Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Sierra Joy Santellana, PA-C

Physician Assistant in Houston, TX · enumerated 2013.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1245578046

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Registry record

Entity type Individual (Type 1)

Name Mrs. Sierra Joy Santellana

Credential PA-C

Sex Female

Practice address 1201 Fannin St Ste 262, Houston, TX, 77002

Phone (866) 849-0692

Fax (888) 973-8821

Enumeration date Jan 29, 2013

Last updated in NPPES May 22, 2026

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA.0009841 (CO) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA01006 (MS) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 13777 (GA) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA.2867 (AL) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 3448 (NE) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA08309 (TX) Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 2026001876 (MO) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 6903 (TN) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 2867 (AL) Secondary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Sierra Santellana's NPI record?

Cross-check NPI 1245578046 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1245578046 active?

Yes, as of the latest NPPES snapshot, NPI 1245578046 is active (record last updated 2026-05-22).

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Aval Na Ree Green Geriatric Medicine (Internal Medicine) Physician · Houston, TX NPI 1932314846 Purvi Patel Family Nurse Practitioner · Houston, TX NPI 1154653871 Helen Shipp Family Nurse Practitioner · Houston, TX NPI 1679873327 Claire Campbell Geriatric Medicine (Internal Medicine) Physician · Houston, TX NPI 1477842094 Julia Robinson Family Nurse Practitioner · Houston, TX NPI 1962763151 Abiola Fadayomi Nurse Practitioner · Houston, TX NPI 1457607129 Marlisa Trevino Family Nurse Practitioner · Houston, TX NPI 1992113930 Amanda Monteiro Adult Health Nurse Practitioner · Houston, TX NPI 1679977490

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-22.