Mark Osenieks, DDS
NPI 1912062902 · Dentist · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Osenieks, DDS is a Dentist provider in Grand Rapids, MI (NPI 1912062902).
Provider details
- NPI number
- 1912062902
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 2901016297 (MI)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-12-27
- Last updated
- 2020-06-22
- Certified
- 2020-06-22
Frequently asked questions
- What is Mark Osenieks's NPI number?
- Mark Osenieks's National Provider Identifier (NPI) is 1912062902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Osenieks's specialty?
- Mark Osenieks is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Mark Osenieks located?
- Mark Osenieks's practice location on file with NPPES is O-11225 Tallmadge Woods Dr Nw, Grand Rapids, MI 49534-6313.
- What is Mark Osenieks's phone number?
- The practice phone number listed in the NPPES registry for Mark Osenieks is (616) 453-0002.
- Does Mark Osenieks accept Medicare?
- Mark Osenieks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Osenieks's NPI active?
- Yes — Mark Osenieks's NPI (1912062902) is active in the NPPES registry as of the last update on 2020-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.