MELISSA LEON SIERRA
NPI 1770193146
Rehabilitation Practitioner in Campbell, CA

Q: What is Melissa Leon Sierra's NPI number?

The NPI number for Melissa Leon Sierra is 1770193146. It was assigned to this individual provider in the NPPES registry on July 31, 2020.

Q: What is Melissa Leon Sierra's specialty?

The primary specialty registered for this NPI is Rehabilitation Practitioner with taxonomy code 225400000X.

Active since July 31, 2020

251 LLEWELLYN AVE, CAMPBELL, CA 95008(408) 379-3790 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 3, 2025, Jul 12, 2023, Aug 25, 2022 and 1 more (4 updates tracked since 2020).

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About Melissa Leon Sierra NPPES

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

MELISSA LEON SIERRA (NPI 1770193146) is an individual rehabilitation practitioner in Campbell, California and active in the NPI registry since July 2020. She maintains a secondary practice location in San Jose.

NPPES Registry Identity

NPI1770193146

Entity TypeIndividualFemale

Primary Taxonomy225400000X

Provider Legal NameMELISSA LEON SIERRA

Location Address251 LLEWELLYN AVECampbell, CA 95008-1940

Mailing Address251 Llewellyn AveCampbell, CA 95008-1940 · (408) 379-3790

Phone(408) 379-3790

Sole ProprietorNo

Enumeration DateJuly 31, 2020

Last NPPES UpdateFebruary 10, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 10, 2026

✔ NPI 1770193146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyRehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Taxonomy Code225400000X

Definition

A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.

Also ListedBehavior AnalystTaxonomy 103K00000X

Also ListedHealth and Wellness CoachTaxonomy 171400000X · License 6CB8BAA130 (CA)

Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X

Also ListedCommunity Health WorkerTaxonomy 172V00000X

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

251 LLEWELLYN AVE, Campbell, CA 95008

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Secondary Practice Location 1

Location 12146 Pacina DrSan Jose, CA 95116-3647 · Phone (408) 981-9714

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.

MICHAEL CASTOR

Case Manager/Care Coordinator