John G. Najjar, MD
Vascular Surgery Physician · Worcester, MA
John G. Najjar, MD is a vascular surgery physician with a practice address in Worcester, Massachusetts, and NPI 1487630935, issued on Dec 16, 2005. Check the license (Massachusetts 210201, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- John G. Najjar
- Credential
- MD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- 210201 MA
Self-reported in NPPES; status is on the state search - Practice location
- 123 Summer St, Worcester, MA 01608
- Phone
- (508) 368-3190
- Enumerated
- Dec 16, 2005
- Record last updated
- Feb 20, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (508) 368-3193
- Medicare enrollment
- Enrolled (PECOS I20100301000611); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 161 in Massachusetts → Look up another NPI →
Also registered at 123 Summer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annie Abraham, M.D.Internal Medicine Physician1962437061
- Yem AbulhamayelInternal Medicine Physician1730496381
- Freda Agyemang, NURSE PRACTITIONERFamily Nurse Practitioner1134733280
- Hajrah AhsanHospitalist Physician1497367395
- Padmastuti Akella, MDCritical Care Medicine (Internal Medicine) Physician1467988873
- Ibragim Al-Seykal, M.D.Student in an Organized Health Care Education/Training Program1730615261
Verify John G. Najjar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 210201Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average vascular surgery physician in 2024
617 Medicare Part D claims for 188 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Clopidogrel212 claims
- Cilostazol134 claims
- Eliquis72 claims
- Xarelto31 claims
- Pantoprazole Sodium30 claims
- Nifedipine Er26 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.
Industry payments in 2024: $1,091.42
24 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 4,059 providers of this specialty with any payment received $6,178.00 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 one group practice
- Reliant Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John G. Najjar among 161 vascular surgery physician records in Massachusetts
John G. Najjar, MD is one of 161 vascular surgery physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 81% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1993 · median 2003 among the 108 with a school on file
- Record last updated2009 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Massachusetts
There are 161 vascular surgery physician records in Massachusetts.
All 161 in Massachusetts → Every provider in Worcester → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Leon Josephs, MDWorcester, MA 016081962471003
- Elizabeth Mahanor, MDWorcester, MA 016081013994755
- Baltej Maini, MDWorcester, MA 016081538135611
- Edward Arous, M.D.Worcester, MA 016051982999199
- Richard Whitten, M.D.Worcester, MA 016051477519866
- Francesco Aiello, MDWorcester, MA 016551528205978
- Elias Arous, M.D.Worcester, MA 016551477537611
- Eric Bluemn, MD, PHDWorcester, MA 016551093134090
Common questions
What is John G. Najjar, MD's NPI number?
John G. Najjar, MD's National Provider Identifier (NPI) is 1487630935, issued on Dec 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John G. Najjar, MD located?
The NPPES record lists a practice address at 123 Summer St, Worcester, MA, 01608. Phone: (508) 368-3190. Providers update this record themselves, so call before visiting.
How can I verify John G. Najjar, MD's license?
NPPES lists Massachusetts license number 210201, 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 John G. Najjar, MD prescribe under Medicare Part D?
In 2024, John G. Najjar, MD had 617 Medicare Part D claims for 188 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.