Brad Willenbring, D.O.
NPI 1124464185 · Family Medicine Physician · Grimes, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brad Willenbring, D.O. is a Family Medicine Physician provider in Grimes, IA (NPI 1124464185).
Provider details
- NPI number
- 1124464185
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 05623 (IA)
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
13 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
683 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 | 158 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $83 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 56 | $10 |
| Hemoglobin A1c Level83036 | 47 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 46 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 224 | 70 |
| Lisinopril | 135 | 43 |
| Omeprazole | 105 | 33 |
| Losartan Potassium | 100 | 30 |
| Simvastatin | 96 | 28 |
| Metformin Hcl | 94 | 25 |
| Amlodipine Besylate | 87 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-05-17
- Last updated
- 2024-10-18
- Certified
- 2024-10-18
Frequently asked questions
- What is Brad Willenbring's NPI number?
- Brad Willenbring's National Provider Identifier (NPI) is 1124464185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brad Willenbring's specialty?
- Brad Willenbring is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brad Willenbring located?
- Brad Willenbring's practice location on file with NPPES is 825 Ne Gateway Dr Ste 148, Grimes, IA 50111-1307.
- What is Brad Willenbring's phone number?
- The practice phone number listed in the NPPES registry for Brad Willenbring is (515) 875-9607.
- Does Brad Willenbring accept Medicare?
- Brad Willenbring is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brad Willenbring's NPI active?
- Yes — Brad Willenbring's NPI (1124464185) is active in the NPPES registry as of the last update on 2024-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.