Benjamin Alexander Wagner, MD
Hospitalist Physician · Boston, MA
Benjamin Alexander Wagner, MD is a hospitalist physician with a practice address in Boston, Massachusetts, and NPI 1164045175, issued on May 26, 2020. Check the license (Massachusetts 1013795, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Benjamin Alexander Wagner
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 1013795 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-7000
- Enumerated
- May 26, 2020
- Record last updated
- Sep 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20230425001543); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2020
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 525 in Massachusetts → Look up another NPI →
Also registered at 330 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Benjamin Alexander Wagner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1013795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average hospitalist physician in 2024
68 Medicare Part D claims for 35 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Alexander Wagner among 525 hospitalist physician records in Massachusetts
Benjamin Alexander Wagner, MD is one of 525 hospitalist physician records with a practice address in Massachusetts. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 77% of them.
- NPI issued2020 · 77% of these records are older, 16% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2020 · median 2012 among the 449 with a school on file
- Record last updated2025 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Massachusetts
There are 525 hospitalist physician records in Massachusetts.
All 525 in Massachusetts → Every provider in Boston → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alexander Carbo, M.D.Boston, MA 022151962504381
- Bulbul Cibei, M.DBoston, MA 022151609129634
- Kirsten Courtade, MDBoston, MA 022151437439023
- David Feinbloom, M.D.Boston, MA 022151407845837
- Henry Feldman, M.D.Boston, MA 022151801874177
- Grace Huang, M.D.Boston, MA 022151134221559
- Lily Huang, M.D.Boston, MA 022151063851640
- Andrew Junkin, MDBoston, MA 022151457614737
Common questions
What is Benjamin Alexander Wagner, MD's NPI number?
Benjamin Alexander Wagner, MD's National Provider Identifier (NPI) is 1164045175, issued on May 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Alexander Wagner, MD located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Alexander Wagner, MD's license?
NPPES lists Massachusetts license number 1013795, 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 Benjamin Alexander Wagner, MD prescribe under Medicare Part D?
In 2024, Benjamin Alexander Wagner, MD had 68 Medicare Part D claims for 35 beneficiaries; the average among hospitalist physician prescribers was 521. 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.