DR. ANNE MARCELLA MESSMAN M.D.
NPI 1366688442
Emergency Medicine in Detroit, MI
About Dr. Anne Marcella Messman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNE MARCELLA MESSMAN M.D. (NPI 1366688442) is an individual emergency medicine provider in Detroit, Michigan, licensed in Michigan (4301092620) and active in the NPI registry since December 2008. She 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)
Dr. Anne Marcella Messman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Anne Messman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Detroit, MI 48201
- Reassigned Medicare billing, Michigan enrollment
- 84 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 48236 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.
DETROIT, MI 48236
DETROIT, MI 48236
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 Anne Messman's NPI number?
The NPI number for Anne Messman is 1366688442. It was assigned to this individual provider in the NPPES registry on December 19, 2008.
Where is Anne Messman located?
Anne Messman practices at 22101 Moross Rd Dept. Of Emergency Medicine, Detroit, MI 48236. The listed phone number is (313) 343-8797.
What is Anne Messman's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Anne Messman enrolled in Medicare?
Yes. Anne Messman is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Anne Messman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anne Messman reassigns Medicare benefits to Medical Center Emergency Services (Detroit, MI). The 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 Anne Messman'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 Anne Messman was last updated on December 19, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.