Mark Steil, PAC
NPI 1043292204 · Physician Assistant · Yankton, SD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Steil, PAC is a Physician Assistant provider in Yankton, SD (NPI 1043292204).
Provider details
- NPI number
- 1043292204
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Male
- Sole proprietor
- No
- License
- 0198 (SD)
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
20 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
- 2005-11-15
- Last updated
- 2013-08-20
Frequently asked questions
- What is Mark Steil's NPI number?
- Mark Steil's National Provider Identifier (NPI) is 1043292204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Steil's specialty?
- Mark Steil is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mark Steil located?
- Mark Steil's practice location on file with NPPES is 1028 Walnut St, Yankton, SD 57078-2910.
- What is Mark Steil's phone number?
- The practice phone number listed in the NPPES registry for Mark Steil is (605) 665-4606.
- Does Mark Steil accept Medicare?
- Mark Steil is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Steil's NPI active?
- Yes — Mark Steil's NPI (1043292204) is active in the NPPES registry as of the last update on 2013-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.