Stephen Nanton, M.D.
NPI 1770559007 · Pediatric Gastroenterology Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Nanton, M.D. is a Pediatric Gastroenterology Physician provider in Sioux Falls, SD (NPI 1770559007).
Provider details
- NPI number
- 1770559007
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5614 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2018-10-16
Frequently asked questions
- What is Stephen Nanton's NPI number?
- Stephen Nanton's National Provider Identifier (NPI) is 1770559007, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Nanton's specialty?
- Stephen Nanton is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Nanton located?
- Stephen Nanton's practice location on file with NPPES is 1417 S. Cliff Ave, Sioux Falls, SD 57105-1014.
- What is Stephen Nanton's phone number?
- The practice phone number listed in the NPPES registry for Stephen Nanton is (605) 322-3666.
- Does Stephen Nanton accept Medicare?
- Stephen Nanton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Nanton's NPI active?
- Yes — Stephen Nanton's NPI (1770559007) is active in the NPPES registry as of the last update on 2018-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.