THERESA MARIE JOHNSTON (NP) – Family Nurse Practitioner, NPI 1235124306

Family Nurse Practitioner

THERESA MARIE JOHNSTON (NP) is a healthcare provider. based in Middletown, Delaware. specializing in Family Nurse Practitioner. They hold the professional credentials NP. They hold a License No. LG-0000161 (DE). The NPI Number for THERESA MARIE JOHNSTON (NP) is 1235124306

Main info

Female

30 Years Of Experience

Accepts Medicare Assignment

Name

THERESA MARIE JOHNSTON (NP)

NPI

1235124306

Phone

(302) 834-0741

Address

123 NETHERLANDS DR

Enumeration Date

15 September 2005

Last Update Date

8 July 2007

Doctor Profile

Medical School Name

OTHER

Secondary Phone

3026234370

Graduation Year

1996 (30 years ago)

PAC ID

1254689078

Group Practice PAC ID

9739097569

Professional Enrollment ID

I20180809004964

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience54

Completeness75

Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for THERESA MARIE JOHNSTON (NP)

123 NETHERLANDS DR
MIDDLETOWN, DE 197099679
Phone: (302) 834-0741
Type: Mailing
4745 OGLETOWN STANTON RD
MEDICAL ARTS PAVILLION 1 SUITE 136
NEWARK, DE 197132067
Phone: (302) 733-2387
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 19709)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 9739097569View full group profile

Name	Specialty	State
KATHY ELAINE GALLAGHER (APN)	-	DE
MICHAELA T. RIORDAN	-	DE
PAUL C ANDERSON (MD)	-	DE
DR. ANITA OTT (DO)	-	PA
DR. AZITA RAVANBAKHSH (M.D)	Internal Medicine	DE
CHRISTINE M. KOENIGBAUER (PA-C)	Physician Assistant	DE
AMY SUSAN BLAKE (FNP-BC)	Nurse Practitioner	PA
DR. FAUZIA KHALID BUTT (MD)	General Surgery	IL
DR. THOMAS KAYSEE CHACKO (M.D.)	Diagnostic Radiology	NY
DR. DINESH KOMMAREDDY (MD)	Internal Medicine	NY

Reviews

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Frequently asked questions

What is THERESA MARIE JOHNSTON (NP)'s NPI number?

THERESA MARIE JOHNSTON (NP)'s NPI is 1235124306 — the number used across U.S. healthcare to identify this provider.

Is there an active status for THERESA MARIE JOHNSTON (NP)?

For scheduling context, THERESA MARIE JOHNSTON (NP) is shown as active in the registry.

How would a patient describe THERESA MARIE JOHNSTON (NP)'s focus?

For THERESA MARIE JOHNSTON (NP), the primary taxonomy reads as Family Nurse Practitioner. Clinical services aligned with this taxonomy classification.

What locale is associated with THERESA MARIE JOHNSTON (NP)?

Directory geography for THERESA MARIE JOHNSTON (NP) centers on Middletown, Delaware.

What does 2 location(s) imply?

2 practice locations appear in the available data.