DR. LOUIS JOHN CHRISTENSEN D.D.S.
NPI 1992091904
Dentist - Oral and Maxillofacial Surgery in Saint Paul, MN
About Dr. Louis John Christensen D.d.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LOUIS JOHN CHRISTENSEN D.D.S. (NPI 1992091904) is an individual oral and maxillofacial surgery provider in Saint Paul, Minnesota, licensed in Minnesota (D13503) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Regions Hospital, and maintains a secondary practice location in Lake Elmo.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Dr. Louis John Christensen D.d.s. 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
2Medicare enrollment records show Louis Christensen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Paul, MN 55108
- Reassigned Medicare billing, Minnesota enrollment
- 2,274 clinicians in this Medicare group
Minneapolis, MN 55404
- Reassigned Medicare billing, Minnesota enrollment
- 1,247 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.
Regions Hospital
Acute Care Hospitals · Saint Paul, MNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55108 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.
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 Louis Christensen's NPI number?
The NPI number for Louis Christensen is 1992091904. It was assigned to this individual provider in the NPPES registry on June 28, 2011.
Where is Louis Christensen located?
Louis Christensen practices at 2500 Como Ave, Saint Paul, MN 55108. The listed phone number is (661) 647-2525.
What is Louis Christensen's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.
Is Louis Christensen enrolled in Medicare?
Yes. Louis Christensen 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 Louis Christensen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Louis Christensen reassigns Medicare benefits to 2 organizations: Group Health, Inc. (Saint Paul, MN) and Hennepin Healthcare System, Inc (Minneapolis, MN). 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 Louis Christensen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Louis Christensen accept?
Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, HealthPartners and Humana list Louis Christensen 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 Louis Christensen affiliated with any hospitals?
According to CMS data, Louis Christensen is affiliated with Regions Hospital.
When was this NPI record last updated?
The NPPES record for Louis Christensen was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. Louis John Christensen, D.D.S. · NPI 1992091904
Oral and Maxillofacial Surgery provider in Saint Paul, Minnesota. Individual provider, active in the CMS NPPES registry since June 28, 2011.
## Identity
- **NPI:** 1992091904 (Entity type: Individual)
- **Enumerated:** June 28, 2011
- **Primary specialty:** Dentist - Oral and Maxillofacial Surgery · taxonomy 1223S0112X
- **State license:** D13503 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 COMO AVE, Saint Paul, MN 55108-1460
- **Phone:** (661) 647-2525
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Group Health, Inc. (NPI 1225629017, Saint Paul, MN); Hennepin Healthcare System, Inc (NPI 1962914333, Minneapolis, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992091904) · Data from the CMS NPPES public registry.