David J. Aguiar, MD
Obstetrics & Gynecology Physician · Naperville, IL
David J. Aguiar, MD is an obstetrics & gynecology physician with a practice address in Naperville, Illinois, and NPI 1679660229, issued on Oct 6, 2006. Check the license (Illinois 036090965, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- David J. Aguiar
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036090965 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 Spalding Dr Ste 406, Naperville, IL 60540
- Phone
- (630) 961-9485
- Enumerated
- Oct 6, 2006
- Record last updated
- Feb 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 961-9578
- Medicaid ID
- 036090965 IL
- Medicare enrollment
- Enrolled (PECOS I20110131000114); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 100 Spalding Dr Ste 406
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Chen, MDObstetrics & Gynecology Physician1518040401
- Brittany Conrad, APN-CNPNurse Practitioner1083133706
- Kimberly Delapp, MDObstetrics & Gynecology Physician1679990121
- Nabiha Hashmi, MDObstetrics & Gynecology Physician1528681673
- Basel Imam, M.D.Obstetrics & Gynecology Physician1245573542
- Lourdes Juarez, MDObstetrics & Gynecology Physician1598105835
Verify David J. Aguiar 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 036090965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
43 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of 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.
The MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $57.61
3 payments; by number, the most common kind was food and beverage; the largest payer was CooperSurgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Endeavor Health Medical GroupNaperville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David J. Aguiar among 2,062 obstetrics & gynecology physician records in Illinois
David J. Aguiar, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1992 · median 2006 among the 1,168 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Illinois
There are 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Naperville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Linda AndersonNaperville, IL 605401528058195
- Andrew Badowski, MDNaperville, IL 605401104849272
- Vimi Bajaj, MD FACOGNaperville, IL 605401164488763
- Judith Bressler, M.D.Naperville, IL 605401194726547
- Michele Carney, MDNaperville, IL 605401750371340
- Michael Feingold, MDNaperville, IL 605401053366567
- Bridget Frangella, MDNaperville, IL 605401972578375
- John Josupait, MDNaperville, IL 605401972594018
Common questions
What is David J. Aguiar, MD's NPI number?
David J. Aguiar, MD's National Provider Identifier (NPI) is 1679660229, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David J. Aguiar, MD located?
The NPPES record lists a practice address at 100 Spalding Dr Ste 406, Naperville, IL, 60540. Phone: (630) 961-9485. Providers update this record themselves, so call before visiting.
How can I verify David J. Aguiar, MD's license?
NPPES lists Illinois license number 036090965, 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 David J. Aguiar, MD prescribe under Medicare Part D?
In 2024, David J. Aguiar, MD had 43 Medicare Part D claims for 18 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is David J. Aguiar, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100. 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.