ALEX ARDEN JOHNSON MD
NPI 1790031912
Orthopaedic Surgery in Birmingham, AL
About Alex Arden Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX ARDEN JOHNSON MD (NPI 1790031912) is an individual orthopaedic surgery provider in Birmingham, Alabama, licensed in Maryland (D89769) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2013).
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)
Alex Arden Johnson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Alex Johnson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- Also billed through NPI 1023665262 (District of Columbia)
- 48 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 10
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 35205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BIRMINGHAM, AL 35205
BIRMINGHAM, AL 35205
BIRMINGHAM, AL 35205
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 Alex Johnson's NPI number?
The NPI number for Alex Johnson is 1790031912. It was assigned to this individual provider in the NPPES registry on July 25, 2012.
Where is Alex Johnson located?
Alex Johnson practices at 805 Saint Vincents Dr Ste 100, Birmingham, AL 35205. The listed phone number is (205) 939-3699.
What is Alex Johnson's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Alex Johnson enrolled in Medicare?
Yes. Alex Johnson is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alex Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Johnson reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Bethesda, MD) and Johns Hopkins University (Baltimore, MD). 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 Alex Johnson'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 Alex Johnson was last updated on March 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Alex Arden Johnson, MD · NPI 1790031912
Orthopaedic Surgery physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since July 25, 2012.
## Identity
- **NPI:** 1790031912 (Entity type: Individual)
- **Enumerated:** July 25, 2012
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** D89769 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 805 SAINT VINCENTS DR STE 100, Birmingham, AL 35205-1638
- **Phone:** (205) 939-3699 · **Fax:** (205) 581-7155
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1578569240, Bethesda, MD); Johns Hopkins University (NPI 1013913789, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Emory University School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** March 28, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1790031912) · Data from the CMS NPPES public registry.