MARIENELLE ROMERO DEL CASTILLO OT
NPI 1740127000
Occupational Therapist in Jacksonville, FL

Active since May 04, 2026
4500 SAN PABLO RD S, JACKSONVILLE, FL 32224(904) 953-2000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 13, 2026, May 4, 2026 (2 updates tracked since 2026).

About Marienelle Romero Del Castillo Ot NPPES

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

MARIENELLE ROMERO DEL CASTILLO OT (NPI 1740127000) is an individual occupational therapist in Jacksonville, Florida, licensed in Florida (OT25050) and active in the NPI registry since May 2026. She is a graduate of Other (2023).

NPPES Registry Identity

NPI1740127000
Entity TypeIndividualFemale
Primary Taxonomy225X00000X
Provider Legal NameMARIENELLE ROMERO DEL CASTILLOCredential: OT
Location Address4500 SAN PABLO RD SJacksonville, FL 32224-1865
Mailing Address4500 San Pablo Rd SJacksonville, FL 32224-1865
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 4, 2026
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1740127000 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOccupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225X00000X
License✔ Licensed in FL · OT25050
Definition
An occupational therapist is a person who has graduated from an entry-level occupational therapy program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, or approved by the World Federation of Occupational Therapists (WFOT), or an equivalent international occupational therapy education program; has successfully completed a period of supervised fieldwork experience required by the occupational therapy program; has passed a nationally recognized entry-level examination for occupational therapists, and fulfills state requirements for licensure, certification, or registration. An occupational therapist provides interventions based on evaluation and which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapists address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.
4500 SAN PABLO RD S, Jacksonville, FL 32224

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marienelle Romero Del Castillo Ot is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID143785634
PECOS Enrollment IDI20260724003052

Medicare Billing Reassignment

Medicare enrollment records show Marienelle Del Castillo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Service
4500 SAN PABLO RD S
Jacksonville, FL 32224
  • Reassigned Medicare billing, Florida enrollment
  • 1,828 clinicians in this Medicare group

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

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.

Physician Assistant
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine (Gastroenterology)
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Orthopaedic Surgery
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Hospitalist
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Nurse Anesthetist, Certified Registered
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Nurse Anesthetist, Certified Registered
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Physician Assistant
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224

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 Marienelle Del Castillo's NPI number?

The NPI number for Marienelle Del Castillo is 1740127000. It was assigned to this individual provider in the NPPES registry on May 4, 2026.

Where is Marienelle Del Castillo located?

Marienelle Del Castillo practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.

What is Marienelle Del Castillo's specialty?

The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.

Is Marienelle Del Castillo enrolled in Medicare?

Yes. Marienelle Del Castillo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marienelle Del Castillo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marienelle Del Castillo reassigns Medicare benefits to Mayo Clinic Jacksonville (Jacksonville, FL). 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 Marienelle Del Castillo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marienelle Del Castillo accept?

Health plans from Sanford Health Plan list Marienelle Del Castillo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marienelle Del Castillo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.