NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Frank Harvey Diggs, M.S.N., APRN-BC

Family Nurse Practitioner in Baltimore, MD · enumerated 2009.

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

National Provider Identifier

1609005222

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Frank Harvey Diggs
Credential M.S.N., APRN-BC
Sex Male
Practice address 1501 Division Street, Baltimore, MD, 21217
Phone (410) 383-8300
Fax (410) 728-5241
Enumeration date Jul 2, 2009
Last updated in NPPES Jul 2, 2009

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R167480 (MD) Primary

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 Frank Diggs?
The National Provider Identifier (NPI) for Frank Diggs is 1609005222, a Type 1 (individual) record in the CMS NPPES registry.
Where does Frank Diggs practice?
The practice location on file with NPPES is in Baltimore, MD. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-07-02.