NPPES file of Aug 9, 2026

Jessica Clymer

Pediatric Hematology & Oncology Physician · Boston, MA

Jessica Clymer is a pediatric hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1346549136, issued on Mar 20, 2011. Check the license (Massachusetts 270923, 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, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346549136
Name
Jessica Clymer
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License number
270923 MA
Self-reported in NPPES; status is on the state search
Practice location
450 Brookline Ave, Boston, MA 02215
Phone
(617) 632-4309
Enumerated
Mar 20, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 450 Brookline Ave

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

  1. Gregory Abel, MDHematology & Oncology Physician1285611954
  2. Lara Abousamra, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1851183404
  3. Karley Adams, PAPhysician Assistant1578261764
  4. Lauren Adams, PA-CPhysician Assistant1902763469
  5. Ana Aguilar-Bonilla, M.D.Pediatric Hematology & Oncology Physician1023319761
  6. Andrew Aguirre, MD, PHDMedical Oncology Physician1609071208

Verify Jessica Clymer 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 270923
    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

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Industry payments in 2024: $2,725.00

1 payment: consulting fee; the largest payer was Day One Biopharmaceuticals. The 1,215 providers of this specialty with any payment received $7,404.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jessica Clymer$2,725.00
  2. Specialty average$7,404.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. New York UniversityNew York, NY

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

Pediatric Hematology & Oncology Physician providers in Massachusetts

There are 197 pediatric hematology & oncology physician records in Massachusetts.

Other pediatric hematology & oncology physician records in Massachusetts

  1. Denise Adams, MDBoston, MA1841362399
  2. Suneet Agarwal, M.D.Boston, MA1225096456
  3. Laura Aguilar, MD PHDBoston, MA1295786598
  4. Ana Aguilar-Bonilla, M.D.Boston, MA1023319761
  5. Natasha Archer, MDBoston, MA1346376779
  6. Steven ArkinCambridge, MA1558179440
  7. Scott Armstrong, MD, PHDBoston, MA1962462267
  8. Pratiti Bandopadhayay, M.DBoston, MA1992086664
  9. Elly Barry, MDBoston, MA1740257427
  10. Daniel Bauer, MD, PHDBoston, MA1265609549

Common questions

What is Jessica Clymer's NPI number?

Jessica Clymer's National Provider Identifier (NPI) is 1346549136, issued on Mar 20, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Clymer located?

The NPPES record lists a practice address at 450 Brookline Ave, Boston, MA, 02215. Phone: (617) 632-4309. Providers update this record themselves, so call before visiting.

How can I verify Jessica Clymer's license?

NPPES lists Massachusetts license number 270923, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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 27, 2026.