Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Edwin Walker, MD, MSPH

Child & Adolescent Psychiatry Physician in Newark, DE · enumerated 2005 · practices at Dean A Aman, Lpcmh, LLC.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1861492134

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Registry record

Entity type Individual (Type 1)

Name Edwin Walker

Credential MD, MSPH

Sex Male

Practice address Newark, DE, 19702

Phone (302) 533-7582

Fax (302) 533-7584

Enumeration date Jul 28, 2005

Last updated in NPPES Mar 18, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License 22890 (KY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Edwin Walker?

Edwin Walker is registered in NPPES with the primary taxonomy of Child & Adolescent Psychiatry Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Dean A Aman, Lpcmh, LLC Professional Counselor · Newark, DE NPI 1124429055

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-03-18.