DR. JOHN CHARLES MATULIS III D.O.
NPI 1891013140
Internal Medicine in Rochester, MN
About Dr. John Charles Matulis Iii D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN CHARLES MATULIS III D.O. (NPI 1891013140) is an individual internal medicine provider in Rochester, Minnesota, licensed in Minnesota (59188) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with St Mary's Regional Medical Center, and maintains a secondary practice location in Hebron.
NPPES Registry Identity
Specialties & Licenses
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
Dr. John Charles Matulis Iii D.o. 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 John Matulis 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
Hebron, ME 04238
- Reassigned Medicare billing, Maine enrollment
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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Mary's Regional Medical Center
Acute Care Hospitals · Lewiston, MEMayo 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.
Referred Medical Equipment & Supplies CMS DME claims 10
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 John Matulis's NPI number?
The NPI number for John Matulis is 1891013140. It was assigned to this individual provider in the NPPES registry on May 11, 2010.
Where is John Matulis located?
John Matulis practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is John Matulis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Matulis enrolled in Medicare?
Yes. John Matulis 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 John Matulis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Matulis reassigns Medicare benefits to 2 organizations: Mayo Clinic (Rochester, MN) and Second Mountain Internal Medicine P.C. (Hebron, ME). 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 John Matulis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Matulis affiliated with any hospitals?
According to CMS data, John Matulis is affiliated with St Mary's Regional Medical Center and Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for John Matulis was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. John Charles Matulis III, D.O. · NPI 1891013140
Internal Medicine physician in Rochester, Minnesota. Individual provider, active in the CMS NPPES registry since May 11, 2010.
## Identity
- **NPI:** 1891013140 (Entity type: Individual)
- **Enumerated:** May 11, 2010
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 59188 (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:** 2 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic (NPI 1114343860, Rochester, MN); Second Mountain Internal Medicine P.C. (NPI 1629969332, Hebron, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 2010
## Record status
- **NPPES last updated:** August 21, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1891013140) · Data from the CMS NPPES public registry.