Quick answers
- Does Andrea Littlefield accept Medicare assignment?
- Yes. Medicare's clinician data says Andrea Littlefield 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 Andrea Littlefield see?
- In 2024, CMS data shows 988 Original Medicare patients and 24,508 services for Andrea Littlefield. This counts Original Medicare only and measures volume, not quality.
- What is Andrea Littlefield's NPI number?
- 1801417613. 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 Andrea Littlefield, 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 | 988 |
|---|---|
| Services billed to Medicare | 24,508 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Bcg live intravesical instillation, 1 mg (J9030)1,650 services
- Automated urinalysis test (81003)1,115 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)1,076 services
- Injection, denosumab, 1 mg (J0897)900 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)644 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%
- Arthritis48%
- Ischemic heart disease34%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)32%
- Diabetes31%
Hospitals where Andrea Littlefield works
Medicare's Facility Affiliation Data lists Andrea Littlefield 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.
- University Health System, IncKnoxville, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440015
Practice locations
Addresses where Andrea Littlefield is enrolled with Medicare (CMS data updated October 2, 2026).
- 1928 Alcoa Hwy, Suite B222Knoxville, TN 37920 (865) 305‑9254
- 7557 Dannaher Dr, Suite 230Powell, TN 37849 (865) 938‑5222
- 800 Oak Ridge Tpke, A101Oak Ridge, TN 37830 (865) 483‑1093
- 9245 Park W BlvdKnoxville, TN 37923 (865) 690‑3811
Group practices
Medicare enrollment lists Andrea Littlefield as a member of these groups (CMS data updated October 2, 2026).
- Tennessee Urology Associates, PLLC27 clinicians in the group
- University Urology PC15 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Knoxville
Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.
Other clinicians in Tennessee Urology Associates, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801417613 |
| 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