Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ellen O'Brien Atwood, PA-C

Individual provider Physician Assistant · NPI 1487104303

Ellen O'Brien Atwood, PA-C is a Physician Assistant in Saint Charles, Missouri. Qualified in 2016, 10 years ago. Practices with Total Access Urgent Care PC, a 131-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
10
Licensed in
IL, MO
In the registry since
2016
Specialties on file
2
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

300 1st Capitol Dr
Saint Charles, MO 63301
Phone: (636) 947-5000
Fax: (636) 947-5090
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 700 N First St, Springfield, IL 62781-0001 — (217) 788-3156
  • 700 N First St, Springfield, IL 62781-0001 — (217) 788-3156

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 2019027949 (MO)
Physician Assistant Taxonomy 363A00000X · Licence 085005966 (IL)

Record details

NPI number1487104303
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedOctober 4, 2016
Last updated in NPPESAugust 23, 2019

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Total Access Urgent Care Pc — 131 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations13 on file with Medicare

Other providers in Saint Charles