IndividualActive
Madelyn Koistinen
NPI 1629894118 · Registered Nurse · Watertown, SD
Madelyn Koistinen is a Registered Nurse provider in Watertown, SD (NPI 1629894118).
Provider details
- NPI number
- 1629894118
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- R054703 (SD)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
401 9th Ave Nw
Watertown, SD 57201-1548
Phone: (605) 882-7000
Street-level locationGet directions
Mailing address
46340 192nd St
Estelline, SD 57234-6025
Registry dates
- Enumerated
- 2024-11-29
- Last updated
- 2024-11-29
- Certified
- 2024-11-29
Frequently asked questions
- What is Madelyn Koistinen's NPI number?
- Madelyn Koistinen's National Provider Identifier (NPI) is 1629894118, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madelyn Koistinen's specialty?
- Madelyn Koistinen is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Madelyn Koistinen located?
- Madelyn Koistinen's practice location on file with NPPES is 401 9th Ave Nw, Watertown, SD 57201-1548.
- What is Madelyn Koistinen's phone number?
- The practice phone number listed in the NPPES registry for Madelyn Koistinen is (605) 882-7000.
- Is Madelyn Koistinen's NPI active?
- Yes — Madelyn Koistinen's NPI (1629894118) is active in the NPPES registry as of the last update on 2024-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.