Mary Dea, DO
Internal Medicine Physician · Naperville, IL
Mary Dea, DO is an internal medicine physician with a practice address in Naperville, Illinois, and NPI 1518951474, issued on Sep 7, 2005. Check the license (Illinois 036095029, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mary Dea
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036095029 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1804 N Naper Blvd, Naperville, IL 60563
- Phone
- (630) 646-6200
- Enumerated
- Sep 7, 2005
- Entity
- Type 1 · individual
Also registered at 1804 N Naper Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Godwin Roy Flores, FNP-CNurse Practitioner1366095333
Verify Mary Dea 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 036095029Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
296 Medicare Part D claims for 90 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 43 claims were for opioids.
Most prescribed
- Tramadol Hcl17 claims
- Hydrocodone-Acetaminophen15 claims
- Diazepam13 claims
- Alprazolam12 claims
- Lisinopril12 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: $460.15
22 payments, mostly food and beverage; the largest payer was Verity Pharmaceuticals Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Health Service Systems, IncLemont, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
113 internal medicine physician records list a Naperville practice address
They are 113 of the 4,634 NPPES records with a Naperville practice address, and 8,522 internal medicine physician records in Illinois.
All 113 in Naperville → All 8,522 in Illinois → Every provider in Naperville →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Mary Dea, DO's NPI number?
Mary Dea, DO's National Provider Identifier (NPI) is 1518951474, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mary Dea, DO located?
The NPPES record lists a practice address at 1804 N Naper Blvd, Naperville, IL, 60563. Phone: (630) 646-6200. Providers update this record themselves, so call before visiting.
How can I verify Mary Dea, DO's license?
NPPES lists Illinois license number 036095029, 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 Mary Dea, DO prescribe under Medicare Part D?
In 2024, Mary Dea, DO had 296 Medicare Part D claims for 90 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.