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DR. JANETTA LORENZA ARELLANO MD
NPI 1700318763
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Orange, CA

Active since March 29, 2017PECOS Enrolled
505 S MAIN ST STE 350, ORANGE, CA 92868(714) 509-7982(855) 246-2329 Get Directions Write a Review

NPPES record last updated: August 30, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 30, 2022, Mar 29, 2017 (2 updates tracked since 2017).

About Dr. Janetta Lorenza Arellano Md NPPES

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

DR. JANETTA LORENZA ARELLANO MD (NPI 1700318763) is an individual neurology with special qualifications in child neurology provider in Orange, California, licensed in California (A159278) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700318763
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameDR. JANETTA LORENZA ARELLANOCredential: MD
Location Address505 S MAIN ST STE 350Orange, CA 92868-4524
Mailing Address505 S Main St Ste 350Orange, CA 92868-4524 · (714) 509-7982 · Fax (855) 246-2329
Phone(714) 509-7982
Fax(855) 246-2329
Sole ProprietorNo
Enumeration DateMarch 29, 2017
Last NPPES UpdateAugust 30, 20222 updates tracked since enumeration
NPPES CertifiedAugust 22, 2022
✔ NPI 1700318763 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in CA · A159278
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
505 S MAIN ST STE 350, Orange, CA 92868
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Janetta Lorenza Arellano Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Janetta Arellano reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of Claifornia Univ Neursciences
1.4 mi
Neurology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 135 clinicians in this Medicare group
NPI 1205884210 (714) 456-8068

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 2

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

DR. EMILY KATHLEEN GARAVATTI MD
Pediatrics (Neurodevelopmental Disabilities)
505 S MAIN ST STE 350
ORANGE, CA 92868
Orange County (714) 509-7982
MONICA CHELSEA SPITZER CHISHOLM MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
505 S MAIN ST STE 350
ORANGE, CA 92868
Orange County (714) 576-7801

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 Janetta Arellano's NPI number?

The NPI number for Janetta Arellano is 1700318763. It was assigned to this individual provider in the NPPES registry on March 29, 2017.

Where is Janetta Arellano located?

Janetta Arellano practices at 505 S Main St Ste 350, Orange, CA 92868. The listed phone number is (714) 509-7982.

What is Janetta Arellano's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Janetta Arellano enrolled in Medicare?

Yes. Janetta Arellano is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Janetta Arellano's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Janetta Arellano reassigns Medicare benefits to Regents Of The University Of Claifornia Univ Neursciences (Orange, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Janetta Arellano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Janetta Arellano was last updated on August 30, 2022. 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.