DR. MICHAEL RAINER AMBROSE MD
NPI 1427023696
Emergency Medicine in Mobile, AL
About Dr. Michael Rainer Ambrose Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL RAINER AMBROSE MD (NPI 1427023696) is an individual emergency medicine provider in Mobile, Alabama, licensed in Florida (ME 42284) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael Rainer Ambrose Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Michael Ambrose reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 394 clinicians in this Medicare group
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 857 clinicians in this Medicare group
Mobile, AL 36608
- Reassigned Medicare billing, Alabama enrollment
- 72 clinicians in this Medicare group
Sumrall, MS 39482
- Reassigned Medicare billing, Mississippi enrollment
- 69 clinicians in this Medicare group
Covington, LA 70433
- Reassigned Medicare billing, Alabama enrollment
- 152 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 36617 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.
MOBILE, AL 36617
MOBILE, AL 36617
MOBILE, AL 36617
MOBILE, AL 36617
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 Michael Ambrose's NPI number?
The NPI number for Michael Ambrose is 1427023696. It was assigned to this individual provider in the NPPES registry on February 21, 2006.
Where is Michael Ambrose located?
Michael Ambrose practices at 2451 Fillingim St Suite 10 L, Mobile, AL 36617. The listed phone number is (251) 470-1649.
What is Michael Ambrose's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Michael Ambrose enrolled in Medicare?
Yes. Michael Ambrose is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Ambrose's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Ambrose reassigns Medicare benefits to 5 organizations: University Of South Alabama (Mobile, AL), Usa Health Physician Billing Services LLC (Mobile, AL), Mobile Emergency Physicians, LLC (Mobile, AL), Covington County Hospital (Sumrall, MS) and Correct Care, Inc. (Covington, LA). 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 Michael Ambrose'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 Michael Ambrose was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Michael Rainer Ambrose, MD · NPI 1427023696
Emergency Medicine physician in Mobile, Alabama. Individual provider, active in the CMS NPPES registry since February 21, 2006.
## Identity
- **NPI:** 1427023696 (Entity type: Individual)
- **Enumerated:** February 21, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** ME 42284 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 2451 FILLINGIM ST, SUITE 10 L, Mobile, AL 36617-2238
- **Phone:** (251) 470-1649 · **Fax:** (850) 432-8398
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): University Of South Alabama (NPI 1497859052, Mobile, AL); Usa Health Physician Billing Services LLC (NPI 1285292912, Mobile, AL); Mobile Emergency Physicians, LLC (NPI 1881934982, Mobile, AL); Covington County Hospital (NPI 1659995538, Sumrall, MS); Correct Care, Inc. (NPI 1215987441, Covington, LA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN F46398
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Source: [NPI Profile](https://npiprofile.com/npi/1427023696) · Data from the CMS NPPES public registry.