Christiaan Letsinger, FNP-C
NPI 1407657026 · Family Nurse Practitioner · Belvidere, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christiaan Letsinger, FNP-C is a Family Nurse Practitioner provider in Belvidere, IL (NPI 1407657026).
Provider details
- NPI number
- 1407657026
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 209.031976 (IL)
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
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
Mailing address
Registry dates
- Enumerated
- 2025-03-20
- Last updated
- 2025-03-20
- Certified
- 2025-03-20
Frequently asked questions
- What is Christiaan Letsinger's NPI number?
- Christiaan Letsinger's National Provider Identifier (NPI) is 1407657026, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christiaan Letsinger's specialty?
- Christiaan Letsinger is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christiaan Letsinger located?
- Christiaan Letsinger's practice location on file with NPPES is 1700 Henry Luckow Ln, Belvidere, IL 61008-1702.
- What is Christiaan Letsinger's phone number?
- The practice phone number listed in the NPPES registry for Christiaan Letsinger is (779) 696-8650.
- Does Christiaan Letsinger accept Medicare?
- Christiaan Letsinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christiaan Letsinger's NPI active?
- Yes — Christiaan Letsinger's NPI (1407657026) is active in the NPPES registry as of the last update on 2025-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.