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ALEJANDRA NARANJO MAZZARELLI PA-C
NPI 1669988556
Physician Assistant in Oxnard, CA

Active since December 14, 2017PECOS Enrolled

NPPES record last updated: July 2, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 2, 2025, Mar 29, 2018, Dec 14, 2017 (3 updates tracked since 2017).

About Alejandra Naranjo Mazzarelli Pa-c NPPES

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

ALEJANDRA NARANJO MAZZARELLI PA-C (NPI 1669988556) is an individual physician assistant in Oxnard, California, licensed in California (55225) and active in the NPI registry since December 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1669988556
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALEJANDRA NARANJO MAZZARELLICredential: PA-C
Location Address2651 S C STOxnard, CA 93033-3560
Mailing AddressPo Box 31Somis, CA 93066-0031
Phone(888) 898-3806
Sole ProprietorYes
Enumeration DateDecember 14, 2017
Last NPPES UpdateJuly 2, 20253 updates tracked since enumeration
NPPES CertifiedJuly 2, 2025
✔ NPI 1669988556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · 55225
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
2651 S C ST, Oxnard, CA 93033
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1201 E Lakeview AveWoodlake, CA 93286-1301 · Phone (877) 960-3426
Location 22061 Indiana DrOxnard, CA 93036-6279 · Phone (805) 822-2744

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alejandra Naranjo Mazzarelli Pa-c 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
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
Most-billed visit code 99213
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

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

MRS. ELOISE JOHNNS ARNP
Nurse Practitioner (Family)
2651 S C ST
OXNARD, CA 93033
Ventura County (805) 983-6713

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 Alejandra Mazzarelli's NPI number?

The NPI number for Alejandra Mazzarelli is 1669988556. It was assigned to this individual provider in the NPPES registry on December 14, 2017.

Where is Alejandra Mazzarelli located?

Alejandra Mazzarelli practices at 2651 S C St, Oxnard, CA 93033. The listed phone number is (888) 898-3806.

What is Alejandra Mazzarelli's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Alejandra Mazzarelli enrolled in Medicare?

Yes. Alejandra Mazzarelli is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alejandra Mazzarelli was last updated on July 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.