Quick answers
- Does Janna McMahan accept Medicare assignment?
- Yes. Medicare's clinician data says Janna McMahan 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 Janna McMahan see?
- In 2024, CMS data shows 52 Original Medicare patients and 190 services for Janna McMahan. This counts Original Medicare only and measures volume, not quality.
- What is Janna McMahan's NPI number?
- 1437448172. 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 Janna McMahan, 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 | 52 |
|---|---|
| Services billed to Medicare | 190 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Insertion of needle into vein for collection of blood sample (36415)29 services
- Urine microalbumin (protein) level (82043)13 services
- Creatinine level to test for kidney function or muscle injury (82570)13 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)13 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 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%
- Chronic kidney disease75%
- Arthritis63%
- Diabetes62%
- Ischemic heart disease54%
Hospitals where Janna McMahan works
Medicare's Facility Affiliation Data lists Janna McMahan 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.
- Memorial Healthcare System, IncChattanooga, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 440091
Practice locations
Addresses where Janna McMahan is enrolled with Medicare (CMS data updated October 2, 2026).
- 2253 Chambliss Ave NW, Suite 200Cleveland, TN 37311 (423) 339‑3861
- 251 N Lyerly St, Suite 100Chattanooga, TN 37404 (423) 826‑8000
Group practices
Medicare enrollment lists Janna McMahan as a member of this group (CMS data updated October 2, 2026).
- Yium, Shenouda and Miller PTRSHP51 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Cleveland
Clinicians with the same Medicare primary specialty in Cleveland, TN — not a recommendation.
Other clinicians in Yium, Shenouda and Miller PTRSHP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| School | University Of Alabama School Of Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437448172 |
| 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