Lucas Littleton, DO
NPI 1013442185 · Internal Medicine Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lucas Littleton, DO is a Internal Medicine Physician provider in Knoxville, TN (NPI 1013442185).
Provider details
- NPI number
- 1013442185
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 3991 (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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
907 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 | 585 | $72 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 79 | $159 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 77 | $109 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 77 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 72 | $105 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 |
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 |
|---|---|---|
| Atorvastatin Calcium | 27 | 18 |
| Pantoprazole Sodium | 25 | 22 |
| Carvedilol | 24 | 14 |
| Amlodipine Besylate | 23 | 18 |
| Losartan Potassium | 20 | 17 |
| Cefdinir | 19 | 19 |
| Prednisone | 19 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$231 across 6 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 (1)
- 920 Madison Ave Ste 447Memphis, TN 38103-3438Phone: (901) 448-5814
Registry dates
- Enumerated
- 2017-04-26
- Last updated
- 2021-08-24
- Certified
- 2021-08-24
Frequently asked questions
- What is Lucas Littleton's NPI number?
- Lucas Littleton's National Provider Identifier (NPI) is 1013442185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lucas Littleton's specialty?
- Lucas Littleton is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lucas Littleton located?
- Lucas Littleton's practice location on file with NPPES is 2240 Sutherland Ave Ste 103, Knoxville, TN 37919-2333.
- What is Lucas Littleton's phone number?
- The practice phone number listed in the NPPES registry for Lucas Littleton is (865) 909-0090.
- Does Lucas Littleton accept Medicare?
- Lucas Littleton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lucas Littleton's NPI active?
- Yes — Lucas Littleton's NPI (1013442185) is active in the NPPES registry as of the last update on 2021-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.