Doctor profile · Federal record

Dr. Lucas Littleton, DO

Internal Medicine Physician (CMS: Hospitalist) · Knoxville, TN

  • NPI 1013442185
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2240 Sutherland Ave Ste 103
Knoxville, TN 379192333
(865) 909-0090
Additional location
920 Madison Ave Ste 447
Memphis, TN 381033438
(901) 448-5814

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 24, 2021
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Tennessee #3991

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013442185. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,074
Distinct HCPCS
6
Medicare allowed
$94,643
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 678 254 $74
99238 Hospital discharge day management, 30 minutes or less 131 130 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 101 101 $162
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 85 55 $111
99239 Hospital discharge day management, more than 30 minutes 47 46 $107
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 32 32 $121

In context: peer comparison

Among 77 peers in Knoxville Internal Medicine Physician, average services per provider: 140. This provider delivers 7.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$231
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $124.99
Abbvie INC. 2 $49.07
Pfizer INC. 2 $40.64
Janssen Pharmaceuticals, INC 1 $16.21

By nature of payment

Food and Beverage
$231

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
196
Patients
191
Total drug cost
$12,903
Drug Type Claims Patients Total cost
Cefdinir Generic 38 38 $343
Furosemide Generic 27 25 $75
Eliquis (Apixaban) Brand 16 14 $11,851
Prednisone Generic 16 15 $38
Pantoprazole Sodium Generic 15 15 $127
Azithromycin Generic 14 14 $100
Amlodipine Besylate Generic 13 13 $27
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $117
Atorvastatin Calcium Generic 12 12 $81
Clopidogrel (Clopidogrel Bisulfate) Brand 11 11 $65

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lucas Littleton's medical specialty?
Dr. Lucas Littleton practices Internal Medicine Physician in Knoxville, TN.
Where does Dr. Lucas Littleton practice?
Dr. Lucas Littleton practices at 2240 Sutherland Ave Ste 103, Knoxville, TN 379192333. Office phone: 8659090090.
What is Dr. Lucas Littleton's NPI?
Dr. Lucas Littleton's National Provider Identifier (NPI) is 1013442185, issued by NPPES.
Does Dr. Lucas Littleton accept Medicare assignment?
Yes. Dr. Lucas Littleton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lucas Littleton commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.