DR. CLAES ERIK MICHAEL OLDENBURG MD
NPI 1811951098
Family Medicine in Saint Louis Park, MN
About Dr. Claes Erik Michael Oldenburg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLAES ERIK MICHAEL OLDENBURG MD (NPI 1811951098) is an individual family medicine provider in Saint Louis Park, Minnesota, licensed in Minnesota (38041) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Edina, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 3
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. Claes Erik Michael Oldenburg Md 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
4Medicare enrollment records show Claes Oldenburg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Minneapolis, MN 55416
- Reassigned Medicare billing, Minnesota enrollment
- 2,609 clinicians in this Medicare group
Minneapolis, MN 55416
- Reassigned Medicare billing, Minnesota enrollment
- 2,302 clinicians in this Medicare group
Edina, MN 55435
- Reassigned Medicare billing, Minnesota enrollment
- 4,038 clinicians in this Medicare group
Robbinsdale, MN 55422
- Reassigned Medicare billing, Minnesota enrollment
- 540 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55416 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 2
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 Claes Oldenburg's NPI number?
The NPI number for Claes Oldenburg is 1811951098. It was assigned to this individual provider in the NPPES registry on April 14, 2006.
Where is Claes Oldenburg located?
Claes Oldenburg practices at 4601 Excelsior Blvd Ste 407, Saint Louis Park, MN 55416. The listed phone number is (952) 926-0025.
What is Claes Oldenburg's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Claes Oldenburg enrolled in Medicare?
Yes. Claes Oldenburg 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 Claes Oldenburg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claes Oldenburg reassigns Medicare benefits to 4 organizations: Allina Health System (Minneapolis, MN), Fairview Clinics (Minneapolis, MN), Fairview Health Services (Edina, MN) and North Memorial Health Care (Robbinsdale, 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 Claes Oldenburg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Claes Oldenburg was last updated on November 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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. Claes Erik Michael Oldenburg, MD · NPI 1811951098
Family Medicine physician in Saint Louis Park, Minnesota. Individual provider, active in the CMS NPPES registry since April 14, 2006.
## Identity
- **NPI:** 1811951098 (Entity type: Individual)
- **Enumerated:** April 14, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 38041 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 4601 EXCELSIOR BLVD STE 407, Saint Louis Park, MN 55416-4977
- **Phone:** (952) 926-0025 · **Fax:** (952) 926-0376
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Allina Health System (NPI 1093321911, Minneapolis, MN); Fairview Clinics (NPI 1447442132, Minneapolis, MN); Fairview Health Services (NPI 1699752915, Edina, MN); North Memorial Health Care (NPI 1285657247, Robbinsdale, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Carolina At Chapel Hill School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** November 10, 2020
- **Other identifiers:** Other 0127540 (MN); Other 407A9OL (MN); Medicaid 307825600 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1811951098) · Data from the CMS NPPES public registry.