Jeffrey A. Barnes, M.D., PH.D
Hematology & Oncology Physician · Boston, MA
Jeffrey A. Barnes, M.D., PH.D is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1326238411, issued on Jul 26, 2007. Check the license (Massachusetts 233635, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jeffrey A. Barnes
- Credential
- M.D., PH.D
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 233635 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 724-4000
- Enumerated
- Jul 26, 2007
- Record last updated
- Oct 4, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100810000140); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 461 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
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Verify Jeffrey A. Barnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 233635Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
366 Medicare Part D claims for 75 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Prednisone69 claims
- Sulfamethoxazole-Trimethoprim68 claims
- Ondansetron Hcl37 claims
- Acyclovir35 claims
- Brukinsa27 claims
- Venclexta23 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.
Industry payments in 2024: $32.62
1 payment: food and beverage; the largest payer was Teleflex LLC. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 hospitals and group practices
- Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospitals4 of 5 stars
- Massachusetts General Physicians Organization IncBoston, MA
- The General Hospital CorporationNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Jeffrey A. Barnes among 461 hematology & oncology physician records in Massachusetts
Jeffrey A. Barnes, M.D., PH.D is one of 461 hematology & oncology 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 50% of them.
- NPI issued2007 · 50% of these records are older, 39% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2004 among the 303 with a school on file
- Record last updated2007 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Massachusetts
There are 461 hematology & oncology physician records in Massachusetts.
All 461 in Massachusetts → Every provider in Boston → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Vassiliki Boussiotis, MD PHDBoston, MA 021141861474215
- Marcia Browne, MDBoston, MA 021141639146210
- George Canellos, MDBoston, MA 021141114908027
- Yi-Bin Chen, MDBoston, MA 021141356332639
- John ClarkBoston, MA 021141871550244
- Lauren Dias, MDBoston, MA 021141215928346
- Kira Gritsman, MDBoston, MA 021141174598148
- David HarmonBoston, MA 021141851358352
Common questions
What is Jeffrey A. Barnes, M.D., PH.D's NPI number?
Jeffrey A. Barnes, M.D., PH.D's National Provider Identifier (NPI) is 1326238411, issued on Jul 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey A. Barnes, M.D., PH.D located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-4000. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey A. Barnes, M.D., PH.D's license?
NPPES lists Massachusetts license number 233635, 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 Jeffrey A. Barnes, M.D., PH.D prescribe under Medicare Part D?
In 2024, Jeffrey A. Barnes, M.D., PH.D had 366 Medicare Part D claims for 75 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.