Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Marc J. Demarco
Optician in Fairport, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1134160237
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Registry record
Entity type Individual (Type 1)
Name Mr. Marc J. Demarco
Sex Male
Practice address 1157 Fairport Rd., Suite 201, Fairport, NY, 14450
Phone (585) 586-9900
Fax (585) 586-7700
Enumeration date Jun 9, 2006
Last updated in NPPES Mar 4, 2009
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 260033487 | Other | NY | TAX I.D. |
| 8859 | Other | NY | EXCELLUS |
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.
Frequently asked questions
Where does Marc Demarco practice?
The practice location on file with NPPES is in Fairport, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Marc Demarco?
The National Provider Identifier (NPI) for Marc Demarco is 1134160237, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Ralph S. Viola, MD, Pllc Ophthalmology Physician · Fairport, NY NPI 1417904608 Benjamin Caruso Chiropractor · Fairport, NY NPI 1871692749 Ralph S. Viola, Pllc Eyewear Supplier · Fairport, NY NPI 1396959979 Michael Mayer General Practice Dentistry · Fairport, NY NPI 1215144696 Fairport Chiropractic Chiropractor · Fairport, NY NPI 1033575626
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-03-04.