MARK GRINZINGER DDS, MD
NPI 1376923623
Dentist - Oral and Maxillofacial Surgery in Grand Rapids, MI
About Mark Grinzinger Dds, Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK GRINZINGER DDS, MD (NPI 1376923623) is an individual oral and maxillofacial surgery provider in Grand Rapids, Michigan, licensed in Michigan (2901021497) and active in the NPI registry since June 2015. He has opted out of Medicare through January 1, 2028.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Mark Grinzinger Dds, Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
GRAND RAPIDS, MI 49525
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Grinzinger's NPI number?
The NPI number for Mark Grinzinger is 1376923623. It was assigned to this individual provider in the NPPES registry on June 2, 2015.
Where is Mark Grinzinger located?
Mark Grinzinger practices at 4349 Sawkaw Dr NE, Grand Rapids, MI 49525. The listed phone number is (586) 576-4140.
What is Mark Grinzinger's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.
Is Mark Grinzinger enrolled in Medicare?
No. Mark Grinzinger has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.
What insurance does Mark Grinzinger accept?
Health plans from BEST Life, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 7 other insurers list Mark Grinzinger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Grinzinger was last updated on June 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark Grinzinger, DDS, MD · NPI 1376923623
Oral and Maxillofacial Surgery provider in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since June 2, 2015.
## Identity
- **NPI:** 1376923623 (Entity type: Individual)
- **Enumerated:** June 2, 2015
- **Primary specialty:** Dentist - Oral and Maxillofacial Surgery · taxonomy 1223S0112X
- **State license:** 2901021497 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4349 SAWKAW DR NE, Grand Rapids, MI 49525-1768
- **Phone:** (586) 576-4140
## Medicare
- **Medicare:** Opted out of Medicare (opt-out affidavit on file, in effect through January 1, 2028); services are provided under private contract
## Record status
- **NPPES last updated:** June 21, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1376923623) · Data from the CMS NPPES public registry.