John Najjar, MD
NPI 1487630935 · Vascular Surgery Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Najjar, MD is a Vascular Surgery Physician provider in Worcester, MA (NPI 1487630935).
Provider details
- NPI number
- 1487630935
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 210201 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
850 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 155 | $32 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 122 | $21 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 114 | $37 |
| Complete Ultrasound Study of Arm and Leg Arteries93923 | 92 | $21 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 73 | $126 |
| Complete Ultrasound of Aorta, Vena Cava, Groin Vessels Or Bypass Grafts93978 | 49 | $37 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clopidogrel Bisulfatebrand: Clopidogrel | 212 | 67 |
| Cilostazol | 134 | 42 |
| Apixabanbrand: Eliquis | 72 | 17 |
| Rivaroxabanbrand: Xarelto | 31 | — |
| Pantoprazole Sodium | 30 | — |
| Nifedipinebrand: Nifedipine Er | 26 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,091 across 24 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-16
- Last updated
- 2009-02-20
Frequently asked questions
- What is John Najjar's NPI number?
- John Najjar's National Provider Identifier (NPI) is 1487630935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Najjar's specialty?
- John Najjar is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Najjar located?
- John Najjar's practice location on file with NPPES is 123 Summer St, Worcester, MA 01608-1312.
- What is John Najjar's phone number?
- The practice phone number listed in the NPPES registry for John Najjar is (508) 368-3190.
- Does John Najjar accept Medicare?
- John Najjar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Najjar's NPI active?
- Yes — John Najjar's NPI (1487630935) is active in the NPPES registry as of the last update on 2009-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.