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

ISABELLA LYNN THEESFELD PA-C
NPI 1295647154
Physician Assistant in Newark, DE

Active since September 17, 2026
4755 OGLETOWN STANTON RD, NEWARK, DE 19718(302) 733-1000 Get Directions Write a Review

NPPES record added: September 17, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Isabella Lynn Theesfeld Pa-c NPPES

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

ISABELLA LYNN THEESFELD PA-C (NPI 1295647154) is an individual physician assistant in Newark, Delaware, licensed in Delaware (C5-0012543) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1295647154
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameISABELLA LYNN THEESFELDCredential: PA-C
Location Address4755 OGLETOWN STANTON RDNewark, DE 19718-2200
Mailing Address4755 Ogletown Stanton RdNewark, DE 19718-2200 · (302) 733-1000
Sole ProprietorNo
Enumeration DateSeptember 17, 2026
NPPES CertifiedSeptember 17, 2026
✔ NPI 1295647154 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in DE · C5-0012543
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
4755 OGLETOWN STANTON RD, Newark, DE 19718

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.

Physician Assistant (Medical)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner
4755 OGLETOWN STANTON RD, ROOM E1070 CENTER FOR HEART & VASCULAR HEALTH AT CHRIST
NEWARK, DE 19718
Emergency Medicine
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Internal Medicine (Cardiovascular Disease)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Practitioner (Acute Care)
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Student in an Organized Health Care Education/Training Program
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718
Nurse Anesthetist, Certified Registered
4755 OGLETOWN STANTON RD
NEWARK, DE 19718

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 Isabella Theesfeld's NPI number?

The NPI number for Isabella Theesfeld is 1295647154. It was assigned to this individual provider in the NPPES registry on September 17, 2026.

Where is Isabella Theesfeld located?

Isabella Theesfeld practices at 4755 Ogletown Stanton Rd, Newark, DE 19718. The listed phone number is (302) 733-1000.

What is Isabella Theesfeld's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Isabella Theesfeld was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.