Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anna Juliette Esser, RN, BSN

Psychiatric/Mental Health Nurse Practitioner in Allentown, PA · enumerated 2017.

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

National Provider Identifier

1003336116

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Registry record

Entity type Individual (Type 1)

Name Anna Juliette Esser

Credential RN, BSN

Sex Female

Practice address 1251 S Cedar Crest Blvd Ste 202a, Allentown, PA, 18103

Phone (610) 402-5766

Enumeration date Jun 21, 2017

Last updated in NPPES Mar 12, 2021

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN626856 (PA) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP018268 (PA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 specialty is Anna Esser?

Anna Esser is registered in NPPES with the primary taxonomy of Psychiatric/Mental Health Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-12.