SYDNEY JOYE DECASTILHOS FNP, BC
NPI 1033096011
Nurse Practitioner - Family in Santa Rosa, CA

Active since August 20, 2025PECOS EnrolledAccepts Medicare Assignment
1162 MONTGOMERY DR FL 2, SANTA ROSA, CA 95405(707) 890-4100 Get Directions Write a Review

NPPES record last updated: August 20, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Sydney Joye Decastilhos Fnp, Bc NPPES

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

SYDNEY JOYE DECASTILHOS FNP, BC (NPI 1033096011) is an individual family provider in Santa Rosa, California, licensed in California (95036650) and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1033096011
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSYDNEY JOYE DECASTILHOSCredential: FNP, BC
Location Address1162 MONTGOMERY DR FL 2Santa Rosa, CA 95405-4802
Mailing Address2 Sheldrake CtSan Rafael, CA 94903-1435
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateAugust 20, 2025
NPPES CertifiedAugust 20, 2025
NPI 1033096011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in CA · 95036650
1162 MONTGOMERY DR FL 2, Santa Rosa, CA 95405

Other Names 1

Former Name (1)Sydney Joye Saxon

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Sydney Joye Decastilhos Fnp, Bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799281838
PECOS Enrollment IDI20250929002702
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 95405 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
$96.16 typical visit price
range $63.04 – $187.01
Typical copayment $24.04 (range $15.76 – $46.75)
Most-billed visit code 99203
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
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 5

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

Dietitian, Registered
1162 MONTGOMERY DR FL 2
SANTA ROSA, CA 95405
Nurse Practitioner (Family)
1162 MONTGOMERY DR FL 2
SANTA ROSA, CA 95405
Physician Assistant
1162 MONTGOMERY DR FL 2
SANTA ROSA, CA 95405
Physician Assistant
1162 MONTGOMERY DR FL 2
SANTA ROSA, CA 95405
Physician Assistant (Medical)
1162 MONTGOMERY DR FL 2
SANTA ROSA, CA 95405

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 Sydney Decastilhos's NPI number?

The NPI number for Sydney Decastilhos is 1033096011. It was assigned to this individual provider in the NPPES registry on August 20, 2025. The provider is also known as Sydney Joye Saxon.

Where is Sydney Decastilhos located?

Sydney Decastilhos practices at 1162 Montgomery Dr Fl 2, Santa Rosa, CA 95405. The listed phone number is (707) 890-4100.

What is Sydney Decastilhos's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sydney Decastilhos enrolled in Medicare?

Yes. Sydney Decastilhos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sydney Decastilhos was last updated on August 20, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.