Mark Ash DDS
About this NPIWhat this record shows.
NPI 1164045738 is registered to Mark Ash DDS, a Oral and Maxillofacial Surgery (Dentist) practising at 3617 W Arrowhead Rd in Duluth, Minnesota. Oral and Maxillofacial Surgery (Dentist) is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mark Ash DDS has been enumerated in the National Provider Identifier (NPI) registry since 2020.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20250807001932Oral SurgeryMN
- I20250822000663Oral SurgeryWI
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Mark Ash DDS accepts. To confirm in-network status with your specific health plan, contact Mark Ash DDS directly at (218) 722-8377.
Frequently asked
Yes. NPI 1164045738 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Oral and Maxillofacial Surgery (Dentist) is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (218) 722-8377.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Mark Ash DDS is a Type-1 individual NPI.