Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark J Cook, O.D.
Optometrist in Brighton, MI · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1205824711
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Mark J Cook
Credential O.D.
Sex Male
Practice address 420 E Grand River Ave, Brighton, MI, 48116
Phone (810) 227-2004
Fax (810) 227-1262
Enumeration date Oct 10, 2005
Last updated in NPPES Mar 20, 2013
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 |
|---|---|---|---|
| 945069212 | Medicaid | MI | - |
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 Cook practice?
The practice location on file with NPPES is in Brighton, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Cook?
The National Provider Identifier (NPI) for Mark Cook is 1205824711, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-03-20.