DAVID JOSEPH GRESBACK M.D.
NPI 1154689370
Emergency Medicine in Mankato, MN
About David Joseph Gresback M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID JOSEPH GRESBACK M.D. (NPI 1154689370) is an individual emergency medicine provider in Mankato, Minnesota, licensed in Minnesota (59400) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS.
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 (PECOS)
David Joseph Gresback M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show David Gresback reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mankato, MN 56001
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1740256668 (Minnesota), NPI 1124035282 (Minnesota)
- 1,572 clinicians in this Medicare group
Saint James, MN 56081
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1023177730 (Minnesota)
- 390 clinicians in this Medicare group
Fairmont, MN 56031
- Reassigned Medicare billing, Minnesota enrollment
- 806 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 56001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 David Gresback's NPI number?
The NPI number for David Gresback is 1154689370. It was assigned to this individual provider in the NPPES registry on April 25, 2012.
Where is David Gresback located?
David Gresback practices at 1025 Marsh St Dept Of, Mankato, MN 56001. The listed phone number is (507) 385-2610.
What is David Gresback's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is David Gresback enrolled in Medicare?
Yes. David Gresback is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for David Gresback's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Gresback reassigns Medicare benefits to 3 organizations: Mayo Clinic Health System-Southwest Minnesota Region (Mankato, MN), Mayo Clinic Health System-St James (Saint James, MN) and Mayo Clinic Health System-Fairmont (Fairmont, 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 David Gresback'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 David Gresback was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.