JEFFREY A ALEXANDER M.D.
NPI 1306822028
Internal Medicine - Gastroenterology in Rochester, MN
About Jeffrey A Alexander M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JEFFREY A ALEXANDER M.D. (NPI 1306822028) is an individual gastroenterology provider in Rochester, Minnesota, licensed in Minnesota (41132) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and is a graduate of Wayne State University School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
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
Jeffrey A Alexander M.d. 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
3Medicare enrollment records show Jeffrey Alexander reassigns Medicare billing to 3 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
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.
Areas of Expertise CMS Part B claims 12
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 Jeffrey Alexander's NPI number?
The NPI number for Jeffrey Alexander is 1306822028. It was assigned to this individual provider in the NPPES registry on December 15, 2005.
Where is Jeffrey Alexander located?
Jeffrey Alexander practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.
What is Jeffrey Alexander's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Jeffrey Alexander enrolled in Medicare?
Yes. Jeffrey Alexander 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 Jeffrey Alexander's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Alexander reassigns Medicare benefits to 3 organizations: Mayo Clinic (Rochester, 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 Jeffrey Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jeffrey Alexander affiliated with any hospitals?
According to CMS data, Jeffrey Alexander is affiliated with Mayo Clinic Hospital Rochester.
When was this NPI record last updated?
The NPPES record for Jeffrey Alexander was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.