William Clay Callicott, DO
Pulmonary Disease Physician · Knoxville, TN
William Clay Callicott, DO is a pulmonary disease physician with a practice address in Knoxville, Tennessee, and NPI 1275162380, issued on Apr 2, 2020. Check the license (Tennessee 5317, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Clay Callicott
- Credential
- DO
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 5317 TN
Self-reported in NPPES; status is on the state search - Practice location
- 9352 Park West Blvd, Knoxville, TN 37923
- Phone
- (865) 373-1000
- Enumerated
- Apr 2, 2020
- Record last updated
- Jun 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20250106003333); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 9352 Park West Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Beil, P.T.Physical Therapist1740439710
- William Belden, CRNACertified Registered Nurse Anesthetist1396928164
- Berta Bergia, MDClinical Neurophysiology Physician1275501728
- Stephanie Brown, APRN, CRNACertified Registered Nurse Anesthetist1982379426
- Linda Chase, M.D.Neonatal-Perinatal Medicine Physician1215993365
- Ivan Chatilov, CRNACritical Care Medicine Registered Nurse1942984182
Verify William Clay Callicott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 5317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
87 Medicare Part D claims for 26 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Albuterol Sulfate Hfa20 claims
- Fluticasone-Salmeterol11 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.
Industry payments in 2024: $83.03
3 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Southeastern Physician Services PCMemphis, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pulmonary Disease Physician providers in Tennessee
There are 359 pulmonary disease physician records in Tennessee.
Other pulmonary disease physician records in Tennessee
- James Adams, M.D.Memphis, TN1649275322
- Ashish Agrawal, M.D.Jackson, TN1225136484
- Ankur Ahuja, M.D.Murfreesboro, TN1912263005
- Ahmad Al Shyoukh, MDJackson, TN1558856724
- Mariam Alawoki, M.D.Kingsport, TN1487017869
- Ahmad Albalbissi, M.D.Bristol, TN1164876330
- Melissa Aldridge, DOMurfreesboro, TN1073132429
- Abdelhamid Alsharif, MDKnoxville, TN1689985285
- Mohammad Alsoub, MDDickson, TN1063407534
- Hannah Anderson, DONashville, TN1649834425
Common questions
What is William Clay Callicott, DO's NPI number?
William Clay Callicott, DO's National Provider Identifier (NPI) is 1275162380, issued on Apr 2, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Clay Callicott, DO located?
The NPPES record lists a practice address at 9352 Park West Blvd, Knoxville, TN, 37923. Phone: (865) 373-1000. Providers update this record themselves, so call before visiting.
How can I verify William Clay Callicott, DO's license?
NPPES lists Tennessee license number 5317, 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 William Clay Callicott, DO prescribe under Medicare Part D?
In 2024, William Clay Callicott, DO had 87 Medicare Part D claims for 26 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
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.