Janell Simpkins, MD
NPI 1619989605 · Internal Medicine Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janell Simpkins, MD is a Internal Medicine Physician provider in Sioux Falls, SD (NPI 1619989605).
Provider details
- NPI number
- 1619989605
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 3812 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 5019 S Western Ave Ste 200Sioux Falls, SD 57108-5155Phone: (605) 328-9700
Registry dates
- Enumerated
- 2006-08-11
- Last updated
- 2019-10-17
Frequently asked questions
- What is Janell Simpkins's NPI number?
- Janell Simpkins's National Provider Identifier (NPI) is 1619989605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janell Simpkins's specialty?
- Janell Simpkins is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janell Simpkins located?
- Janell Simpkins's practice location on file with NPPES is 4500 N Lewis Ave, Sioux Falls, SD 57104.
- What is Janell Simpkins's phone number?
- The practice phone number listed in the NPPES registry for Janell Simpkins is (605) 322-5313.
- Does Janell Simpkins accept Medicare?
- Janell Simpkins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janell Simpkins's NPI active?
- Yes — Janell Simpkins's NPI (1619989605) is active in the NPPES registry as of the last update on 2019-10-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.