OLIVER MROWCZYNSKI MD, PHD
NPI 1871053728
Student in an Organized Health Care Education/Training Program in Hershey, PA
About Oliver Mrowczynski Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLIVER MROWCZYNSKI MD, PHD (NPI 1871053728) is an individual student in an organized health care education/training program in Hershey, Pennsylvania and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in York, and is a graduate of Pennsylvania State University College Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Oliver Mrowczynski Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Oliver Mrowczynski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Annville, PA 17003
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,080 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.
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.
HERSHEY, PA 17033
HERSHEY, PA 17033
HERSHEY, PA 17033
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 Oliver Mrowczynski's NPI number?
The NPI number for Oliver Mrowczynski is 1871053728. It was assigned to this individual provider in the NPPES registry on March 25, 2019.
Where is Oliver Mrowczynski located?
Oliver Mrowczynski practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (800) 243-1455.
What is Oliver Mrowczynski's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Oliver Mrowczynski enrolled in Medicare?
Yes. Oliver Mrowczynski is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Oliver Mrowczynski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oliver Mrowczynski reassigns Medicare benefits to Wellspan Medical Group (Annville, PA). 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 Oliver Mrowczynski'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 Oliver Mrowczynski was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Oliver Mrowczynski, MD, PHD · NPI 1871053728
Student in an Organized Health Care Education/Training Program provider in Hershey, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 25, 2019.
## Identity
- **NPI:** 1871053728 (Entity type: Individual)
- **Enumerated:** March 25, 2019
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 500 UNIVERSITY DR, Hershey, PA 17033-2360
- **Phone:** (800) 243-1455
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Wellspan Medical Group (NPI 1467072553, Annville, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2019
## Record status
- **NPPES last updated:** June 25, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1871053728) · Data from the CMS NPPES public registry.