NPPES file of Aug 9, 2026

Chambless Rand Johnston, MD

Internal Medicine Physician · Johnson City, TN

Chambless Rand Johnston, MD is an internal medicine physician with a practice address in Johnson City, Tennessee, and NPI 1790972628, issued on Sep 25, 2007. Check the license (Tennessee 45404, 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
1790972628
Name
Chambless Rand Johnston
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
45404 TN
0101246390 VA
Self-reported in NPPES; status is on the state search
Practice location
2408 Susannah St, Johnson City, TN 37601
Phone
(423) 434-6677
Enumerated
Sep 25, 2007
Record last updated
Sep 18, 2023
Fax
(423) 461-0000
Medicaid IDs
1790972628 NC
1528827 TN
1790972628 VA
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.
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Also registered at 2408 Susannah St

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

  1. Benjamin Cannon, CPRSAddiction Medicine (Internal Medicine) Physician1275205437
  2. Sheena Cartwright, LMSWSocial Worker1710733761
  3. Judy Clark, BSCase Manager/Care Coordinator1033463435
  4. Regina Collins, BSWSocial Worker1316291719
  5. Lindsey HoopsPharmacist1306500236
  6. Kayla Hyder, BSWCase Manager/Care Coordinator1255685558

Verify Chambless Rand Johnston 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 45404
    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.

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100% fewer Medicare Part D claims than the average internal medicine physician in 2024

12 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Chambless Johnston12
  2. Specialty average3,176

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.

Chambless Rand Johnston among 2,596 internal medicine physician records in Tennessee

Chambless Rand Johnston, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 37% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Yamini Banerjee, M.D.Johnson City, TN 376011548481955
  2. Peter Caravello, MDJohnson City, TN 376011609824226
  3. Dianne Draper, DOJohnson City, TN 376011992749253
  4. Michael Dube, MDJohnson City, TN 376011932185121
  5. Brian Hofung, M.D.Johnson City, TN 376011174587455
  6. Timothy McBride, MDJohnson City, TN 376011013940923
  7. Jared Pack, DOJohnson City, TN 376011396163101
  8. Denise Sibley, MDJohnson City, TN 376011366480709

Common questions

What is Chambless Rand Johnston, MD's NPI number?

Chambless Rand Johnston, MD's National Provider Identifier (NPI) is 1790972628, issued on Sep 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Chambless Rand Johnston, MD located?

The NPPES record lists a practice address at 2408 Susannah St, Johnson City, TN, 37601. Phone: (423) 434-6677. Providers update this record themselves, so call before visiting.

How can I verify Chambless Rand Johnston, MD's license?

NPPES lists Tennessee license number 45404, 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 Chambless Rand Johnston, MD prescribe under Medicare Part D?

In 2024, Chambless Rand Johnston, MD had 12 Medicare Part D claims; 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.