Physician Profile
Clayton D. Humphrey, D.O.
Unclaimed ProfileAbout Dr. Humphrey
Clayton D. Humphrey, D.O. is a healthcare provider in Knoxville, TN specializing in internal medicine. Clayton trained at Lincoln Memorial University Medical Department, graduating in 2016. Medicare claims data shows Clayton provided 671 services to 385 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, hospital discharge day management, more than 30 minutes, and prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (865) 305-9081
- Email not available
Practice Locations
1924 ALCOA HWY # U56
Knoxville, TN 37920
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
671 services · 385 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
321 | More often than most peers in INTERNAL MEDICINE |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
96 | As often as other peers in INTERNAL MEDICINE |
| Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by t | Billing code | G0316 |
85 | More often than most peers in INTERNAL MEDICINE |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
85 | As often as other peers in INTERNAL MEDICINE |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
66 | As often as other peers in INTERNAL MEDICINE |
| 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 | Billing code | G0180 |
18 | As often as other peers in INTERNAL MEDICINE |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other internal medicines in Knoxville 8
Same specialty, same city.
Trained at Lincoln Memorial University Medical Department 6
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Lincoln Memorial University Medical Department 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Clayton D. Humphrey specialize in?
Clayton D. Humphrey is an internal medicine in Knoxville, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Clayton D. Humphrey located?
Clayton D. Humphrey is listed at 1924 Alcoa Hwy # U56, Knoxville, TN 37920. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Clayton D. Humphrey's phone number?
The number on file is (865) 305-9081. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Clayton D. Humphrey?
Clayton D. Humphrey's National Provider Identifier is 1104289057. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Clayton D. Humphrey train?
Clayton D. Humphrey attended Lincoln Memorial University Medical Department, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Clayton D. Humphrey have?
Clayton D. Humphrey has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Clayton D. Humphrey do most often?
According to Medicare billing data, Clayton D. Humphrey the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Clayton D. Humphrey's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Clayton D. Humphrey. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.