NPPES file of Aug 9, 2026

Molly M. D'Costa, D.O.

Family Medicine Physician · Naperville, IL

Molly M. D'Costa, D.O. is a family medicine physician with a practice address in Naperville, Illinois, and NPI 1033199369, issued on Jan 20, 2006. Check the license (Illinois 036116813, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033199369
Name
Molly M. D'Costa
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
036116813 IL
3463 IA
Self-reported in NPPES; status is on the state search
Practice location
2710 111TH Street, Naperville, IL 60565
Phone
(630) 355-9531
Enumerated
Jan 20, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(630) 355-9532
Medicaid IDs
2271700 IA
1271700 IA
3271700 IA
4271700 IA
Medicare enrollment
Enrolled (PECOS I20061130000203); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 2001
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.
Download card Updates feed

Verify Molly M. D'Costa 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 036116813
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

41% fewer Medicare Part D claims than the average family medicine physician in 2024

2,094 Medicare Part D claims for 185 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 53 claims were for opioids.

  1. Molly D'Costa2,094
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium136 claims
  2. Alprazolam112 claims
  3. Amlodipine Besylate92 claims
  4. Escitalopram Oxalate89 claims
  5. Lisinopril80 claims
  6. Simvastatin62 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: $56.62

3 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Molly D'Costa$56.62
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Molly M. D'Costa among 6,215 family medicine physician records in Illinois

Molly M. D'Costa, D.O. is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2001 · median 2006 among the 3,714 with a school on file
  • Record last updated2007 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

86 family medicine physician records list a practice address in Naperville

They are 86 of the 4,634 NPPES records with a practice address in Naperville, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Thomas Chowattukunnel, MDNaperville, IL 605651225762826
  2. Anne Donnelly, M.D.Naperville, IL 605651982645578
  3. Ratish Kaura, M.D.Naperville, IL 605651306852033
  4. Kushal Shah, M.D.Naperville, IL 605651932633849
  5. Nicholas Apostolopoulos, MDNaperville, IL 605641790870822
  6. Deborah Coleman, MDNaperville, IL 605641427161678
  7. James CunnarNaperville, IL 605641164538617
  8. Thomas Fry, D.O.Naperville, IL 605641619085206

Common questions

What is Molly M. D'Costa, D.O.'s NPI number?

Molly M. D'Costa, D.O.'s National Provider Identifier (NPI) is 1033199369, issued on Jan 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Molly M. D'Costa, D.O. located?

The NPPES record lists a practice address at 2710 111TH Street, Naperville, IL, 60565. Phone: (630) 355-9531. Providers update this record themselves, so call before visiting.

How can I verify Molly M. D'Costa, D.O.'s license?

NPPES lists Illinois license number 036116813, 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 Molly M. D'Costa, D.O. prescribe under Medicare Part D?

In 2024, Molly M. D'Costa, D.O. had 2,094 Medicare Part D claims for 185 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.