STEPHANIE CASTILLO FNP
NPI 1083147730
Nurse Practitioner in Livingston, CA

Q: What is Stephanie Castillo's NPI number?

The NPI number for Stephanie Castillo is 1083147730. It was assigned to this individual provider in the NPPES registry on April 10, 2017. The provider is also known as Stephanie Holmes Fnp.

Q: What is Stephanie Castillo's specialty?

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

Active since April 10, 2017PECOS EnrolledAccepts Medicare Assignment

1140 MAIN ST, LIVINGSTON, CA 95334(209) 394-1325 Get Directions Write a Review

NPPES record last updated: June 22, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 8, 2019, Apr 10, 2017 (2 updates tracked since 2017).

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About Stephanie Castillo Fnp NPPES

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

STEPHANIE CASTILLO FNP (NPI 1083147730) is an individual nurse practitioner in Livingston, California, licensed in California (95006442) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1083147730

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameSTEPHANIE CASTILLOCredential: FNP

Location Address1140 MAIN STLivingston, CA 95334-1257

Mailing Address1140 Main StLivingston, CA 95334-1257 · (209) 394-7913

Phone(209) 394-1325

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateApril 10, 2017

Last NPPES UpdateJune 22, 20222 updates tracked since enumeration

NPPES CertifiedJune 22, 2022

✔ NPI 1083147730 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 · 95006442

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.

1140 MAIN ST, Livingston, CA 95334

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Other Names 1

Former Name (1)Stephanie Holmes Fnp

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stephanie Castillo Fnp 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 ID941572960

PECOS Enrollment IDI20190102002948

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 Reassignments

Medicare enrollment records show Stephanie Castillo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

San Joaquin Emergency Medical Associates

14 mi

Emergency Medicine

333 MERCY AVE
Merced, CA 95340

Reassigned Medicare billing, California enrollment
141 clinicians in this Medicare group

NPI 1588960413 (844) 474-4019

Community Health Centers Of America

17 mi

Federally Qualified Health Center (FQHC)

554 5TH ST
Gustine, CA 95322

Reassigned Medicare billing, California enrollment
179 clinicians in this Medicare group

NPI 1245105733 (209) 733-9360

Camarena Health

31 mi

Federally Qualified Health Center (FQHC)

300 PROSPERITY BLVD
Chowchilla, CA 93610

Reassigned Medicare billing, California enrollment
142 clinicians in this Medicare group

NPI 1447309885 (559) 664-4000

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 95334 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

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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 20

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

MARIANA GUMM ASW

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