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

Lisa Ann Ryan, MD

Individual provider Internal Medicine Physician · NPI 1710207444

Lisa Ann Ryan, MD is an Internal Medicine in Chicago, Illinois. Qualified in 2009, 17 years ago. Practices with Oak Street Health Physicians Group PC, a 234-clinician group and accepts Medicare assignment. Licensed in Illinois and Michigan.

Years since qualifying
17
Licensed in
IL, MI
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3348 W 87th St
Chicago, IL 60652-3767
Phone: (773) 776-4471
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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 036.150408 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301096278 (MI)

Record details

NPI number1710207444
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 4, 2010
Last updated in NPPESSeptember 16, 2025
Certification dateSeptember 16, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Oak Street Health Physicians Group Pc — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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