Quick answers
- Does Karen J. Stallard accept Medicare assignment?
- Yes. Medicare's clinician data says Karen J. Stallard 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 Karen J. Stallard see?
- In 2024, CMS data shows 131 Original Medicare patients and 2,468 services for Karen J. Stallard. This counts Original Medicare only and measures volume, not quality.
- What is Karen J. Stallard's NPI number?
- 1154339869. 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 Karen J. Stallard, 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 | 131 |
|---|---|
| Services billed to Medicare | 2,468 |
| Different services or procedures | 86 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)281 services
- Blood test, comprehensive group of blood chemicals (80053)135 services
- Blood test, lipids (cholesterol and triglycerides) (80061)110 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)106 services
- Insertion of needle into vein for collection of blood sample (36415)104 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 disease44%
- Diabetes35%
- Anxiety35%
- Arthritis34%
Hospitals where Karen J. Stallard works
Medicare's Facility Affiliation Data lists Karen J. Stallard 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.
- Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 440063
- Lonesome Pine HospitalBig Stone Gap, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490114
- Wellmont Holston Valley Medical CenterKingsport, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440017
Practice locations
Addresses where Karen J. Stallard is enrolled with Medicare (CMS data updated October 2, 2026).
- 1990 Holton Ave EBig Stone Gap, VA 24219
- 1990 Holton Ave E, Fl 1Big Stone Gap, VA 24219 (276) 523‑8635
- 515 Front St WCoeburn, VA 24230 (276) 395‑2389
- 671 Hwy 58 ENorton, VA 24273 (276) 679‑5874
Group practices
Medicare enrollment lists Karen J. Stallard as a member of these groups (CMS data updated October 2, 2026).
- Wellmont Medical Associates Inc433 clinicians in the group
- Norton Community Physician Services LLC31 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Big Stone Gap
Clinicians with the same Medicare primary specialty in Big Stone Gap, VA — not a recommendation.
Other clinicians in Wellmont Medical Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | East Tennessee State University Quillen College Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1154339869 |
| 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