Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SANDRA ISABEL CASTILLO ALLEN FNP-C
NPI 1235058587
Nurse Practitioner - Family in Santa Rosa Beach, FL

Q: What is Sandra Castillo Allen's NPI number?

The NPI number for Sandra Castillo Allen is 1235058587. It was assigned to this individual provider in the NPPES registry on July 13, 2026.

Q: What is Sandra Castillo Allen's specialty?

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

Active since July 13, 2026

3906 US HIGHWAY 98 W # 1522, SANTA ROSA BEACH, FL 32459(850) 308-0867(850) 509-1764 Get Directions Write a Review

NPPES record last updated: October 30, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 30, 2026, Aug 12, 2026, Jul 13, 2026 (3 updates tracked since 2026).

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About Sandra Isabel Castillo Allen Fnp-c NPPES

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

SANDRA ISABEL CASTILLO ALLEN FNP-C (NPI 1235058587) is an individual family provider in Santa Rosa Beach, Florida, licensed in Florida (APRN11049431) and active in the NPI registry since July 2026. She maintains a secondary practice location in Santa Rosa Beach.

NPPES Registry Identity

NPI1235058587

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameSANDRA ISABEL CASTILLO ALLENCredential: FNP-C

Location Address3906 US HIGHWAY 98 W # 1522Santa Rosa Beach, FL 32459-4026

Mailing Address139 Golden Eagle CtSanta Rosa Beach, FL 32459-8314

Phone(850) 308-0867

Fax(850) 509-1764

Sole ProprietorNo

Enumeration DateJuly 13, 2026

Last NPPES UpdateOctober 30, 20263 updates tracked since enumeration

NPPES CertifiedOctober 30, 2026

✔ NPI 1235058587 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 FL · APRN11049431

3906 US HIGHWAY 98 W # 1522, Santa Rosa Beach, FL 32459

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Secondary Practice Location 1

Location 12050 W County Highway 30A Ste M1-214Santa Rosa Beach, FL 32459-0187 · Phone (850) 308-0867 · Fax (850) 509-1764

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 Sandra Castillo Allen's NPI number?

The NPI number for Sandra Castillo Allen is 1235058587. It was assigned to this individual provider in the NPPES registry on July 13, 2026.

Where is Sandra Castillo Allen located?

Sandra Castillo Allen practices at 3906 Us Highway 98 W # 1522, Santa Rosa Beach, FL 32459. The listed phone number is (850) 308-0867.

What is Sandra Castillo Allen's specialty?

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

When was this NPI record last updated?

The NPPES record for Sandra Castillo Allen was last updated on October 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.