MATTHEW D KLEIN MD
NPI 1124073218
Hospitalist in Rochester, MN
About Matthew D Klein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW D KLEIN MD (NPI 1124073218) is an individual hospitalist provider in Rochester, Minnesota, licensed in Minnesota (37412) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains a secondary practice location in Minneapolis.
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 and accepts Medicare assignment
Matthew D Klein 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
2Medicare enrollment records show Matthew Klein reassigns Medicare billing to 2 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
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.
Areas of Expertise CMS Part B claims 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mayo Clinic Hospital Rochester
Acute Care Hospitals · Rochester, MNPhysician 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 Matthew Klein's NPI number?
The NPI number for Matthew Klein is 1124073218. It was assigned to this individual provider in the NPPES registry on May 24, 2006.
Where is Matthew Klein located?
Matthew Klein practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Matthew Klein's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Matthew Klein enrolled in Medicare?
Yes. Matthew Klein 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 Matthew Klein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Klein reassigns Medicare benefits to 2 organizations: Mayo Clinic (Rochester, 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 Matthew Klein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Klein affiliated with any hospitals?
According to CMS data, Matthew Klein is affiliated with Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for Matthew Klein was last updated on February 10, 2021. 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.
# Matthew D Klein, MD · NPI 1124073218
Hospitalist physician in Rochester, Minnesota. Individual provider, active in the CMS NPPES registry since May 24, 2006.
## Identity
- **NPI:** 1124073218 (Entity type: Individual)
- **Enumerated:** May 24, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 37412 (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
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic (NPI 1114343860, Rochester, MN); Hennepin Healthcare System, Inc (NPI 1962914333, Minneapolis, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Mayo Medical School, class of 1993
## Record status
- **NPPES last updated:** February 10, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1124073218) · Data from the CMS NPPES public registry.