Sheryl Marckstadt, CNP
NPI 1487658837 · Family Nurse Practitioner · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheryl Marckstadt, CNP is a Family Nurse Practitioner provider in Sioux Falls, SD (NPI 1487658837).
Provider details
- NPI number
- 1487658837
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 0312 (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
21 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
- 2005-06-13
- Last updated
- 2022-04-18
- Certified
- 2022-04-18
Frequently asked questions
- What is Sheryl Marckstadt's NPI number?
- Sheryl Marckstadt's National Provider Identifier (NPI) is 1487658837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheryl Marckstadt's specialty?
- Sheryl Marckstadt is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sheryl Marckstadt located?
- Sheryl Marckstadt's practice location on file with NPPES is 5027 S Bur Oak Pl, Sioux Falls, SD 57108-2228.
- What is Sheryl Marckstadt's phone number?
- The practice phone number listed in the NPPES registry for Sheryl Marckstadt is (605) 271-9000.
- Does Sheryl Marckstadt accept Medicare?
- Sheryl Marckstadt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheryl Marckstadt's NPI active?
- Yes — Sheryl Marckstadt's NPI (1487658837) is active in the NPPES registry as of the last update on 2022-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.