts
David J. Delsesto, D.O. 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2004 among the 4,103 with a school on file
- Record last updated2025 · 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).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alireza Toossi, MDBoston, MA 022101780871970
- Stephen Boswell, M.D.Boston, MA 022151477541217
- Jennifer Cluett, MDBoston, MA 022151962491183
- Jan Cook, M.D.Boston, MA 022151437152139
- Rachel Freedman, M.D.Boston, MA 022151942297189
- Joseph Gesmundo, MDBoston, MA 022151891785069
- Scott Harris, MDBoston, MA 022151871581694
- Joseph Li, M.D.Boston, MA 022151043209380
Common questions
What is David J. Delsesto, D.O.'s NPI number?
David J. Delsesto, D.O.'s National Provider Identifier (NPI) is 1730374398, issued on Sep 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David J. Delsesto, D.O. located?
The NPPES record lists a practice address at 26 Thomson PL, Boston, MA, 02210. Phone: (888) 663-6331. Providers update this record themselves, so call before visiting.
How can I verify David J. Delsesto, D.O.'s license?
NPPES lists Massachusetts license number 232634, 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 David J. Delsesto, D.O. prescribe under Medicare Part D?
In 2024, David J. Delsesto, D.O. had 4,549 Medicare Part D claims for 374 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.