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

PHYLLIS J HERZING
NPI 1164343299
Nurse Practitioner in Elizabethtown, PA

Active since July 23, 2026
99 MASONIC DR, ELIZABETHTOWN, PA 17022(240) 425-2020 Get Directions Write a Review

NPPES record added: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 1, 2026, Jul 23, 2026 (2 updates tracked since 2026).

About Phyllis J Herzing NPPES

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

PHYLLIS J HERZING (NPI 1164343299) is an individual nurse practitioner in Elizabethtown, Pennsylvania, licensed in Pennsylvania (SP036452) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1164343299
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NamePHYLLIS J HERZING
Location Address99 MASONIC DRElizabethtown, PA 17022-2573
Mailing Address500 University Dr, Mc A410Hershey, PA 17033-2360 · (800) 243-1455
Sole ProprietorNo
Enumeration DateJuly 23, 2026
Last NPPES UpdateSeptember 1, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1164343299 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in PA · SP036452
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License SP036452 (PA)
99 MASONIC DR, Elizabethtown, PA 17022

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
99 MASONIC DR
ELIZABETHTOWN, PA 17022
Family Medicine
99 MASONIC DR, SUITE 101
ELIZABETHTOWN, PA 17022
Family Medicine
99 MASONIC DR, SUITE 101
ELIZABETHTOWN, PA 17022
Pharmacist (Geriatric)
99 MASONIC DR
ELIZABETHTOWN, PA 17022
Pharmacist
99 MASONIC DR
ELIZABETHTOWN, PA 17022

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 Phyllis Herzing's NPI number?

The NPI number for Phyllis Herzing is 1164343299. It was assigned to this individual provider in the NPPES registry on July 23, 2026.

Where is Phyllis Herzing located?

Phyllis Herzing practices at 99 Masonic Dr, Elizabethtown, PA 17022. The listed phone number is (240) 425-2020.

What is Phyllis Herzing's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Phyllis Herzing was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.