Thomas Jernigan, MD
NPI 1013944099 · Internal Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Jernigan, MD is a Internal Medicine Physician provider in Knoxville, TN (NPI 1013944099).
Provider details
- NPI number
- 1013944099
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 27199 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
592 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 270 | $73 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 125 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 79 | $160 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 50 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 47 | $105 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 25 | 24 |
| Pantoprazole Sodium | 22 | 22 |
| Atorvastatin Calcium | 21 | 19 |
| Apixabanbrand: Eliquis | 21 | 14 |
| Furosemide | 15 | 15 |
| Potassium Chloride | 15 | 15 |
| Amlodipine Besylate | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 1 record (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
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2012-11-01
Frequently asked questions
- What is Thomas Jernigan's NPI number?
- Thomas Jernigan's National Provider Identifier (NPI) is 1013944099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Jernigan's specialty?
- Thomas Jernigan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Jernigan located?
- Thomas Jernigan's practice location on file with NPPES is 2240 Sutherland Ave, Knoxville, TN 37919-2333.
- What is Thomas Jernigan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Jernigan is (865) 909-0090.
- Does Thomas Jernigan accept Medicare?
- Thomas Jernigan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Jernigan's NPI active?
- Yes — Thomas Jernigan's NPI (1013944099) is active in the NPPES registry as of the last update on 2012-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.