Doctor profile · Federal record

Dr. Clayton Humphrey, D.O.

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

  • NPI 1104289057
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1924 Alcoa Hwy # U56
Knoxville, TN 379201511
(865) 305-9081
fax (865) 305-8769
Mailing address
Po Box 415000-Msc8135
Nashville, TN 372418135

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
April 4, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Tennessee #3530

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104289057. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
691
Distinct HCPCS
6
Medicare allowed
$69,821
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 259 119 $112
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 181 97 $75
99239 Hospital discharge day management, more than 30 minutes 134 131 $108
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 62 61 $164
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 37 16 $47
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 18 18 $49

In context: peer comparison

Among 26 peers in this city , average services per provider: 107. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$239
Transactions
12
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 3 $55.61
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 3 $46.21
ABBVIE INC. 2 $33.10
Mallinckrodt Hospital Products Inc. 1 $32.93
Merck Sharp & Dohme LLC 1 $31.24
Dexcom, Inc. 1 $22.49
Janssen Pharmaceuticals, Inc 1 $17.40

By nature of payment

Food and Beverage
$239

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
301
Patients
262
Total drug cost
$23,469
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 34 33 $344
Prednisone Generic 29 29 $205
Eliquis (Apixaban) Brand 28 14 $20,450
Cefdinir Generic 26 25 $346
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 24 24 $184
Pantoprazole Sodium Generic 23 22 $285
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 19 0 $653
Atorvastatin Calcium Generic 18 17 $116
Metoprolol Tartrate Generic 17 17 $62
Furosemide Generic 16 16 $41

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clayton Humphrey's medical specialty?
Dr. Clayton Humphrey practices Hospitalist Physician in Knoxville, TN.
Where does Dr. Clayton Humphrey practice?
Dr. Clayton Humphrey practices at 1924 Alcoa Hwy # U56, Knoxville, TN 379201511. Office phone: 8653059081.
What is Dr. Clayton Humphrey's NPI?
Dr. Clayton Humphrey's National Provider Identifier (NPI) is 1104289057, issued by NPPES.
Does Dr. Clayton Humphrey accept Medicare assignment?
Yes. Dr. Clayton Humphrey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clayton Humphrey commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.