Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Shelly Miller Tat, ACNP, MHA

Q: What is the NPI number for Shelly Tat?

The National Provider Identifier (NPI) for Shelly Tat is 1689667636, a Type 1 (individual) record in the CMS NPPES registry.

Acute Care Nurse Practitioner in Huntington Beach, CA · enumerated 2005 · practices at Landmark Connect of California PC.

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

National Provider Identifier

1689667636

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Registry record

Entity type Individual (Type 1)

Name Shelly Miller Tat

Credential ACNP, MHA

Sex Female

Practice address 7755 Center Ave Ste 630, Huntington Beach, CA, 92647

Phone (657) 204-3953

Fax (844) 698-7227

Enumeration date Aug 24, 2005

Last updated in NPPES Mar 17, 2018

Taxonomy & licenses

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN133463 (AZ) Secondary

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 11304 (CA) Primary

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

What is the NPI number for Shelly Tat?

The National Provider Identifier (NPI) for Shelly Tat is 1689667636, a Type 1 (individual) record in the CMS NPPES registry.

Where does Shelly Tat practice?

The practice location on file with NPPES is in Huntington Beach, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

John Broderick Emergency Medicine Physician · Huntington Beach, CA NPI 1588666424 Scott Mancuso Internal Medicine Physician · Huntington Beach, CA NPI 1962497024 Michael Le Internal Medicine Physician · Huntington Beach, CA NPI 1750332409 Pamela Sullivan Internal Medicine Physician · Huntington Beach, CA NPI 1326191107 Landmark Connect of California PC General Practice Physician · Huntington Beach, CA NPI 1063910172 Yliana Penalosa Family Nurse Practitioner · Huntington Beach, CA NPI 1053980052 Marisa Bowers Primary Care Nurse Practitioner · Huntington Beach, CA NPI 1487308235 Jennifer Khoshafian Nurse Practitioner · Huntington Beach, CA NPI 1295567592

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-03-17.