NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew Alan Geer, CRNP

Psychiatric/Mental Health Nurse Practitioner in Allentown, PA · enumerated 2019.

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

National Provider Identifier

1811548720

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Matthew Alan Geer
Credential CRNP
Sex Male
Practice address 38 N 4th St, Allentown, PA, 18102
Phone (610) 782-3134
Enumeration date Sep 23, 2019
Last updated in NPPES Sep 23, 2019

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP020834 (PA) 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 Matthew Geer?
The National Provider Identifier (NPI) for Matthew Geer is 1811548720, a Type 1 (individual) record in the CMS NPPES registry.
Where does Matthew Geer practice?
The practice location on file with NPPES is in Allentown, 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 2019-09-23.