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Nurse Practitioner

Natalie R. Castillo, NP

Works at hospitals in Clearlake, CA · Chico, CA · Oroville, CA … · California, Tennessee

Summary

Natalie R. Castillo, NP (Nurse Practitioner) is listed by Medicare at 5 hospitals in Clearlake, CA, Chico, CA and Oroville, CA and other places. NPI 1427555754. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Natalie R. Castillo, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
9Years since medical school (graduated 2017)
FemaleGender (as listed)
Vanderbilt University Medical CenterGroup practice

Quick answers

Which hospitals does Natalie R. Castillo work at?
Medicare's official clinician data lists Natalie R. Castillo at 5 hospitals: Adventist Health Clearlake, Enloe Health, Oroville Hospital, Vanderbilt University Medical Center and Vanderbilt Wilson County Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Natalie R. Castillo see patients?
Medicare's clinician data lists 2 practice locations, including Nashville, TN. Call before your visit to confirm the address.
What is Natalie R. Castillo's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Natalie R. Castillo accept Medicare assignment?
Yes. Medicare's clinician data says Natalie R. Castillo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Natalie R. Castillo offer telehealth?
Medicare's clinician data says Natalie R. Castillo offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Natalie R. Castillo?
(615) 322-5000, as listed in official Medicare / NPI Registry data.
What is Natalie R. Castillo's NPI number?
1427555754. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Natalie R. Castillo works

Medicare's Facility Affiliation Data lists Natalie R. Castillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Natalie R. Castillo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Natalie R. Castillo as a member of this group (CMS data updated 2026-10-02).

  • Vanderbilt University Medical Center3,567 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Tennessee →

Other nurse practitioners in Nashville

Clinicians with the same Medicare primary specialty in Nashville, TN — not a recommendation.

All nurse practitioners in Nashville →

Clinician information

CredentialNP
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427555754
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians