NPPES file of Aug 9, 2026

Jacob Matt Elkon, MD

Hematology & Oncology Physician · Boston, MA

Jacob Matt Elkon, MD is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1104153105, issued on Nov 11, 2009. Check the license (Massachusetts 284382, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104153105
Name
Jacob Matt Elkon
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
284382 MA
Self-reported in NPPES; status is on the state search
Practice location
800 Washington St # 245, Boston, MA 02111
Phone
(617) 636-6227
Enumerated
Nov 11, 2009
Record last updated
Jun 6, 2024
Medicare enrollment
Enrolled (PECOS I20201021002174); accepts Medicare assignment
Medical or professional school
Mercer University School Of Medicine, 2013
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 800 Washington St # 245

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sharan Bijlani, MDHematology & Oncology Physician1962061903
  2. Madeline Couch, NPNurse Practitioner1922642511
  3. Ruchi Hamal, MDHematology & Oncology Physician1447670823
  4. Kathy Theall, MDMedical Oncology Physician1881679462
  5. Susan Waisgerber, ACNPAcute Care Nurse Practitioner1831626464

Verify Jacob Matt Elkon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 284382
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

112 Medicare Part D claims for 23 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Jacob Elkon112
  2. Specialty average877

Most prescribed

  1. Eliquis18 claims
  2. Mirtazapine11 claims
  3. Prochlorperazine Maleate11 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

  1. Pratt Medical Group IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jacob Matt Elkon among 461 hematology & oncology physician records in Massachusetts

Jacob Matt Elkon, MD 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 2009, is newer than 66% of them.

  • NPI issued2009 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2013 · median 2004 among the 303 with a school on file
  • Record last updated2024 · 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.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Anubha Bharthuar, MDBoston, MA 021111063739969
  2. Parva Bhatt, M.D.Boston, MA 021111689055832
  3. Sharan Bijlani, MDBoston, MA 021111962061903
  4. Rachel Buchsbaum, MDBoston, MA 021111255360640
  5. Raymond Comenzo, MDBoston, MA 021111750352787
  6. Ruchi Hamal, MDBoston, MA 021111447670823
  7. Andreas Klein, MDBoston, MA 021111285740969
  8. Uma Narayanasami, M.D.Boston, MA 021111316990872

Common questions

What is Jacob Matt Elkon, MD's NPI number?

Jacob Matt Elkon, MD's National Provider Identifier (NPI) is 1104153105, issued on Nov 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jacob Matt Elkon, MD located?

The NPPES record lists a practice address at 800 Washington St # 245, Boston, MA, 02111. Phone: (617) 636-6227. Providers update this record themselves, so call before visiting.

How can I verify Jacob Matt Elkon, MD's license?

NPPES lists Massachusetts license number 284382, 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 Jacob Matt Elkon, MD prescribe under Medicare Part D?

In 2024, Jacob Matt Elkon, MD had 112 Medicare Part D claims for 23 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.