Ariana Neddermann, FNP-C
NPI 1548049471 · Family Nurse Practitioner · Downey, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ariana Neddermann, FNP-C is a Family Nurse Practitioner provider in Downey, CA (NPI 1548049471).
Provider details
- NPI number
- 1548049471
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- NP95024407 (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 tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 38 | 11 |
| Relugolixbrand: Orgovyx | 31 | — |
| Anastrozole | 25 | 11 |
| Leuprolide Acetatebrand: Lupron Depot | 22 | 12 |
| Enzalutamidebrand: Xtandi | 22 | — |
| Letrozole | 21 | — |
| Palbociclibbrand: Ibrance | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,941 across 120 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
- 2023-09-28
- Last updated
- 2023-09-28
- Certified
- 2023-09-28
Frequently asked questions
- What is Ariana Neddermann's NPI number?
- Ariana Neddermann's National Provider Identifier (NPI) is 1548049471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariana Neddermann's specialty?
- Ariana Neddermann is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ariana Neddermann located?
- Ariana Neddermann's practice location on file with NPPES is 11525 Brookshire Ave Ste 202, Downey, CA 90241-4983.
- What is Ariana Neddermann's phone number?
- The practice phone number listed in the NPPES registry for Ariana Neddermann is (562) 869-1201.
- Does Ariana Neddermann accept Medicare?
- Ariana Neddermann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ariana Neddermann's NPI active?
- Yes — Ariana Neddermann's NPI (1548049471) is active in the NPPES registry as of the last update on 2023-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.