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

Holly Ryan

Individual provider Emergency Medicine Physician · NPI 1821739475

Holly Ryan is an Emergency Medicine in Chicago, Illinois. Qualified in 2022, 4 years ago. Practices with Osf Multi-Specialty Group, a 2,128-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
4
Licensed in
IL
In the registry since
2022
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Practice location Address checks out

820 S Wood St Ste 100
Chicago, IL 60612-4325
Phone: (312) 996-2933
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1775 Dempster St, Park Ridge, IL 60068-1143 — (847) 723-5150

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 036.174200 (IL)

Record details

NPI number1821739475
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 6, 2022
Last updated in NPPESJuly 28, 2025
Certification dateJuly 28, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice Osf Multi-Specialty Group — 2128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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