NPPES file of Aug 9, 2026

Clayton Devereau Humphrey, D.O.

Hospitalist Physician · Knoxville, TN

Clayton Devereau Humphrey, D.O. is a hospitalist physician with a practice address in Knoxville, Tennessee, and NPI 1104289057, issued on Mar 29, 2016. Check the license (Tennessee 3530, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1104289057
Name
Clayton Devereau Humphrey
Credential
D.O.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
3530 TN
Self-reported in NPPES; status is on the state search
Practice location
1924 Alcoa Hwy # U56, Knoxville, TN 37920
Phone
(865) 305-9081
Enumerated
Mar 29, 2016
Record last updated
Apr 4, 2024
Fax
(865) 305-8769
Medicare enrollment
Enrolled (PECOS I20180920002582); accepts Medicare assignment
Medical or professional school
Lincoln Memorial University Medical Department, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1924 Alcoa Hwy # U56

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Tokunbo Akinleye, FNP-BCAcute Care Nurse Practitioner1851797625
  2. Omar Alsharif, MDHematology & Oncology Physician1548758527
  3. Samar AlsharifHospitalist Physician1528032984
  4. Kathryn Cook, NPAcute Care Nurse Practitioner1902806524
  5. Bethany Culver, AGPCNP-BCAcute Care Nurse Practitioner1053758433
  6. Mary Cummins, DOHospitalist Physician1922492248

Verify Clayton Devereau Humphrey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 3530
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Tennessee license search

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10% fewer Medicare Part D claims than the average hospitalist physician in 2024

469 Medicare Part D claims for 177 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Clayton Humphrey469
  2. Specialty average521

Most prescribed

  1. Eliquis31 claims
  2. Pantoprazole Sodium25 claims
  3. Furosemide20 claims
  4. Atorvastatin Calcium19 claims
  5. Cefuroxime17 claims
  6. Metoprolol Tartrate15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 95.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $238.98

12 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Clayton Humphrey$238.98
  2. Specialty average$494.84

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University Health System, Inc.Knoxville, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Hospitalist Physician providers in Tennessee

There are 426 hospitalist physician records in Tennessee.

Other hospitalist physician records in Tennessee

  1. Loraine Achebe, M.DCleveland, TN1073807582
  2. Stephen Adams, MDChattanooga, TN1598701674
  3. Abiodun Adefurin, MDNashville, TN1265886568
  4. Mosunmola Ademosu, MDHendersonville, TN1003234006
  5. Douglas Adkisson, MDGreeneville, TN1902953896
  6. Hina Akbar, M.D.Memphis, TN1871909671
  7. Muhammad Akmal, M.D.Greeneville, TN1144269887
  8. Mohammad Al-Khdarat, M.D.Nashville, TN1255707386
  9. Salwan Al-Saad Alla, MDSpringfield, TN1831823657
  10. Pierce Alexander, MDKnoxville, TN1255319067

Common questions

What is Clayton Devereau Humphrey, D.O.'s NPI number?

Clayton Devereau Humphrey, D.O.'s National Provider Identifier (NPI) is 1104289057, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Clayton Devereau Humphrey, D.O. located?

The NPPES record lists a practice address at 1924 Alcoa Hwy # U56, Knoxville, TN, 37920. Phone: (865) 305-9081. Providers update this record themselves, so call before visiting.

How can I verify Clayton Devereau Humphrey, D.O.'s license?

NPPES lists Tennessee license number 3530, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Clayton Devereau Humphrey, D.O. prescribe under Medicare Part D?

In 2024, Clayton Devereau Humphrey, D.O. had 469 Medicare Part D claims for 177 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Clayton Devereau Humphrey, D.O.'s MIPS final score?

The 2023 MIPS final score is 95.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.