Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Deresienski, O.D.
Optometrist in Wakefield, RI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952494759
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Registry record
Entity type Individual (Type 1)
Name Mark Deresienski
Credential O.D.
Sex Male
Practice address 20 Hampton Way, Bldg#1a, Wakefield, RI, 02879
Phone (401) 783-7009
Fax (401) 789-3909
Enumeration date Oct 2, 2006
Last updated in NPPES May 4, 2017
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 7006708 | Medicaid | RI | - |
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 Mark Deresienski practice?
The practice location on file with NPPES is in Wakefield, RI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Deresienski?
The National Provider Identifier (NPI) for Mark Deresienski is 1952494759, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Barry Wepman Ophthalmology Physician · Wakefield, RI NPI 1619060480 Nicole Fantoni Optometrist · Wakefield, RI NPI 1316030125 Kristen Burns Optometrist · Wakefield, RI NPI 1952742934 Koch Eye Associates, LLP Ophthalmology Physician · Wakefield, RI NPI 1609271642 Koch Eye Associates LLP Eyewear Supplier · Wakefield, RI NPI 1093266512
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-05-04.