Ann Davis, MD
Cardiovascular Disease Physician · Naperville, IL
Ann Davis, MD is a cardiovascular disease physician with a practice address in Naperville, Illinois, and NPI 1528012846, issued on May 20, 2006. Check the license (Illinois 036.088789, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ann Davis
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 036.088789 IL
036088789 IL
Self-reported in NPPES; status is on the state search - Practice location
- 801 S Washington St FL 4, Naperville, IL 60540
- Phone
- (630) 600-0700
- Enumerated
- May 20, 2006
- Entity
- Type 1 · individual
Also registered at 801 S Washington St FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Badur, FNP-BCFamily Nurse Practitioner1386212975
- Abigail Bingham, APRNAcute Care Nurse Practitioner1548752843
- Maria Rosa Costanzo, MDAdvanced Heart Failure and Transplant Cardiology Physician1073564860
- Krishna Nagendran, MDCardiovascular Disease Physician1265674691
- Ron Oren, MDCardiovascular Disease Physician1366422438
- Abdullah Quddus, M.D.Internal Medicine Physician1578851515
Verify Ann Davis 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 036.088789Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
49% more Medicare Part D claims than the average cardiovascular disease physician in 2024
4,701 Medicare Part D claims for 728 beneficiaries, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Metoprolol Succinate545 claims
- Atorvastatin Calcium518 claims
- Rosuvastatin Calcium513 claims
- Amlodipine Besylate336 claims
- Losartan Potassium312 claims
- Ezetimibe265 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: $3,882.94
82 payments, mostly food and beverage; the largest payer was Amgen Inc.. The 16,209 providers of this specialty with any payment received $4,923.81 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.
3 hospital and facility affiliations
- Edward HospitalNaperville, IL · Acute Care Hospitals3 of 5 stars
- Cardiovascular Institute Gpe IncNaperville, IL
- Midwest Cardiovascular Institute SCNaperville, 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.
Cardiovascular Disease Physician providers in Illinois
There are 992 cardiovascular disease physician records in Illinois.
Other cardiovascular disease physician records in Illinois
- Nicolaos Abariotis, MDChicago, IL1417996257
- Tahir Abbasi, M.D.Hazel Crest, IL1255495701
- Ashraf Abourahma, M.D.Oak Lawn, IL1972561975
- Bruce Abramowitz, M.D.,F.A.C.C.Oak Lawn, IL1013918473
- Amjad Abualsuod, MDPeoria, IL1427346444
- Abdulrahman Abutaleb, M.D.Barrington, IL1891185609
- Karima AddetiaChicago, IL1740612993
- Keenan Adib, MDHinsdale, IL1790098804
- Alexander Adler, MDPeoria, IL1912929118
- Naveed Adoni, MDUrbana, IL1881644177
Common questions
What is Ann Davis, MD's NPI number?
Ann Davis, MD's National Provider Identifier (NPI) is 1528012846, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Davis, MD located?
The NPPES record lists a practice address at 801 S Washington St FL 4, Naperville, IL, 60540. Phone: (630) 600-0700. Providers update this record themselves, so call before visiting.
How can I verify Ann Davis, MD's license?
NPPES lists Illinois license number 036.088789, 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 Ann Davis, MD prescribe under Medicare Part D?
In 2024, Ann Davis, MD had 4,701 Medicare Part D claims for 728 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. 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.