NPI Portal NPI Lookup & Verification

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

Benjamin D Maas, CNP

Acute Care Nurse Practitioner in Lima, OH · enumerated 2022 · practices at Lima Memorial Professional Corporation.

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

National Provider Identifier

1689323180

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Benjamin D Maas
Credential CNP
Sex Male
Practice address Lima, OH, 45804
Fax (419) 226-8323
Enumeration date Mar 22, 2022
Last updated in NPPES Mar 22, 2022

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

Taxonomy & licenses

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License APRN.CNP.0031008 (OH) 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 Benjamin Maas?
The National Provider Identifier (NPI) for Benjamin Maas is 1689323180, a Type 1 (individual) record in the CMS NPPES registry.
Where does Benjamin Maas practice?
The practice location on file with NPPES is in Lima, OH. 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 2022-03-22.