Maria Caridad Aguilera Astudillo, MD
Endocrinology, Diabetes & Metabolism Physician · Sycamore, IL
Maria Caridad Aguilera Astudillo, MD is an endocrinology, diabetes & metabolism physician with a practice address in Sycamore, Illinois, and NPI 1164040887, issued on Jul 9, 2020. Check the license (Illinois 036173844, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Maria Caridad Aguilera Astudillo
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 036173844 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Gateway Dr Ste 205, Sycamore, IL 60178
- Phone
- (815) 754-1097
- Enumerated
- Jul 9, 2020
- Record last updated
- Sep 23, 2025
- Fax
- (815) 748-8957
- Medicare enrollment
- Enrolled (PECOS I20250818000610); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →
Verify Maria Caridad Aguilera Astudillo 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 036173844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
140 Medicare Part D claims for 29 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Levothyroxine Sodium36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $253.36
2 payments; by number, the most common kind was food and beverage; the largest payer was Kyowa Kirin, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Central Dupage Physician GroupSycamore, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Caridad Aguilera Astudillo among 436 endocrinology, diabetes & metabolism physician records in Illinois
Maria Caridad Aguilera Astudillo, MD is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2016 · median 2006 among the 295 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Illinois
There are 436 endocrinology, diabetes & metabolism physician records in Illinois.
All 436 in Illinois → Every provider in Sycamore → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Wendell Malalis, M.D.Sycamore, IL 601781962692418
- Lily Agrawal, M.D.Oakbrook Terrace, IL 601811922110394
- Tina Bansal, M.DSchaumburg, IL 601731508955956
- Przemyslaw Lastowiecki, M.D.Hoffman Estates, IL 601691932181401
- Shujauddin Valika, M.D.Hoffman Estates, IL 601691417908724
- William Bayer, MDCarol Stream, IL 601881528162898
- Aileen WestrickCarol Stream, IL 601881770710493
- Faiza Anjum, MDWheaton, IL 601891235793225
Common questions
What is Maria Caridad Aguilera Astudillo, MD's NPI number?
Maria Caridad Aguilera Astudillo, MD's National Provider Identifier (NPI) is 1164040887, issued on Jul 9, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Maria Caridad Aguilera Astudillo, MD located?
The NPPES record lists a practice address at 1850 Gateway Dr Ste 205, Sycamore, IL, 60178. Phone: (815) 754-1097. Providers update this record themselves, so call before visiting.
How can I verify Maria Caridad Aguilera Astudillo, MD's license?
NPPES lists Illinois license number 036173844, 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.
How much does Maria Caridad Aguilera Astudillo, MD prescribe under Medicare Part D?
In 2024, Maria Caridad Aguilera Astudillo, MD had 140 Medicare Part D claims for 29 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
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.