Christina Kassab, D.O.
Internal Medicine Physician · Burlington, MA
Christina Kassab, D.O. is an internal medicine physician with a practice address in Burlington, Massachusetts, and NPI 1558709626, issued on Jun 11, 2013. Check the license (Massachusetts 272423, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Christina Kassab
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 272423 MA
5101020329 MI
Self-reported in NPPES; status is on the state search - Practice location
- 41 Mall RD, Burlington, MA 01805
- Phone
- (781) 744-8000
- Enumerated
- Jun 11, 2013
- Record last updated
- Feb 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20171110000095); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 41 Mall RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juliet Aborn, REGISTERED NURSECertified Registered Nurse Anesthetist1932727930
- Omar Abuqamar, M.D., M.M.S.C.,Ophthalmology Physician1437640414
- Emily Adams, PA-CPhysician Assistant1457685752
- Oluwaseun Adebagbo, MDStudent in an Organized Health Care Education/Training Program1588468755
- Christopher Adler, PAPhysician Assistant1972848463
- Tinamarie Adly, NPFamily Nurse Practitioner1154041572
Verify Christina Kassab in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 272423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
133 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of 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 2 group practices
- Beth Israel Lahey Health Primary Care, IncSouth Hamilton, MA
- Lahey Clinic IncBurlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Kassab among 6,825 internal medicine physician records in Massachusetts
Christina Kassab, D.O. is one of 6,825 internal medicine 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 2013, is newer than 70% of them.
- NPI issued2013 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2004 among the 4,103 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
144 internal medicine physician records list a practice address in Burlington
They are 144 of the 2,620 NPPES records with a practice address in Burlington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Burlington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jerry Blaine, M.D.Burlington, MA 018051083716716
- Sandeep Dhillon, M.D.Burlington, MA 018051942225040
- Durathun Farha, MDBurlington, MA 018051801871777
- George Hayao, M.D.Burlington, MA 018051942278445
- Mark Itzkowitz, M.D.Burlington, MA 018051184663270
- Juwen Lin, M.D.Burlington, MA 018051811969249
- Judith Melin, MDBurlington, MA 018051396857009
- Arun Mukherjee, MDBurlington, MA 018051205817806
Common questions
What is Christina Kassab, D.O.'s NPI number?
Christina Kassab, D.O.'s National Provider Identifier (NPI) is 1558709626, issued on Jun 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Christina Kassab, D.O. located?
The NPPES record lists a practice address at 41 Mall RD, Burlington, MA, 01805. Phone: (781) 744-8000. Providers update this record themselves, so call before visiting.
How can I verify Christina Kassab, D.O.'s license?
NPPES lists Massachusetts license number 272423, 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 Christina Kassab, D.O. prescribe under Medicare Part D?
In 2024, Christina Kassab, D.O. had 133 Medicare Part D claims for 63 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.