CHRISTIAAN LETSINGER FNP-C
NPI 1407657026
Nurse Practitioner - Family in Belvidere, IL
About Christiaan Letsinger Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTIAAN LETSINGER FNP-C (NPI 1407657026) is an individual family provider in Belvidere, Illinois, licensed in Illinois (209.031976) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS, is affiliated with Uw Health, and is a graduate of Other (2024).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Christiaan Letsinger Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Christiaan Letsinger reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Belvidere, IL 61008
- Reassigned Medicare billing, Illinois enrollment
- 474 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Uw Health
Acute Care Hospitals · Rockford, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61008 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BELVIDERE, IL 61008
BELVIDERE, IL 61008
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Christiaan Letsinger's NPI number?
The NPI number for Christiaan Letsinger is 1407657026. It was assigned to this individual provider in the NPPES registry on March 20, 2025.
Where is Christiaan Letsinger located?
Christiaan Letsinger practices at 1700 Henry Luckow Ln, Belvidere, IL 61008. The listed phone number is (779) 696-8650.
What is Christiaan Letsinger's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Christiaan Letsinger enrolled in Medicare?
Yes. Christiaan Letsinger is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Christiaan Letsinger's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christiaan Letsinger reassigns Medicare benefits to Swedishamerican Hospital (Belvidere, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Christiaan Letsinger's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christiaan Letsinger accept?
Health plans from Quartz list Christiaan Letsinger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Christiaan Letsinger affiliated with any hospitals?
According to CMS data, Christiaan Letsinger is affiliated with Uw Health.
When was this NPI record last updated?
The NPPES record for Christiaan Letsinger was last updated on March 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Christiaan Letsinger, FNP-C · NPI 1407657026
Family physician in Belvidere, Illinois. Individual provider, active in the CMS NPPES registry since March 20, 2025.
## Identity
- **NPI:** 1407657026 (Entity type: Individual)
- **Enumerated:** March 20, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 209.031976 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 1700 HENRY LUCKOW LN, Belvidere, IL 61008-1702
- **Phone:** (779) 696-8650
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Swedishamerican Hospital (NPI 1417018110, Belvidere, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** March 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407657026) · Data from the CMS NPPES public registry.