Nathan Seigrist, DO
NPI 1780382465 · Student in an Organized Health Care Education/Training Program · O Fallon, IL
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Seigrist, DO is a Student in an Organized Health Care Education/Training Program provider in O Fallon, IL (NPI 1780382465).
Provider details
- NPI number
- 1780382465
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
- Student in an Organized Health Care Education/Training ProgramPrimary390200000XLicense 125.084301 (IL)
Student, Health Care
- Military Health Care Provider171000000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2023-02-21
- Last updated
- 2024-06-09
- Certified
- 2024-06-09
Frequently asked questions
- What is Nathan Seigrist's NPI number?
- Nathan Seigrist's National Provider Identifier (NPI) is 1780382465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Seigrist's specialty?
- Nathan Seigrist is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Nathan Seigrist located?
- Nathan Seigrist's practice location on file with NPPES is 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284.
- What is Nathan Seigrist's phone number?
- The practice phone number listed in the NPPES registry for Nathan Seigrist is (618) 256-9355.
- Does Nathan Seigrist accept Medicare?
- Nathan Seigrist is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Seigrist's NPI active?
- Yes — Nathan Seigrist's NPI (1780382465) is active in the NPPES registry as of the last update on 2024-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.