BRETT ANTHONY MAY D.O.
NPI 1457886293
Emergency Medicine in Monroe, MI
About Brett Anthony May D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRETT ANTHONY MAY D.O. (NPI 1457886293) is an individual emergency medicine provider in Monroe, Michigan, licensed in Michigan (5101024537) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Mary's Medical Center, and is a graduate of Michigan State University College Of Osteopathic Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
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
Brett Anthony May 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
7Medicare enrollment records show Brett May reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hayward, WI 54843
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: St Marys Hospital Of Superior
- Also billed through NPI 1083657886 (Wisconsin)
- 381 clinicians in this Medicare group
Duluth, MN 55805
- Reassigned Medicare billing, Minnesota enrollment
- 179 clinicians in this Medicare group
Hinckley, MN 55037
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1326041633 (Minnesota)
- 159 clinicians in this Medicare group
Moose Lake, MN 55767
- Reassigned Medicare billing, Minnesota enrollment
- 213 clinicians in this Medicare group
Babbitt, MN 55706
- Reassigned Medicare billing, Minnesota enrollment
- 171 clinicians in this Medicare group
Aurora, MN 55705
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1639278609 (Minnesota)
- 136 clinicians in this Medicare group
Grand Rapids, MN 55744
- Reassigned Medicare billing, Minnesota enrollment
- 171 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health St Mary's Medical Center
Acute Care Hospitals · Duluth, MNEssentia Health Virginia
Acute Care Hospitals · Virginia, MNEssentia Health Northern Pines Medical Center
Critical Access Hospitals · Aurora, MNEssentia Health Moose Lake
Critical Access Hospitals · Moose Lake, MNSt Marys Hospital Superior
Critical Access Hospitals · Superior, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48162 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.
MONROE, MI 48162
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 Brett May's NPI number?
The NPI number for Brett May is 1457886293. It was assigned to this individual provider in the NPPES registry on May 1, 2017.
Where is Brett May located?
Brett May practices at 718 N Macomb St Attn: Michelle Salliotte, Monroe, MI 48162. The listed phone number is (734) 240-1991.
What is Brett May's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Brett May enrolled in Medicare?
Yes. Brett May 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 Brett May's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brett May reassigns Medicare benefits to 7 organizations: St Mary's Hospital Of Superior (Hayward, WI), St Marys Medical Center (Duluth, MN), Pine Medical Center (Hinckley, MN), Essentia Health Moose Lake (Moose Lake, MN), Essentia Health Virginia, LLC (Babbitt, MN) and 2 more organizations, listed in the Medicare section above. 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 Brett May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Brett May affiliated with any hospitals?
According to CMS data, Brett May is affiliated with Essentia Health St Mary's Medical Center, Essentia Health Virginia, Essentia Health Northern Pines Medical Center, Essentia Health Moose Lake and St Marys Hospital Superior.
When was this NPI record last updated?
The NPPES record for Brett May was last updated on September 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Brett Anthony May, D.O. · NPI 1457886293
Emergency Medicine physician in Monroe, Michigan. Individual provider, active in the CMS NPPES registry since May 1, 2017.
## Identity
- **NPI:** 1457886293 (Entity type: Individual)
- **Enumerated:** May 1, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101024537 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 718 N MACOMB ST, ATTN: MICHELLE SALLIOTTE, Monroe, MI 48162-7815
- **Phone:** (734) 240-1991
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): St Mary's Hospital Of Superior (NPI 1528518883, Hayward, WI); St Marys Medical Center (NPI 1457393035, Duluth, MN); Pine Medical Center (NPI 1720859531, Hinckley, MN); Essentia Health Moose Lake (NPI 1154959880, Moose Lake, MN); Essentia Health Virginia, LLC (NPI 1326595646, Babbitt, MN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2017
## Record status
- **NPPES last updated:** September 19, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1457886293) · Data from the CMS NPPES public registry.