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

Shirley Ana Stilson, MD

Individual provider Hospitalist Physician · NPI 1700806254

Shirley Ana Stilson, MD practises Internal Medicine in Willowbrook, Illinois. Qualified in 2000, 26 years ago. Practices with Texas Health Physicians Group, a 1,356-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California, Illinois and Texas.

Years since qualifying
26
Licensed in
CA, IL, TX
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6336 Martin Dr
Willowbrook, IL 60527-5328
Phone: (949) 370-7225
Show map & directions

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

Additional practice locations (1)

  • 800 W Central Rd, Arlington Heights, IL 60005-2349 — (877) 635-9229

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence T3887 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence 036108964 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 036108964 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence A93448 (CA)

Record details

NPI number1700806254
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESAugust 4, 2026
Certification dateAugust 4, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Texas Health Physicians Group — 1356 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients39
Services billed 53 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

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.

Colleagues at Texas Health Physicians Group

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1356 clinicians in the practice; 12 are shown here.