DR. BERTRAM LLEWELLYN PROSSER M.D.
NPI 1265745913
Emergency Medicine - Emergency Medical Services in Tucson, AZ
About Dr. Bertram Llewellyn Prosser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BERTRAM LLEWELLYN PROSSER M.D. (NPI 1265745913) is an individual emergency medical services provider in Tucson, Arizona, licensed in Arizona (R72312) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Bertram Llewellyn Prosser M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Bertram Prosser reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90066
- Reassigned Medicare billing, Georgia enrollment
- 8 clinicians in this Medicare group
Acworth, GA 30101
- Reassigned Medicare billing, Georgia enrollment
- 9 clinicians in this Medicare group
Roswell, GA 30076
- Reassigned Medicare billing, Georgia enrollment
- 61 clinicians in this Medicare group
Griffin, GA 30224
- Reassigned Medicare billing, Georgia enrollment
- 208 clinicians in this Medicare group
Covington, GA 30014
- Reassigned Medicare billing, Georgia enrollment
- 63 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 85713 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.
TUCSON, AZ 85713
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 Bertram Prosser's NPI number?
The NPI number for Bertram Prosser is 1265745913. It was assigned to this individual provider in the NPPES registry on July 23, 2010.
Where is Bertram Prosser located?
Bertram Prosser practices at 2800 E Ajo Way, Tucson, AZ 85713. The listed phone number is (520) 874-2000.
What is Bertram Prosser's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Bertram Prosser enrolled in Medicare?
Yes. Bertram Prosser is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Bertram Prosser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Bertram Prosser reassigns Medicare benefits to 5 organizations: Skilled Facility Health Care Solutions Inc (Los Angeles, CA), North Cobb Spine And Nerve Institute, LLC (Acworth, GA), North Fulton Emergency Physicians, LLC (Roswell, GA), Georgia Emergency Group, LLC (Griffin, GA) and Angelfish Emergency Physicians, LLC (Covington, GA). 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 Bertram Prosser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Bertram Prosser accept?
Health plans from CareSource, CareSource (Common Ground Healthcare), Oscar Health and Oscar Insurance Company list Bertram Prosser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Bertram Prosser was last updated on July 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Bertram Llewellyn Prosser, M.D. · NPI 1265745913
Emergency Medical Services physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since July 23, 2010.
## Identity
- **NPI:** 1265745913 (Entity type: Individual)
- **Enumerated:** July 23, 2010
- **Primary specialty:** Emergency Medicine - Emergency Medical Services · taxonomy 207PE0004X
- **State license:** R72312 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2800 E AJO WAY, Tucson, AZ 85713-6204
- **Phone:** (520) 874-2000
## 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): Skilled Facility Health Care Solutions Inc (NPI 1104018423, Los Angeles, CA); North Cobb Spine And Nerve Institute, LLC (NPI 1972922607, Acworth, GA); North Fulton Emergency Physicians, LLC (NPI 1053456954, Roswell, GA); Georgia Emergency Group, LLC (NPI 1952746638, Griffin, GA); Angelfish Emergency Physicians, LLC (NPI 1407259500, Covington, GA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 16, 2014
---
Source: [NPI Profile](https://npiprofile.com/npi/1265745913) · Data from the CMS NPPES public registry.