Diane Bielefeld, APRN
NPI 1609183862 · Nurse Practitioner · Louisville, KY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Bielefeld, APRN is a Nurse Practitioner provider in Louisville, KY (NPI 1609183862).
Provider details
- NPI number
- 1609183862
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 28183928A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
21 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $60 |
Typical Medicare-allowed amounts for these services range $60–$60 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 23 | 20 |
| Metoprolol Succinate | 23 | 17 |
| Furosemide | 17 | 13 |
| Ticagrelorbrand: Brilinta | 15 | 12 |
| Apixabanbrand: Eliquis | 14 | — |
| Hydralazine Hcl | 14 | — |
| Losartan Potassium | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,354 across 66 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
- 2010-09-09
- Last updated
- 2018-03-15
Frequently asked questions
- What is Diane Bielefeld's NPI number?
- Diane Bielefeld's National Provider Identifier (NPI) is 1609183862, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Bielefeld's specialty?
- Diane Bielefeld is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Bielefeld located?
- Diane Bielefeld's practice location on file with NPPES is 225 Abraham Flexner Way Ste 305, Louisville, KY 40202-1891.
- What is Diane Bielefeld's phone number?
- The practice phone number listed in the NPPES registry for Diane Bielefeld is (502) 585-4321.
- Does Diane Bielefeld accept Medicare?
- Diane Bielefeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Bielefeld's NPI active?
- Yes — Diane Bielefeld's NPI (1609183862) is active in the NPPES registry as of the last update on 2018-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.