NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lisa Ann Hamaker, CRNP

Family Nurse Practitioner in Lebanon, PA · enumerated 2017 · practices at Wellspan Medical Group.

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

National Provider Identifier

1255841276

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Lisa Ann Hamaker
Credential CRNP
Sex Female
Practice address 845 Helen Dr, Lebanon, PA, 17042
Phone (717) 273-8835
Fax (717) 202-0100
Enumeration date Oct 4, 2017
Last updated in NPPES Feb 15, 2022

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP018110 (PA) Primary

Other identifiers

Identifier Type State Issuer
103459982 Medicaid PA -
14311531 Other - CAQH

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 Lisa Hamaker?
The National Provider Identifier (NPI) for Lisa Hamaker is 1255841276, a Type 1 (individual) record in the CMS NPPES registry.
Where does Lisa Hamaker practice?
The practice location on file with NPPES is in Lebanon, PA. 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 2022-02-15.