Chelsea Tiedemann, FNP
NPI 1912320433 · Nurse Practitioner · Oxnard, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Tiedemann, FNP is a Nurse Practitioner provider in Oxnard, CA (NPI 1912320433).
Provider details
- NPI number
- 1912320433
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 23773 (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 tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 57 | 23 |
| Fluoxetine Hcl | 38 | 12 |
| Escitalopram Oxalate | 24 | — |
| Duloxetine Hcl | 21 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 15 | — |
| Mirtazapine | 13 | — |
| Citalopram Hydrobromide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-02-04
- Last updated
- 2021-12-22
- Certified
- 2021-12-22
Frequently asked questions
- What is Chelsea Tiedemann's NPI number?
- Chelsea Tiedemann's National Provider Identifier (NPI) is 1912320433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Tiedemann's specialty?
- Chelsea Tiedemann is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chelsea Tiedemann located?
- Chelsea Tiedemann's practice location on file with NPPES is 2921 Saviers Rd, Oxnard, CA 93033-5314.
- What is Chelsea Tiedemann's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Tiedemann is (805) 487-5588.
- Does Chelsea Tiedemann accept Medicare?
- Chelsea Tiedemann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Tiedemann's NPI active?
- Yes — Chelsea Tiedemann's NPI (1912320433) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.