NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jill Lauren Diemer, PA

Physician Assistant in North Babylon, NY · enumerated 2006 · practices at Long Island Comprehensive Medical Care Pllc.

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

National Provider Identifier

1700973666

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Jill Lauren Diemer
Credential PA
Sex Female
Practice address 1231 Deer Park Ave, North Babylon, NY, 11703
Fax (631) 968-7705
Enumeration date Oct 10, 2006
Last updated in NPPES Jan 3, 2025

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 011381 (NY) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

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 Jill Diemer?
The National Provider Identifier (NPI) for Jill Diemer is 1700973666, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jill Diemer practice?
The practice location on file with NPPES is in North Babylon, NY. 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 2025-01-03.