MICHAEL S SAAG MD
NPI 1700809548
Internal Medicine - Infectious Disease in Birmingham, AL
About Michael S Saag Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL S SAAG MD (NPI 1700809548) is an individual infectious disease provider in Birmingham, Alabama, licensed in Alabama (10505) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Birmingham, and is a graduate of University Of Louisville School Of Medicine (1981).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
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
Michael S Saag Md 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
2Medicare enrollment records show Michael Saag reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Birmingham, AL 35233
- Reassigned Medicare billing, Alabama enrollment
- 4,494 clinicians in this Medicare group
Birmingham, AL 35294
- Reassigned Medicare billing, Alabama enrollment
- 460 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 5
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 35233 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.
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 Saag's NPI number?
The NPI number for Michael Saag is 1700809548. It was assigned to this individual provider in the NPPES registry on July 25, 2006.
Where is Michael Saag located?
Michael Saag practices at 619 19th Street South, Birmingham, AL 35233. The listed phone number is (205) 934-6600.
What is Michael Saag's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Michael Saag enrolled in Medicare?
Yes. Michael Saag 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 Michael Saag's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Saag reassigns Medicare benefits to 2 organizations: University Of Alabama Health Services Foundation, PC. (Birmingham, AL) and The University Of Alabama At Birmingham (Birmingham, AL). 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 Saag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Saag accept?
Health plans from Blue Cross and Blue Shield of Alabama list Michael Saag 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 Michael Saag was last updated on June 29, 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.
# Michael S Saag, MD · NPI 1700809548
Infectious Disease physician in Birmingham, Alabama. Individual provider, active in the CMS NPPES registry since July 25, 2006.
## Identity
- **NPI:** 1700809548 (Entity type: Individual)
- **Enumerated:** July 25, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 10505 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 619 19TH STREET SOUTH, Birmingham, AL 35233
- **Phone:** (205) 934-6600
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Alabama Health Services Foundation, PC. (NPI 1093768723, Birmingham, AL); The University Of Alabama At Birmingham (NPI 1487677811, Birmingham, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Louisville School Of Medicine, class of 1981
## Record status
- **NPPES last updated:** June 29, 2023
- **Other identifiers:** Other 110036877 (AL); Other C74016 (AL)
---
Source: [NPI Profile](https://npiprofile.com/npi/1700809548) · Data from the CMS NPPES public registry.