Allen D. Joslin, M.D.
Internal Medicine Physician · Adams, MA
Allen D. Joslin, M.D. is an internal medicine physician with a practice address in Adams, Massachusetts, and NPI 1396727202, issued on Nov 16, 2005. Check the license (Massachusetts 52287, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Allen D. Joslin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 52287 MA
Self-reported in NPPES; status is on the state search - Practice location
- 19 Depot St, Adams, MA 01220
- Phone
- (413) 743-1080
- Enumerated
- Nov 16, 2005
- Record last updated
- Jun 30, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (413) 743-5306
- Entity
- Type 1 · individual
Also registered at 19 Depot St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Allen D. Joslin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 52287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
24 Medicare Part D claims, against an average of 3,176 among the 108,855 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.
6 internal medicine physician records list a practice address in Adams
They are 6 of the 85 NPPES records with a practice address in Adams, and 6,825 internal medicine physician records in Massachusetts.
All 6 in Adams → All 6,825 in Massachusetts → Every provider in Adams →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Nathan Abare, MDSpringfield, MA1386852747
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Allen D. Joslin, M.D.'s NPI number?
Allen D. Joslin, M.D.'s National Provider Identifier (NPI) is 1396727202, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Allen D. Joslin, M.D. located?
The NPPES record lists a practice address at 19 Depot St, Adams, MA, 01220. Phone: (413) 743-1080. Providers update this record themselves, so call before visiting.
How can I verify Allen D. Joslin, M.D.'s license?
NPPES lists Massachusetts license number 52287, 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 Allen D. Joslin, M.D. prescribe under Medicare Part D?
In 2024, Allen D. Joslin, M.D. had 24 Medicare Part D claims; 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.