Janna Davis
NPI 1639556558 · Acute Care Nurse Practitioner · Kingsport, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janna Davis is a Acute Care Nurse Practitioner provider in Kingsport, TN (NPI 1639556558).
Provider details
- NPI number
- 1639556558
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 0024189519 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
10 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
536 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 168 | $101 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 163 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $70 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 80 | $39 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 25 | $63 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 129 | 38 |
| Metoprolol Succinate | 118 | 49 |
| Carvedilol | 96 | 31 |
| Metoprolol Tartrate | 90 | 41 |
| Furosemide | 83 | 30 |
| Rosuvastatin Calcium | 64 | 28 |
| Clopidogrel Bisulfatebrand: Clopidogrel |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$335 across 23 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (9)
- 979 E 3rd StSuite C-520Chattanooga, TN 37403-2136Phone: (423) 778-5661
- 2030 Temple Hill RdErwin, TN 37650-8721Phone: (423) 743-3141
- 1410 Tusculum Blvd Ste 1500Greeneville, TN 37745-5810Phone: (423) 638-2270
- 2428 Knob Creek Rd Ste 201Johnson City, TN 37604-2396Phone: (423) 262-4400
- 378 Marketplace Blvd Ste 5Johnson City, TN 37604-2361Phone: (423) 282-0751
- 310 N State of Franklin Rd Ste 400Johnson City, TN 37604-6051Phone: (423) 979-6000
- 16000 Johnston Memorial Dr Ste 212aAbingdon, VA 24211-7664Phone: (276) 258-1000
- 245 Medical Park Dr Ste aMarion, VA 24354-1100Phone: (276) 378-1000
- 127 Health Care Dr Ste 3Pennington Gap, VA 24277-2853Phone: (423) 230-5000
Registry dates
- Enumerated
- 2015-04-29
- Last updated
- 2025-01-20
- Certified
- 2025-01-20
Frequently asked questions
- What is Janna Davis's NPI number?
- Janna Davis's National Provider Identifier (NPI) is 1639556558, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janna Davis's specialty?
- Janna Davis is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janna Davis located?
- Janna Davis's practice location on file with NPPES is 2050 Meadowview Pkwy, Kingsport, TN 37660-7475.
- What is Janna Davis's phone number?
- The practice phone number listed in the NPPES registry for Janna Davis is (423) 230-5000.
- Does Janna Davis accept Medicare?
- Janna Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janna Davis's NPI active?
- Yes — Janna Davis's NPI (1639556558) is active in the NPPES registry as of the last update on 2025-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.