CHRISTOPH R REITZ M.D.
NPI 1639135007
Internal Medicine - Gastroenterology in Bellingham, WA
About Christoph R Reitz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPH R REITZ M.D. (NPI 1639135007) is an individual gastroenterology provider in Bellingham, Washington, licensed in Wisconsin (3916-320) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Sanford Medical Center Fargo, and maintains a secondary practice location in La Crosse.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
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
Christoph R Reitz M.d. 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 Reassignments
3Medicare enrollment records show Christoph Reitz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellingham, WA 98226
- Reassigned Medicare billing, Washington enrollment
- 13 clinicians in this Medicare group
Ellendale, ND 58436
- Reassigned Medicare billing, North Dakota enrollment
- 1,464 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sanford Medical Center Fargo
Acute Care Hospitals · Fargo, NDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Christoph Reitz's NPI number?
The NPI number for Christoph Reitz is 1639135007. It was assigned to this individual provider in the NPPES registry on April 25, 2006.
Where is Christoph Reitz located?
Christoph Reitz practices at 4920 Fremont St, Bellingham, WA 98229. The listed phone number is (360) 303-2569.
What is Christoph Reitz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Christoph Reitz enrolled in Medicare?
Yes. Christoph Reitz 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 organizations bill Medicare for Christoph Reitz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christoph Reitz reassigns Medicare benefits to 3 organizations: Northwest Gastroenterology Professional LLC (Bellingham, WA), Sanford Medical Center Fargo (Ellendale, ND) and Gundersen Lutheran Medical Center Inc (La Crosse, WI). Each 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 Christoph Reitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christoph Reitz accept?
Health plans from Aspirus Health Plan, Blue Cross Blue Shield of North Dakota, HealthPartners, Medica and Premera Blue Cross Blue Shield of Alaska and 2 other insurers list Christoph Reitz 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 Christoph Reitz affiliated with any hospitals?
According to CMS data, Christoph Reitz is affiliated with Sanford Medical Center Fargo.
When was this NPI record last updated?
The NPPES record for Christoph Reitz was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Christoph R Reitz, M.D. · NPI 1639135007
Gastroenterology physician in Bellingham, Washington. Individual provider, active in the CMS NPPES registry since April 25, 2006.
## Identity
- **NPI:** 1639135007 (Entity type: Individual)
- **Enumerated:** April 25, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 3916-320 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 4920 FREMONT ST, Bellingham, WA 98229-2622
- **Phone:** (360) 303-2569
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Northwest Gastroenterology Professional LLC (NPI 1033278411, Bellingham, WA); Sanford Medical Center Fargo (NPI 1346256682, Ellendale, ND); Gundersen Lutheran Medical Center Inc (NPI 1225873458, La Crosse, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** October 30, 2025
- **Other identifiers:** Medicaid 8275612 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1639135007) · Data from the CMS NPPES public registry.