PER OSKAR ILJA VON SCHEWELOV WALLEN MD
NPI 1740973114
Hospitalist in Waterloo, IA
About Per Oskar Ilja Von Schewelov Wallen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PER OSKAR ILJA VON SCHEWELOV WALLEN MD (NPI 1740973114) is an individual hospitalist provider in Waterloo, Iowa, licensed in Iowa (MD56168) and active in the NPI registry since May 2023. He is enrolled in Medicare PECOS, is affiliated with Allen Hospital, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Per Oskar Ilja Von Schewelov Wallen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allen Hospital
Acute Care Hospitals · Waterloo, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50703 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.
WATERLOO, IA 50703
WATERLOO, IA 50703
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 Per Oskar Ilja Von Schewelov Wallen's NPI number?
The NPI number for Per Oskar Ilja Von Schewelov Wallen is 1740973114. It was assigned to this individual provider in the NPPES registry on May 31, 2023. The provider is also known as Oskar Wallen.
Where is Per Oskar Ilja Von Schewelov Wallen located?
Per Oskar Ilja Von Schewelov Wallen practices at 1825 Logan Ave, Waterloo, IA 50703. The listed phone number is (319) 235-3924.
What is Per Oskar Ilja Von Schewelov Wallen's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Per Oskar Ilja Von Schewelov Wallen enrolled in Medicare?
Yes. Per Oskar Ilja Von Schewelov Wallen is registered in the Medicare PECOS enrollment system.
Is Per Oskar Ilja Von Schewelov Wallen affiliated with any hospitals?
According to CMS data, Per Oskar Ilja Von Schewelov Wallen is affiliated with Allen Hospital.
When was this NPI record last updated?
The NPPES record for Per Oskar Ilja Von Schewelov Wallen was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.
# Per Oskar Ilja Von Schewelov Wallen, MD · NPI 1740973114
Hospitalist physician in Waterloo, Iowa. Individual provider, active in the CMS NPPES registry since May 31, 2023.
## Identity
- **NPI:** 1740973114 (Entity type: Individual)
- **Enumerated:** May 31, 2023
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** MD56168 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 1825 LOGAN AVE, Waterloo, IA 50703-1916
- **Phone:** (319) 235-3924
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** August 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1740973114) · Data from the CMS NPPES public registry.