Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Walid G Bader, DO

Individual provider Internal Medicine Physician · NPI 1134184161

Walid G Bader, DO practises Internal Medicine in Lynn, Massachusetts. Graduated from University of New England, College of Osteo Medicine in 2002, 24 years ago. Practices with Atrius Health Inc, a 1,205-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and South Carolina.

Years since qualifying
24
Trained at
University of New England, College of Osteo Medicine
Licensed in
MA, SC
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

50 Boston St
Lynn, MA 01904-2538
Phone: (781) 342-4191
Fax: (833) 450-5157
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 224414 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 1117 (SC)

Record details

NPI number1134184161
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 20, 2006
Last updated in NPPESAugust 31, 2026
Certification dateAugust 31, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2002 (24 years in practice)
Group practice Atrius Health Inc — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients342
Services billed 3,563 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Northeast Hospital Corporation Hospital · Beverly, MA
  • Vna Care Network Home health agency · Worcester, MA · listed as Vna Care Network, Inc
  • Lahey Hospital & Medical Center, Burlington Hospital · Burlington, MA
  • Beth Israel Lahey Health At Home Home health agency · Beverly, MA

Colleagues at Atrius Health Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1205 clinicians in the practice; 12 are shown here.

Other providers in Lynn