Patrick Clinton Fenner, MD
Cardiovascular Disease Physician · Downers Grove, IL
Patrick Clinton Fenner, MD is a cardiovascular disease physician with a practice address in Downers Grove, Illinois, and NPI 1588616585, issued on May 17, 2006. Check the license (Illinois 036084061, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Patrick Clinton Fenner
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 036084061 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3825 Highland Ave, Downers Grove, IL 60515
- Phone
- (630) 719-4799
- Enumerated
- May 17, 2006
- Record last updated
- Jul 8, 2025
- Medicaid ID
- 036084061 IL
- Medicare enrollment
- Enrolled (PECOS I20040515000344); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,073 in Illinois → Look up another NPI →
Also registered at 3825 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mani Akkineni, M.D.Specialist1467456186
- Medha Amin, MDObstetrics Physician1912197534
- Teresita Avila, M.D.Specialist1386649317
- Lara Bakhos, M.D.Cardiovascular Disease Physician1730336652
- Jennifer Balash, M.D.Obstetrics & Gynecology Physician1487881025
- Shamita Bansore, MDObstetrics & Gynecology Physician1700813771
Verify Patrick Clinton Fenner 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 036084061Check 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
4,598 Medicare Part D claims for 501 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Atorvastatin Calcium601 claims
- Carvedilol406 claims
- Metoprolol Succinate335 claims
- Lisinopril281 claims
- Rosuvastatin Calcium241 claims
- Amlodipine Besylate219 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.
Bills Medicare through one group practice
- Swedishamerican HospitalRockford, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Clinton Fenner among 1,073 cardiovascular disease physician records in Illinois
Patrick Clinton Fenner, MD is one of 1,073 cardiovascular disease 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1989 · median 2001 among the 688 with a school on file
- Record last updated2025 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Illinois
There are 1,073 cardiovascular disease physician records in Illinois.
All 1,073 in Illinois → Every provider in Downers Grove → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Lara Bakhos, M.D.Downers Grove, IL 605151730336652
- Sunil Lulla, M.D.Downers Grove, IL 605151477535201
- Joseph Marek, MDDowners Grove, IL 605151548216302
- Iva Minga, M.D.Downers Grove, IL 605151104357466
- Mahesh Raju, MDDowners Grove, IL 605151811143548
- Stephen Rowley, MDDowners Grove, IL 605151023061108
- Gaile Sabaliauskas, MDDowners Grove, IL 605151326094699
- Mhd Adeeb SebaiDowners Grove, IL 605151740755321
Common questions
What is Patrick Clinton Fenner, MD's NPI number?
Patrick Clinton Fenner, MD's National Provider Identifier (NPI) is 1588616585, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Clinton Fenner, MD located?
The NPPES record lists a practice address at 3825 Highland Ave, Downers Grove, IL, 60515. Phone: (630) 719-4799. Providers update this record themselves, so call before visiting.
How can I verify Patrick Clinton Fenner, MD's license?
NPPES lists Illinois license number 036084061, 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 Patrick Clinton Fenner, MD prescribe under Medicare Part D?
In 2024, Patrick Clinton Fenner, MD had 4,598 Medicare Part D claims for 501 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.