Cathleen B. Ayuste, MD
Pediatrics Physician · Downers Grove, IL
Cathleen B. Ayuste, MD is a pediatrics physician with a practice address in Downers Grove, Illinois, and NPI 1932285236, issued on Oct 29, 2006. Check the license (Illinois 036106939, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Cathleen B. Ayuste
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 036106939 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4121 Fairview Ave Ste 100, Downers Grove, IL 60515
- Phone
- (630) 971-8881
- Enumerated
- Oct 29, 2006
- Record last updated
- May 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 971-8842
- Entity
- Type 1 · individual
Also registered at 4121 Fairview Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ofelia Ayuste, M.D.Pediatrics Physician1669558961
- Deborah Boyle, M.D.Pediatrics Physician1174767081
Verify Cathleen B. Ayuste in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036106939Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24 pediatrics physician records list a practice address in Downers Grove
They are 24 of the 1,899 NPPES records with a practice address in Downers Grove, and 3,176 pediatrics physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 24 in Downers Grove → All 3,176 in Illinois → Every provider in Downers Grove →
Other pediatrics physician records in Illinois
- Waleed Abbasi, M.D.Rockford, IL1487941969
- Aiah Abdel-AalChicago, IL1255115846
- Mahmoud Abdel-Ghani, MDSpringfield, IL1487495883
- Boraan Abdulkarim, MDMaywood, IL1700689379
- Lubna Abdullah, MDWheaton, IL1558504142
- Zainab Abdullah, M.D.Chicago, IL1356579650
- Sneha Abichandani, M.DChicago, IL1346505286
- Lynn Ables, MDWheaton, IL1285795989
- Emil Abraham, MDSpringfield, IL1396419768
- Rebecca AbrahamChicago, IL1154174209
Common questions
What is Cathleen B. Ayuste, MD's NPI number?
Cathleen B. Ayuste, MD's National Provider Identifier (NPI) is 1932285236, issued on Oct 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathleen B. Ayuste, MD located?
The NPPES record lists a practice address at 4121 Fairview Ave Ste 100, Downers Grove, IL, 60515. Phone: (630) 971-8881. Providers update this record themselves, so call before visiting.
How can I verify Cathleen B. Ayuste, MD's license?
NPPES lists Illinois license number 036106939, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.