NPPES file of Aug 9, 2026

Denise S. Sibley, MD

Internal Medicine Physician · Johnson City, TN

Denise S. Sibley, MD is an internal medicine physician with a practice address in Johnson City, Tennessee, and NPI 1366480709, issued on Jun 4, 2006. Check the license (Tennessee MD20001, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1366480709
Name
Denise S. Sibley
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD20001 TN
Self-reported in NPPES; status is on the state search
Practice location
403 Princeton RD, Johnson City, TN 37601
Phone
(423) 283-0333
Enumerated
Jun 4, 2006
Record last updated
Aug 10, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(423) 283-0518
Medicaid ID
3883716 TN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 403 Princeton RD

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

  1. Judith Cole, LCSWClinical Social Worker1942493960
  2. Lana Covington, LCSWClinical Social Worker1225285026
  3. Rachel Davenport, NPNurse Practitioner1750746202
  4. Linda Good, LPC/MHSPCounselor1356508345
  5. Karen Hathaway, FNPFamily Nurse Practitioner1710326160
  6. Michelle Kirby, LCSWClinical Social Worker1225110364

Verify Denise S. Sibley 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 MD20001
    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

98% fewer Medicare Part D claims than the average internal medicine physician in 2024

74 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Denise Sibley74
  2. Specialty average3,176

Most prescribed

  1. Prednisone32 claims
  2. Azithromycin13 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.

125 internal medicine physician records list a practice address in Johnson City

They are 125 of the 3,807 NPPES records with a practice address in Johnson City, and 2,596 internal medicine physician records in Tennessee.

Other internal medicine physician records in Tennessee

  1. John Aaron, MDClarksville, TN1629019922
  2. Damon Abaray, MDNashville, TN1275680134
  3. Samuel Abbas, MDHixson, TN1497105373
  4. Matthew Abbate, MDNashville, TN1982796306
  5. Sarmed Abdullah, M.D.Lexington, TN1588755359
  6. Temidayo Abe, MDNashville, TN1366947798
  7. Ahad Abid, MDNashville, TN1316500176
  8. Mouna Abouamara, MDJohnson City, TN1447324603
  9. Betty Abraham, MDChattanooga, TN1093923633
  10. Rawan Abu-Zeitoon, M.DKingsport, TN1265621072

Common questions

What is Denise S. Sibley, MD's NPI number?

Denise S. Sibley, MD's National Provider Identifier (NPI) is 1366480709, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Denise S. Sibley, MD located?

The NPPES record lists a practice address at 403 Princeton RD, Johnson City, TN, 37601. Phone: (423) 283-0333. Providers update this record themselves, so call before visiting.

How can I verify Denise S. Sibley, MD's license?

NPPES lists Tennessee license number MD20001, 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 Denise S. Sibley, MD prescribe under Medicare Part D?

In 2024, Denise S. Sibley, MD had 74 Medicare Part D claims for 34 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.