Ahmad Nader Kassem
Medical Oncology Physician · Methuen, MA
Ahmad Nader Kassem is a medical oncology physician with a practice address in Methuen, Massachusetts, and NPI 1952805004, issued on Mar 22, 2018. Check the license (Massachusetts 1022062, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ahmad Nader Kassem
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 1022062 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Branch St Ste 100, Methuen, MA 01844
- Phone
- (978) 620-2020
- Enumerated
- Mar 22, 2018
- Record last updated
- May 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20250805000107); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 5 Branch St Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adam Audet, RNOncology Registered Nurse1982520433
- Allysa Chadderdon, PAPhysician Assistant1023367174
- Samantha Hanley, DNPFamily Nurse Practitioner1629800974
- Christine Hart Brown, RN MSNED CEN FNP-BCFamily Nurse Practitioner1871182980
- Taylor Ortiz, MDMedical Oncology Physician1306065446
- Alexxis TalbotFamily Nurse Practitioner1043158967
Verify Ahmad Nader Kassem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1022062Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average medical oncology physician in 2024
170 Medicare Part D claims for 29 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Revlimid18 claims
- Ondansetron Hcl12 claims
- Gabapentin11 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
- Dana-Farber Cancer Institute, Inc.Methuen, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Oncology Physician providers in Massachusetts
There are 421 medical oncology physician records in Massachusetts.
Other medical oncology physician records in Massachusetts
- Janet Abrahm, MDBoston, MA1427024264
- Thomas Abrams, M.D.Boston, MA1184693947
- Jeremy Abramson, MDBoston, MA1740262484
- Nana Addo-Tabiri, MDBoston, MA1942557079
- Adeboye Adewoye, M.D.Boston, MA1316920838
- Andrew Aguirre, MD, PHDBoston, MA1609071208
- Inhye Ahn, M.D.Boston, MA1053632984
- Jean Joseph Thierry AlcindorBoston, MA1578281796
- Syed Ali, MDSpringfield, MA1174751267
- Jill Allen, M.D.Boston, MA1285671453
Common questions
What is Ahmad Nader Kassem's NPI number?
Ahmad Nader Kassem's National Provider Identifier (NPI) is 1952805004, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ahmad Nader Kassem located?
The NPPES record lists a practice address at 5 Branch St Ste 100, Methuen, MA, 01844. Phone: (978) 620-2020. Providers update this record themselves, so call before visiting.
How can I verify Ahmad Nader Kassem's license?
NPPES lists Massachusetts license number 1022062, 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 Ahmad Nader Kassem prescribe under Medicare Part D?
In 2024, Ahmad Nader Kassem had 170 Medicare Part D claims for 29 beneficiaries; the average among medical oncology physician prescribers was 703. 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.