Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Mark J Rajewski, D.D.S.
Dentist in Baldwin, MI · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1740539873
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Registry record
Entity type Individual (Type 1)
Name Dr. Mark J Rajewski
Credential D.D.S.
Sex Male
Practice address 1615 Michigan Ave, Baldwin, MI, 49304
Phone (231) 745-2743
Enumeration date Sep 5, 2012
Last updated in NPPES Oct 3, 2013
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS credential
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 Rajewski practice?
The practice location on file with NPPES is in Baldwin, MI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Mark Rajewski?
The National Provider Identifier (NPI) for Mark Rajewski is 1740539873, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Daniel Gilligan Family Medicine Physician · Baldwin, MI NPI 1457321598 Jessica Rickert General Practice Dentistry · Baldwin, MI NPI 1871553321 Eric Weeks Family Medicine Physician · Baldwin, MI NPI 1912960543 Denise Tinkham Counselor · Baldwin, MI NPI 1750317277 Donald French Dentist · Baldwin, MI NPI 1689609992 Baldwin Family Health Care Federally Qualified Health Center (FQHC) · Baldwin, MI NPI 1689783698 Baldwin Family Health Care Federally Qualified Health Center (FQHC) · Baldwin, MI NPI 1508961749 Rebecca Ganzow-Fortier Physician Assistant · Baldwin, MI NPI 1194812180
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-03.