Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Carl D Marshall, LICENSED OPTICIAN
Optician in Sharon, CT · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1912026402
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Registry record
Entity type Individual (Type 1)
Name Mr. Carl D Marshall
Credential LICENSED OPTICIAN
Sex Male
Practice address 26 Hospital Hill Rd, Sharon, CT, 06069
Phone (860) 364-0878
Fax (860) 364-2284
Enumeration date Mar 28, 2007
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 100000691CT03 | Other | CT | ANTHEM BC BS |
| 13392 | Other | UT | SPECTERA |
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
What is the NPI number for Carl Marshall?
The National Provider Identifier (NPI) for Carl Marshall is 1912026402, a Type 1 (individual) record in the CMS NPPES registry.
Where does Carl Marshall practice?
The practice location on file with NPPES is in Sharon, CT. 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 2007-07-08.