Peter Fergus, M.D.
NPI 1639157936 · Cardiovascular Disease Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Fergus, M.D. is a Cardiovascular Disease Physician provider in Green Bay, WI (NPI 1639157936).
Provider details
- NPI number
- 1639157936
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 19406 (WI)
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
578 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 141 | $9 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 123 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 84 | $125 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System, Remote Up to 90 Days93294 | 81 | $28 |
| Evaluation of Single, Dual, Multiple Lead Or Leadless Pacemaker System Or Implantable Defibrillator System, Remote Up to 90 Days93296 | 81 | $21 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ezetimibe | 481 | 132 |
| Metoprolol Succinate | 321 | 92 |
| Atorvastatin Calcium | 313 | 89 |
| Rosuvastatin Calcium | 297 | 83 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 219 | 64 |
| Furosemide | 195 | 61 |
| Potassium Chloride | 180 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2015-03-06
Frequently asked questions
- What is Peter Fergus's NPI number?
- Peter Fergus's National Provider Identifier (NPI) is 1639157936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Fergus's specialty?
- Peter Fergus is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Fergus located?
- Peter Fergus's practice location on file with NPPES is 1727 Shawano Ave, Green Bay, WI 54303-3273.
- What is Peter Fergus's phone number?
- The practice phone number listed in the NPPES registry for Peter Fergus is (920) 272-1050.
- Does Peter Fergus accept Medicare?
- Peter Fergus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Fergus's NPI active?
- Yes — Peter Fergus's NPI (1639157936) is active in the NPPES registry as of the last update on 2015-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.