TIMOTHY J SHEN MD
NPI 1184372708
Pathology - Medical Microbiology in Rochester, MN
About Timothy J Shen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY J SHEN MD (NPI 1184372708) is an individual medical microbiology provider in Rochester, Minnesota, licensed in Minnesota (77516) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Olmsted Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Timothy J Shen 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
5Medicare enrollment records show Timothy Shen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
Rochester, MN 55904
- Reassigned Medicare billing, Minnesota enrollment
- 379 clinicians in this Medicare group
Red Wing, MN 55066
- Reassigned Medicare billing, Minnesota enrollment
- 1,571 clinicians in this Medicare group
Waseca, MN 56093
- Reassigned Medicare billing, Minnesota enrollment
- 1,572 clinicians in this Medicare group
La Crosse, WI 54601
- Reassigned Medicare billing, Wisconsin enrollment
- 1,003 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Olmsted Medical Center
Acute Care Hospitals · Rochester, MNMayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNMayo Clinic Health System-Franciscan Medical Center Inc
Acute Care Hospitals · La Crosse, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55905 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.
ROCHESTER, MN 55905
ROCHESTER, MN 55905
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 Timothy Shen's NPI number?
The NPI number for Timothy Shen is 1184372708. It was assigned to this individual provider in the NPPES registry on March 14, 2022.
Where is Timothy Shen located?
Timothy Shen practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Timothy Shen's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Medical Microbiology, with taxonomy code 207ZM0300X.
Is Timothy Shen enrolled in Medicare?
Yes. Timothy Shen 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 Timothy Shen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Shen reassigns Medicare benefits to 5 organizations: Mayo Clinic (Rochester, MN), Olmsted Medical Center (Rochester, MN), Mayo Clinic Health System-Southeast Minnesota Region (Red Wing, MN), Mayo Clinic Health System-Southwest Minnesota Region (Waseca, MN) and Mayo Clinic Health System-Southwest Wisconsin Region, 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 Timothy Shen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Timothy Shen affiliated with any hospitals?
According to CMS data, Timothy Shen is affiliated with Olmsted Medical Center, Mayo Clinic Hospital Rochester and Mayo Clinic Health System-Franciscan Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Timothy Shen was last updated on June 16, 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.
# Timothy J Shen, MD · NPI 1184372708
Medical Microbiology physician in Rochester, Minnesota. Individual provider, active in the CMS NPPES registry since March 14, 2022.
## Identity
- **NPI:** 1184372708 (Entity type: Individual)
- **Enumerated:** March 14, 2022
- **Primary specialty:** Pathology - Medical Microbiology · taxonomy 207ZM0300X
- **State license:** 77516 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 1ST ST SW, Rochester, MN 55905-0001
- **Phone:** (507) 284-2511
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic (NPI 1114343860, Rochester, MN); Olmsted Medical Center (NPI 1952356297, Rochester, MN); Mayo Clinic Health System-Southeast Minnesota Region (NPI 1114453883, Red Wing, MN); Mayo Clinic Health System-Southwest Minnesota Region (NPI 1518494251, Waseca, MN); Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1629056049, La Crosse, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Chicago, Pritzker School Of Medicine, class of 2023
## Record status
- **NPPES last updated:** June 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1184372708) · Data from the CMS NPPES public registry.