Carol Dieu, NURSE PRACTITIONER
NPI 1447844568 · Family Nurse Practitioner · Porter Ranch, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carol Dieu, NURSE PRACTITIONER is a Family Nurse Practitioner provider in Porter Ranch, CA (NPI 1447844568).
Provider details
- NPI number
- 1447844568
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTITIONER
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95016816 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 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
99 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 23 | $118 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 17 | $9 |
Typical Medicare-allowed amounts for these services range $9–$118 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 33 | 32 |
| Mupirocin | 20 | 20 |
| Losartan Potassium | 18 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 18 | 14 |
| Prednisone | 17 | 14 |
| Triamcinolone Acetonide | 14 | 12 |
| Atorvastatin Calcium | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-01
- Last updated
- 2022-05-10
- Certified
- 2022-05-10
Frequently asked questions
- What is Carol Dieu's NPI number?
- Carol Dieu's National Provider Identifier (NPI) is 1447844568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Dieu's specialty?
- Carol Dieu is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carol Dieu located?
- Carol Dieu's practice location on file with NPPES is 19950 Rinaldi St, Porter Ranch, CA 91326-4141.
- What is Carol Dieu's phone number?
- The practice phone number listed in the NPPES registry for Carol Dieu is (818) 496-7500.
- Does Carol Dieu accept Medicare?
- Carol Dieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carol Dieu's NPI active?
- Yes — Carol Dieu's NPI (1447844568) is active in the NPPES registry as of the last update on 2022-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.