Douglas Mielke, MD
NPI 1104878149 · Interventional Cardiology Physician · Appleton, WI
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Mielke, MD is a Interventional Cardiology Physician provider in Appleton, WI (NPI 1104878149).
Provider details
- NPI number
- 1104878149
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35277-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,629 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 540 | $120 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 227 | $176 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 126 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 107 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 87 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 726 | 218 |
| Apixabanbrand: Eliquis | 703 | 163 |
| Furosemide | 452 | 159 |
| Spironolactone | 365 | 115 |
| Amlodipine Besylate | 318 | 122 |
| Metoprolol Tartrate | 251 | 96 |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$529 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2020-03-26
- Certified
- 2020-03-26
Frequently asked questions
- What is Douglas Mielke's NPI number?
- Douglas Mielke's National Provider Identifier (NPI) is 1104878149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Mielke's specialty?
- Douglas Mielke is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Mielke located?
- Douglas Mielke's practice location on file with NPPES is 5045 W Grande Market Dr, Appleton, WI 54913-8517.
- What is Douglas Mielke's phone number?
- The practice phone number listed in the NPPES registry for Douglas Mielke is (920) 886-9380.
- Does Douglas Mielke accept Medicare?
- Douglas Mielke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Mielke's NPI active?
- Yes — Douglas Mielke's NPI (1104878149) is active in the NPPES registry as of the last update on 2020-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.