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

CORNERSTONE MENTAL HEALTH
NPI 1528974177
Nurse Practitioner - Psychiatric/Mental Health in Wilmington, DE

Q: What is Cornerstone Mental Health's NPI number?

The NPI number for Cornerstone Mental Health is 1528974177. It was assigned to this organization in the NPPES registry on August 24, 2026.

Q: What is Cornerstone Mental Health's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since August 24, 2026

501 SILVERSIDE RD, WILMINGTON, DE 19809(302) 499-3927 Get Directions Write a Review

NPPES record added: August 24, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

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About Cornerstone Mental Health NPPES

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

CORNERSTONE MENTAL HEALTH (NPI 1528974177) is a healthcare organization registered as a psychiatric/mental health in Wilmington, Delaware and active in the NPI registry since August 2026. The organization lists Kerene Phillips-ross, Ceo, as its authorized official.

NPPES Registry Identity

NPI1528974177

Entity TypeOrganization

Primary Taxonomy363LP0808X

Legal Business NameCORNERSTONE MENTAL HEALTH

Location Address501 SILVERSIDE RDWilmington, DE 19809-1374

Mailing Address501 Silverside RdWilmington, DE 19809-1374 · (302) 499-3927

Phone(302) 499-3927

Organization SubpartNo

Authorized OfficialKerene Phillips-rossCeo · (302) 345-7364

Enumeration DateAugust 24, 2026

NPPES CertifiedAugust 23, 2026

✔ NPI 1528974177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

501 SILVERSIDE RD, Wilmington, DE 19809

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 10

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

LORI A FEENEY LCSW

Social Worker (Clinical)

501 SILVERSIDE RD, STE 43
WILMINGTON, DE 19809

New Castle County (484) 904-9195

SHEILA WALKER

Social Worker (Clinical)

501 SILVERSIDE RD
WILMINGTON, DE 19809

New Castle County (302) 518-7411

N-P CONSULTING

Marriage & Family Therapist

501 SILVERSIDE RD, SUITE 145
WILMINGTON, DE 19809

New Castle County (302) 384-6049

DR. ELIZABETH SUTTON MACE PSY.D.

Psychologist (Clinical)

501 SILVERSIDE RD, SUITE 145
WILMINGTON, DE 19809

New Castle County (302) 293-4920

HEART CENTERED WELLNESS

Counselor (Professional)

501 SILVERSIDE RD
WILMINGTON, DE 19809

New Castle County (302) 791-9502

MR. ABAYOMI OBABUNMI ADEBOWALE MS, LPCMH, NCC

Counselor (Mental Health)

501 SILVERSIDE RD, SUITE # 74
WILMINGTON, DE 19809

New Castle County (302) 377-6225

DR. KATHLEEN MARIE RUPERTUS PSYD

Psychologist (Cognitive & Behavioral)

501 SILVERSIDE RD, SUITE 145
WILMINGTON, DE 19809

New Castle County (302) 388-7515

CARE FOR ME HOME CARE SERVICES LLC

Home Health

501 SILVERSIDE RD, STE 19
WILMINGTON, DE 19809

New Castle County (215) 341-1020

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 Cornerstone Mental Health's NPI number?

The NPI number for Cornerstone Mental Health is 1528974177. It was assigned to this organization in the NPPES registry on August 24, 2026.

Where is Cornerstone Mental Health located?

Cornerstone Mental Health is located at 501 Silverside Rd, Wilmington, DE 19809. The listed phone number is (302) 499-3927.

What is Cornerstone Mental Health's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Cornerstone Mental Health was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.