Patrick Fenner, MD
NPI 1588616585 · Cardiovascular Disease Physician · Downers Grove, IL
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Fenner, MD is a Cardiovascular Disease Physician provider in Downers Grove, IL (NPI 1588616585).
Provider details
- NPI number
- 1588616585
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036084061 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,763 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 704 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 277 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 251 | $186 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 237 | $417 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 136 | $93 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 601 | 169 |
| Carvedilol | 406 | 119 |
| Metoprolol Succinate | 335 | 107 |
| Lisinopril | 281 | 84 |
| Rosuvastatin Calcium | 241 | 79 |
| Amlodipine Besylate | 219 | 81 |
| Valsartan | 207 | 58 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Patrick Fenner's NPI number?
- Patrick Fenner's National Provider Identifier (NPI) is 1588616585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Fenner's specialty?
- Patrick Fenner is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Fenner located?
- Patrick Fenner's practice location on file with NPPES is 3825 Highland Ave, Downers Grove, IL 60515-1552.
- What is Patrick Fenner's phone number?
- The practice phone number listed in the NPPES registry for Patrick Fenner is (630) 719-4799.
- Does Patrick Fenner accept Medicare?
- Patrick Fenner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Fenner's NPI active?
- Yes — Patrick Fenner's NPI (1588616585) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.