ATLANTIC PSYCH ASSOCIATES, LLC
NPI 1457491656
Psychologist - Clinical in Lewes, DE

Q: What is Atlantic Psych Associates, LLC's NPI number?

The NPI number for Atlantic Psych Associates, LLC is 1457491656. It was assigned to this organization in the NPPES registry on February 7, 2007. The provider is also known as Appel & Wilson LLC.

Q: What is Atlantic Psych Associates, LLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Active since February 07, 2007

1510 SAVANNAH RD, LEWES, DE 19958(302) 448-4266(302) 448-4193 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 23, 2026, Mar 26, 2025, Feb 15, 2023 and 1 more (4 updates tracked since 2019).

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About Atlantic Psych Associates, Llc NPPES

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

ATLANTIC PSYCH ASSOCIATES, LLC (NPI 1457491656) is a healthcare organization registered as a clinical in Lewes, Delaware and active in the NPI registry since February 2007. The organization lists Mary Vaughn Moor, Owner/practitioner, as its authorized official.

NPPES Registry Identity

NPI1457491656

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameATLANTIC PSYCH ASSOCIATES, LLC

Location Address1510 SAVANNAH RDLewes, DE 19958-1624

Mailing Address1510 Savannah RdLewes, DE 19958-1624 · (302) 448-4266 · Fax (302) 448-4193

Phone(302) 448-4266

Fax(302) 448-4193

Organization SubpartNo

Authorized OfficialMary Vaughn MoorOwner/practitioner · (302) 448-4266

Enumeration DateFebruary 7, 2007

Last NPPES UpdateJuly 23, 20264 updates tracked since enumeration

NPPES CertifiedJuly 23, 2026

✔ NPI 1457491656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Also ListedPsychologistTaxonomy 103T00000X

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X

1510 SAVANNAH RD, Lewes, DE 19958

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Other Names 1

Other NameAppel & Wilson Llc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Atlantic Psych Associates, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 6 clinicians reassign Medicare billing to Atlantic Psych Associates, LLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Sarah Feist, MSW

Mental Health Counselor

NPI 1417665571

1510 SAVANNAH RD
Lewes, DE 19958

(302) 448-4266

✔ PECOS✔ Accepts MedicareSame address

Mary Vaughn Moor, PSY.D.

Clinical Psychologist

NPI 1558648519

1510 SAVANNAH RD
Lewes, DE 19958

(302) 448-4266

✔ PECOS✔ Accepts MedicareSame address

Colleen Leitner, MD

Psychiatry

NPI 1235593765

1518 SAVANNAH RD
Lewes, DE 19958

(302) 448-4266

✔ PECOS0.1 mi

Erica Winn, MA, LPCMH

Mental Health Counselor

NPI 1396215661

1518 SAVANNAH RD
Lewes, DE 19958

(609) 313-5748

✔ PECOS✔ Accepts Medicare0.1 mi

John Hayes, LACMH

Mental Health Counselor

NPI 1285086314

410 S BEDFORD ST
Georgetown, DE 19947

(302) 319-8775

✔ PECOS✔ Accepts Medicare13 mi

Jane Abiona

Nurse Practitioner

NPI 1447064951

2116 S DUPONT HWY STE 4
Camden, DE 19934

(302) 331-5291

✔ PECOS✔ Accepts Medicare32 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Atlantic Psych Associates, LLC's NPI number?

The NPI number for Atlantic Psych Associates, LLC is 1457491656. It was assigned to this organization in the NPPES registry on February 7, 2007. The provider is also known as Appel & Wilson LLC.

Where is Atlantic Psych Associates, LLC located?

Atlantic Psych Associates, LLC is located at 1510 Savannah Rd, Lewes, DE 19958. The listed phone number is (302) 448-4266.

What is Atlantic Psych Associates, LLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Atlantic Psych Associates, LLC enrolled in Medicare?

Yes. Atlantic Psych Associates, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Atlantic Psych Associates, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 4 Medicare specialties reassign their Medicare billing to Atlantic Psych Associates, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Mental Health Counselor (3), Clinical Psychologist (1) and Nurse Practitioner (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Atlantic Psych Associates, LLC accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Atlantic Psych Associates, LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Atlantic Psych Associates, LLC was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.