Mark Kosten, NP
NPI 1366799397 · Nurse Practitioner · Wyoming, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kosten, NP is a Nurse Practitioner provider in Wyoming, MI (NPI 1366799397).
Provider details
- NPI number
- 1366799397
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 4704233048 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-08-09
- Last updated
- 2017-12-08
Frequently asked questions
- What is Mark Kosten's NPI number?
- Mark Kosten's National Provider Identifier (NPI) is 1366799397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kosten's specialty?
- Mark Kosten is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Kosten located?
- Mark Kosten's practice location on file with NPPES is 2122 Health Dr Sw, Wyoming, MI 49519-9698.
- What is Mark Kosten's phone number?
- The practice phone number listed in the NPPES registry for Mark Kosten is (616) 252-8403.
- Does Mark Kosten accept Medicare?
- Mark Kosten is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kosten's NPI active?
- Yes — Mark Kosten's NPI (1366799397) is active in the NPPES registry as of the last update on 2017-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.