Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Jeffrey Andrew Neilsen Jr., PA-C

Individual provider Physician Assistant · NPI 1639324197

Jeffrey Andrew Neilsen Jr., PA-C is a Physician Assistant in Schaumburg, Illinois. Graduated from Saint Louis University School of Medicine in 2006, 20 years ago. Practices with Barrington Orthopedic Specialists Ltd, a 61-clinician group and accepts Medicare assignment. Licensed in Arizona and Illinois.

Years since qualifying
20
Trained at
Saint Louis University School of Medicine
Licensed in
AZ, IL
In the registry since
2008
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

929 W Higgins Rd
Schaumburg, IL 60195-3203
Phone: (847) 285-4200
Fax: (847) 885-0130
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085-003426 (IL)
Physician Assistant Taxonomy 363A00000X · Licence 3482 (AZ)

Record details

NPI number1639324197
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedNovember 25, 2008
Last updated in NPPESDecember 23, 2025
Certification dateDecember 23, 2025

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolSAINT LOUIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Barrington Orthopedic Specialists Ltd — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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