Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

WILLIAM JOSEPH SIERRA PMHNP
NPI 1801791736
Nurse Practitioner - Psychiatric/Mental Health in Pembroke Pines, FL

Q: What is William Sierra's NPI number?

The NPI number for William Sierra is 1801791736. It was assigned to this individual provider in the NPPES registry on October 12, 2026.

Q: What is William Sierra's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for William Sierra was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since October 12, 2026

1301 N DOUGLAS RD, PEMBROKE PINES, FL 33024(305) 499-0805 Get Directions Write a Review

NPPES record added: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About William Joseph Sierra Pmhnp NPPES

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

WILLIAM JOSEPH SIERRA PMHNP (NPI 1801791736) is an individual psychiatric/mental health provider in Pembroke Pines, Florida, licensed in Florida (11051262) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1801791736

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameWILLIAM JOSEPH SIERRACredential: PMHNP

Location Address1301 N DOUGLAS RDPembroke Pines, FL 33024-4750

Mailing Address1301 N Douglas RdPembroke Pines, FL 33024-4750 · (305) 499-0805

Phone(305) 499-0805

Sole ProprietorYes

Enumeration DateOctober 12, 2026

NPPES CertifiedOctober 11, 2026

✔ NPI 1801791736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in FL · 11051262

1301 N DOUGLAS RD, Pembroke Pines, FL 33024

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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 William Sierra's NPI number?

The NPI number for William Sierra is 1801791736. It was assigned to this individual provider in the NPPES registry on October 12, 2026.

Where is William Sierra located?

William Sierra practices at 1301 N Douglas Rd, Pembroke Pines, FL 33024. The listed phone number is (305) 499-0805.

What is William Sierra's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for William Sierra was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.