NPPES file of Aug 9, 2026

Shirley Ana Stilson, M.D.

Internal Medicine Physician · Willowbrook, IL

Shirley Ana Stilson, M.D. is an internal medicine physician with a practice address in Willowbrook, Illinois, and NPI 1700806254, issued on Jul 20, 2006. Check the license (Illinois 036108964, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700806254
Name
Shirley Ana Stilson
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
036108964 IL
T3887 TX
A93448 CA
Self-reported in NPPES; status is on the state search
Practice location
6336 Martin Dr, Willowbrook, IL 60527
Phone
(949) 370-7225
Enumerated
Jul 20, 2006
Record last updated
Aug 4, 2026
Medicare enrollment
Enrolled (PECOS I20220531000805); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Shirley Ana Stilson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036108964
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 75.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score68.1
  2. Costout of 100 · 30%49.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Texas Health Physicians GroupDenton, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

7 internal medicine physician records list a practice address in Willowbrook

They are 7 of the 453 NPPES records with a practice address in Willowbrook, and 7,238 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Shirley Ana Stilson, M.D.'s NPI number?

Shirley Ana Stilson, M.D.'s National Provider Identifier (NPI) is 1700806254, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Shirley Ana Stilson, M.D. located?

The NPPES record lists a practice address at 6336 Martin Dr, Willowbrook, IL, 60527. Phone: (949) 370-7225. Providers update this record themselves, so call before visiting.

How can I verify Shirley Ana Stilson, M.D.'s license?

NPPES lists Illinois license number 036108964, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Shirley Ana Stilson, M.D.'s MIPS final score?

The 2023 MIPS final score is 75.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.