NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

John J Marcin & Associates PA

Optometrist in Melbourne, FL · enumerated 2006 · authorized official John Marcin, President.

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

National Provider Identifier

1821184870

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name John J Marcin & Associates PA
Practice address 2330 N Wickham Rd, Suite 2, Melbourne, FL, 32935
Fax (321) 253-1277
Enumeration date Oct 5, 2006
Last updated in NPPES Oct 16, 2008

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers · License OPC2193 Primary

Authorized official

Name John Marcin
Title President

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 John J Marcin & Associates PA?
The NPI for John J Marcin & Associates PA is 1821184870, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for John J Marcin & Associates PA?
NPPES lists John Marcin (President) as the authorized official for this organization.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-10-16.