Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mary Kay Conover-Walker, C.R.N.P.

Nurse Practitioner in Hunt Valley, MD · enumerated 2006.

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

National Provider Identifier

1780630228

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Mary Kay Conover-Walker

Credential C.R.N.P.

Sex Female

Practice address 250 Shilling Circle, Health Center, Hunt Valley, MD, 21120

Phone (410) 773-6550

Fax (410) 773-6201

Enumeration date May 26, 2006

Last updated in NPPES Mar 29, 2019

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R062679 (MD) Primary

Other identifiers

Identifier	Type	State	Issuer
407469600	Medicaid	MD	-

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 is the NPI number for Mary Conover-Walker?

The National Provider Identifier (NPI) for Mary Conover-Walker is 1780630228, a Type 1 (individual) record in the CMS NPPES registry.

Where does Mary Conover-Walker practice?

The practice location on file with NPPES is in Hunt Valley, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-29.