Jennifer Byer, MD
Medical Oncology Physician · Weymouth, MA
Jennifer Byer, MD is a medical oncology physician with a practice address in Weymouth, Massachusetts, and NPI 1336438522, issued on Mar 29, 2011. Check the license (Massachusetts 1025561, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jennifer Byer
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 1025561 MA
ME120152 FL
Self-reported in NPPES; status is on the state search - Practice location
- 101 Columbian St, Weymouth, MA 02190
- Phone
- (781) 624-4800
- Enumerated
- Mar 29, 2011
- Record last updated
- Mar 9, 2026
- Medicaid ID
- 021232200 FL
- Medicare enrollment
- Enrolled (PECOS I20170718002540); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 421 in Massachusetts → Look up another NPI →
Also registered at 101 Columbian St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Emily BoudreauPhysician Assistant1487213021
- Randi Carhart, MDMedical Oncology Physician1306370168
- Lynda Clancy, RNPObstetrics & Gynecology Nurse Practitioner1245261759
- Jad El Masri, MDMedical Oncology Physician1306251178
- Jennifer Faig, M.D.Medical Oncology Physician1194163469
- Hannah Frenn, CNPAdult Health Nurse Practitioner1720545056
Verify Jennifer Byer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1025561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average medical oncology physician in 2024
1,316 Medicare Part D claims for 350 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 96 claims were for opioids.
Most prescribed
- Anastrozole99 claims
- Letrozole60 claims
- Eliquis56 claims
- Revlimid56 claims
- Prednisone48 claims
- Ondansetron Odt42 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,598.60
75 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,343 providers of this specialty with any payment received $11,773.47 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.
Bills Medicare through 2 group practices
- Comprehensive Hematology Oncology LLCTrinity, FL
- Dana-Farber Cancer Institute, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Byer among 421 medical oncology physician records in Massachusetts
Jennifer Byer, MD is one of 421 medical oncology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2011 · median 2007 among the 291 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Massachusetts
There are 421 medical oncology physician records in Massachusetts.
All 421 in Massachusetts → Every provider in Weymouth → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Stephanie Cardarella, M.D.Weymouth, MA 021901295834406
- Randi Carhart, MDWeymouth, MA 021901306370168
- Jad El Masri, MDWeymouth, MA 021901306251178
- Jennifer Faig, M.D.Weymouth, MA 021901194163469
- Medhavi Gupta, M.D.Weymouth, MA 021901124402961
- Kathleen Leahy, M.D., MPHWeymouth, MA 021901275913014
- Temilola Onabanjo, MD, MPHWeymouth, MA 021901073955662
- James Stoeckle, M.D.Weymouth, MA 021901578912721
Common questions
What is Jennifer Byer, MD's NPI number?
Jennifer Byer, MD's National Provider Identifier (NPI) is 1336438522, issued on Mar 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Byer, MD located?
The NPPES record lists a practice address at 101 Columbian St, Weymouth, MA, 02190. Phone: (781) 624-4800. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Byer, MD's license?
NPPES lists Massachusetts license number 1025561, 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 Jennifer Byer, MD prescribe under Medicare Part D?
In 2024, Jennifer Byer, MD had 1,316 Medicare Part D claims for 350 beneficiaries; the average among medical oncology physician prescribers was 703. Part D covers Medicare prescriptions only.
What is Jennifer Byer, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.