NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Harford Primary Care LLC

Family Medicine Physician in Forest Hill, MD · enumerated 2024 · authorized official Marcus Priolo, Ao.

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

National Provider Identifier

1629838255

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Harford Primary Care LLC
Practice address 1 Colgate Dr, Forest Hill, MD, 21050
Enumeration date Mar 20, 2024
Last updated in NPPES Mar 20, 2024

Taxonomy & classification

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Marcus Priolo
Title Ao

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

Who is the authorized official for Harford Primary Care LLC?
NPPES lists Marcus Priolo (Ao) as the authorized official for this organization.
What is the NPI number for Harford Primary Care LLC?
The NPI for Harford Primary Care LLC is 1629838255, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-20.