CHELSEA L. TIEDEMANN FNP
NPI 1912320433
Nurse Practitioner in Oxnard, CA

Active since February 04, 2014PECOS Enrolled
2921 SAVIERS RD, OXNARD, CA 93033(805) 487-5588(805) 487-5589 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 22, 2021, Jan 8, 2018 (2 updates tracked since 2018).

About Chelsea L. Tiedemann Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHELSEA L. TIEDEMANN FNP (NPI 1912320433) is an individual nurse practitioner in Oxnard, California, licensed in California (23773) and active in the NPI registry since February 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912320433
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameCHELSEA L. TIEDEMANNCredential: FNP
Location Address2921 SAVIERS RDOxnard, CA 93033-5314
Mailing Address1172 N Maclay AveSan Fernando, CA 91340-1328 · (818) 898-1388 · Fax (818) 270-9590
Fax(805) 487-5589
Sole ProprietorNo
Enumeration DateFebruary 4, 2014
Last NPPES UpdateDecember 22, 20212 updates tracked since enumeration
NPPES CertifiedDecember 22, 2021
NPI 1912320433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in CA · 23773
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
2921 SAVIERS RD, Oxnard, CA 93033

Other Names 1

Other Name (5)Chelsea L. Routzahn Fnp

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Chelsea L. Tiedemann Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
2921 SAVIERS RD
OXNARD, CA 93033
Family Medicine
2921 SAVIERS RD
OXNARD, CA 93033
Physician Assistant
2921 SAVIERS RD
OXNARD, CA 93033
Family Medicine
2921 SAVIERS RD
OXNARD, CA 93033
Pediatrics
2921 SAVIERS RD
OXNARD, CA 93033
Internal Medicine (Nephrology)
2921 SAVIERS RD
OXNARD, CA 93033
Obstetrics & Gynecology
2921 SAVIERS RD
OXNARD, CA 93033
Physician Assistant
2921 SAVIERS RD
OXNARD, CA 93033

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chelsea Tiedemann's NPI number?

The NPI number for Chelsea Tiedemann is 1912320433. It was assigned to this individual provider in the NPPES registry on February 4, 2014. The provider is also known as Chelsea L. Routzahn Fnp.

Where is Chelsea Tiedemann located?

Chelsea Tiedemann practices at 2921 Saviers Rd, Oxnard, CA 93033. The listed phone number is (805) 487-5588.

What is Chelsea Tiedemann's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Chelsea Tiedemann enrolled in Medicare?

Yes. Chelsea Tiedemann is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Chelsea Tiedemann was last updated on December 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.