John Samuel Barbieri, MD
Dermatology Physician · Boston, MA
John Samuel Barbieri, MD is a dermatology physician with a practice address in Boston, Massachusetts, and NPI 1972921955, issued on Apr 7, 2014. Check the license (Massachusetts 286496, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John Samuel Barbieri
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 286496 MA
35.134196 OH
Self-reported in NPPES; status is on the state search - Practice location
- 221 Longwood Ave, Boston, MA 02115
- Phone
- (617) 732-4918
- Enumerated
- Apr 7, 2014
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210621002103); accepts Medicare assignment
- Medical or professional school
- Perelman School Of Med At The University Of Pennsylvania, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 221 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gail Adler, MD PHDEndocrinology, Diabetes & Metabolism Physician1780675280
- Sara Ahmadi, M.D.Endocrinology, Diabetes & Metabolism Physician1700082617
- Abdullah Alajaji, MDDermatology Physician1356698351
- Anastasia-Stefania AlexopoulosEndocrinology, Diabetes & Metabolism Physician1134560543
- Bader AlharbiDermatology Physician1932021771
- Abby Altman, PHDCounseling Psychologist1518220433
Verify John Samuel Barbieri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 286496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average dermatology physician in 2024
162 Medicare Part D claims for 52 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Doxycycline Monohydrate22 claims
- Ketoconazole19 claims
- Triamcinolone Acetonide16 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
- Brigham And Womens Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
Other dermatology physician records in Massachusetts
- Zainab AbbasWorcester, MA1609028000
- Christopher Adams, M.D.Boston, MA1871777615
- Adewunmi Adelaja, MD, PHDBoston, MA1396488615
- David Aghassi, MDWellesley, MA1285698936
- Abdul Ahmed, MDBoston, MA1417947516
- Ali Al-Haseni, M.D.Boston, MA1144751777
- Abdullah Alajaji, MDBoston, MA1356698351
- Rhoda Alani, M.D.Boston, MA1154385268
- Christina Alavian, M.D.Worcester, MA1356376461
- Lee Albert, MDMilford, MA1619974102
Common questions
What is John Samuel Barbieri, MD's NPI number?
John Samuel Barbieri, MD's National Provider Identifier (NPI) is 1972921955, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Samuel Barbieri, MD located?
The NPPES record lists a practice address at 221 Longwood Ave, Boston, MA, 02115. Phone: (617) 732-4918. Providers update this record themselves, so call before visiting.
How can I verify John Samuel Barbieri, MD's license?
NPPES lists Massachusetts license number 286496, 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 Samuel Barbieri, MD prescribe under Medicare Part D?
In 2024, John Samuel Barbieri, MD had 162 Medicare Part D claims for 52 beneficiaries; the average among dermatology physician prescribers was 797. 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.