Quick answers
- Does Joanna L. Siegel accept Medicare assignment?
- Yes. Medicare's clinician data says Joanna L. Siegel accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Joanna L. Siegel see?
- In 2024, CMS data shows 252 Original Medicare patients and 1,800 services for Joanna L. Siegel. This counts Original Medicare only and measures volume, not quality.
- What is Joanna L. Siegel's NPI number?
- 1831163724. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Joanna L. Siegel, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 252 |
|---|---|
| Services billed to Medicare | 1,800 |
| Different services or procedures | 76 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)128 services
- Insertion of needle into vein for collection of blood sample (36415)70 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)66 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)62 services
- Blood test, comprehensive group of blood chemicals (80053)61 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Diabetes35%
- Depression27%
- Chronic kidney disease25%
Hospitals where Joanna L. Siegel works
Medicare's Facility Affiliation Data lists Joanna L. Siegel at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- St Vincent's BirminghamBirmingham, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010056
Practice locations
Addresses where Joanna L. Siegel is enrolled with Medicare (CMS data updated October 2, 2026).
- 833 Saint Vincents Dr, Suite 300Birmingham, AL 35205 (205) 933‑4640
- 833 St Vincents Dr, Suite 502Birmingham, AL 35205 (205) 933‑4400
Group practices
Medicare enrollment lists Joanna L. Siegel as a member of this group (CMS data updated October 2, 2026).
- Southview Medical Group, PC40 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Birmingham
Clinicians with the same Medicare primary specialty in Birmingham, AL — not a recommendation.
Other clinicians in Southview Medical Group, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1831163724 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians