Barry D. Elson, M.D.
Allergy & Immunology Physician · Northampton, MA
Barry D. Elson, M.D. is an allergy & immunology physician with a practice address in Northampton, Massachusetts, and NPI 1730150855, issued on Jan 27, 2006. Check the license (Massachusetts 45090, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Barry D. Elson
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 45090 MA
Self-reported in NPPES; status is on the state search - Practice location
- 395 Pleasant St, Northampton, MA 01060
- Phone
- (413) 584-7787
- Enumerated
- Jan 27, 2006
- Record last updated
- Feb 17, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (413) 584-7778
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 121 in Massachusetts → Look up another NPI →
Also registered at 395 Pleasant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Baldwin, FNP-CFamily Medicine Physician1043716145
- Michelle Goulet, FNPFamily Nurse Practitioner1609847565
- Lynne Hinkle, PA-C, ND, MSOM, MSPhysician Assistant1548381544
- Denise Kearney, M.D.Allergy Physician1134162761
- Stephen Kurland, M.D.Otolaryngology Physician1538155049
- Darren Lynch, MDFamily Medicine Physician1922087832
Verify Barry D. Elson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 45090Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
12 Medicare Part D claims, against an average of 741 among the 2,899 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.
Barry D. Elson among 121 allergy & immunology physician records in Massachusetts
Barry D. Elson, M.D. is one of 121 allergy & immunology physician records with a practice address in Massachusetts. 83% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 52% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2011 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Massachusetts
There are 121 allergy & immunology physician records in Massachusetts.
All 121 in Massachusetts → Every provider in Northampton → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Jonathan Bayuk, DONorthampton, MA 010621588637102
- Vanessa Vanstee, M.D.Westfield, MA 010851528094372
- Jackie Garrett, M.D.West Springfield, MA 010891740487867
- David Robertson, MDSpringfield, MA 011041265647945
- Jasdeep Badwal, M.D.Springfield, MA 011071750723268
- Thomas Edwards, M.D.Pittsfield, MA 012011740215771
- Maria Castells, MDGardner, MA 014401427039478
- Francisco Bonilla, M.D.Leominster, MA 014531245298215
Common questions
What is Barry D. Elson, M.D.'s NPI number?
Barry D. Elson, M.D.'s National Provider Identifier (NPI) is 1730150855, issued on Jan 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barry D. Elson, M.D. located?
The NPPES record lists a practice address at 395 Pleasant St, Northampton, MA, 01060. Phone: (413) 584-7787. Providers update this record themselves, so call before visiting.
How can I verify Barry D. Elson, M.D.'s license?
NPPES lists Massachusetts license number 45090, 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 Barry D. Elson, M.D. prescribe under Medicare Part D?
In 2024, Barry D. Elson, M.D. had 12 Medicare Part D claims; the average among allergy & immunology physician prescribers was 741. 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.