NPPES file of Aug 9, 2026

Charles Adam Willis, FNP

Family Nurse Practitioner · Piney Flats, TN

Charles Adam Willis, FNP is a family nurse practitioner with a practice address in Piney Flats, Tennessee, and NPI 1659795151, issued on Feb 5, 2014. Check the license (Tennessee 18377, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1659795151
Name
Charles Adam Willis
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
18377 TN
RN0000177156 TN
Self-reported in NPPES; status is on the state search
Practice location
6419 Bristol Hwy, Piney Flats, TN 37686
Phone
(423) 538-5202
Enumerated
Feb 5, 2014
Record last updated
Feb 28, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(423) 538-8208
Medicaid ID
Q003839 TN
Medicare enrollment
Enrolled (PECOS I20140326001289); accepts Medicare assignment
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 6419 Bristol Hwy

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

  1. Joshua Compton, P.A.Physician Assistant1538409230
  2. Taylor McCoy, FNPFamily Nurse Practitioner1184254179
  3. Mary Catherine Shipley, NPFamily Nurse Practitioner1578107181
  4. Kenneth Starnes, PAPhysician Assistant1003904723
  5. Eden Villiard, FNPPrimary Care Nurse Practitioner1164144937
  6. Timothy Zeolia, PAPhysician Assistant1477565570

Verify Charles Adam Willis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 18377
    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
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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58% fewer Medicare Part D claims than the average family nurse practitioner in 2024

543 Medicare Part D claims for 285 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.

  1. Charles Willis543
  2. Specialty average1,305

Most prescribed

  1. Prednisone69 claims
  2. Doxycycline Hyclate53 claims
  3. Albuterol Sulfate Hfa50 claims
  4. Azithromycin42 claims
  5. Cephalexin41 claims
  6. Cefdinir31 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.

Bills Medicare through one group practice

  1. Health ExpressGreeneville, TN

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

6 family nurse practitioner records list a practice address in Piney Flats

They are 6 of the 48 NPPES records with a practice address in Piney Flats, and 9,060 family nurse practitioner records in Tennessee.

Other family nurse practitioner records in Tennessee

  1. Benjamin Aaron, FNP-CCookeville, TN1811454077
  2. Sandra Aaron, FNP-BCOoltewah, TN1801561964
  3. Jessica Abbott, FNPNashville, TN1801537287
  4. Felecia Abdelfattah, APRN BCBristol, TN1497768451
  5. Angela Abdi, MSN,FNP,BCNashville, TN1780795450
  6. Hodan Abdi, NPNashville, TN1710383922
  7. Amed Abdullah, FNP-CNashville, TN1477218774
  8. Dilmon Abdullah, NPAntioch, TN1467876821
  9. Redor AbdullahNashville, TN1205344009
  10. Shams Abed, FNP-BCAshland City, TN1982334884

Common questions

What is Charles Adam Willis, FNP's NPI number?

Charles Adam Willis, FNP's National Provider Identifier (NPI) is 1659795151, issued on Feb 5, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Charles Adam Willis, FNP located?

The NPPES record lists a practice address at 6419 Bristol Hwy, Piney Flats, TN, 37686. Phone: (423) 538-5202. Providers update this record themselves, so call before visiting.

How can I verify Charles Adam Willis, FNP's license?

NPPES lists Tennessee license number 18377, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Charles Adam Willis, FNP prescribe under Medicare Part D?

In 2024, Charles Adam Willis, FNP had 543 Medicare Part D claims for 285 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.