Mark Ellis, DDS
NPI 1154655082 · Dentist · Cass Lake, MN
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ellis, DDS is a Dentist provider in Cass Lake, MN (NPI 1154655082).
Provider details
- NPI number
- 1154655082
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 0025030 (TX)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-09-24
- Last updated
- 2009-10-26
Frequently asked questions
- What is Mark Ellis's NPI number?
- Mark Ellis's National Provider Identifier (NPI) is 1154655082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ellis's specialty?
- Mark Ellis is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Mark Ellis located?
- Mark Ellis's practice location on file with NPPES is 425 7th St Nw, Cass Lake, MN 56633-3360.
- What is Mark Ellis's phone number?
- The practice phone number listed in the NPPES registry for Mark Ellis is (218) 335-3230.
- Does Mark Ellis accept Medicare?
- Mark Ellis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ellis's NPI active?
- Yes — Mark Ellis's NPI (1154655082) is active in the NPPES registry as of the last update on 2009-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.