Katie Marie Masters, DO
Internal Medicine Physician · Kingsport, TN
Katie Marie Masters, DO is an internal medicine physician with a practice address in Kingsport, Tennessee, and NPI 1972232676, issued on Jun 8, 2022. Check the license (Tennessee 6356, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katie Marie Masters
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 6356 TN
Self-reported in NPPES; status is on the state search - Practice location
- 4 Sheridan SQ Ste 200, Kingsport, TN 37660
- Phone
- (423) 246-7931
- Enumerated
- Jun 8, 2022
- Record last updated
- Sep 3, 2025
- Fax
- (423) 246-1906
- Medicare enrollment
- Enrolled (PECOS I20250915003947); accepts Medicare assignment
- Medical or professional school
- Edward Via Col Of Osteo Medicine-Carolinas Campus, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 4 Sheridan SQ Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joel Danisi, M.D.Internal Medicine Physician1972529683
- Mathew Finniss, M.D.Infectious Disease Physician1346773793
- Dan FrechtlingInternal Medicine Physician1609455567
- Angela Harless, FNPFamily Nurse Practitioner1962020750
- Taif Khattak, MDHospitalist Physician1679208078
Verify Katie Marie Masters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 6356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average internal medicine physician in 2024
996 Medicare Part D claims for 134 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Amlodipine Besylate64 claims
- Gabapentin56 claims
- Atorvastatin Calcium48 claims
- Rosuvastatin Calcium37 claims
- Albuterol Sulfate Hfa36 claims
- Pantoprazole Sodium35 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
- Medical Education Assistance CorporationKingsport, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katie Marie Masters among 2,596 internal medicine physician records in Tennessee
Katie Marie Masters, DO 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 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2022 · median 2003 among the 1,705 with a school on file
- Record last updated2025 · 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).
57 internal medicine physician records list a practice address in Kingsport
They are 57 of the 1,986 NPPES records with a practice address in Kingsport, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Kingsport → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Srinivas Ananthula, MDKingsport, TN 376601992706931
- Melania Bochis, MDKingsport, TN 376601083607329
- Marian Chamberlin, MDKingsport, TN 376601831182120
- Anthony Everhart, MDKingsport, TN 376601972505279
- David Franzus, M.D.Kingsport, TN 376601366425498
- David Ginn, MDKingsport, TN 376601669465662
- James Louthan, MDKingsport, TN 376601477556157
- Vitaly Nazarov, MDKingsport, TN 376601760469084
Common questions
What is Katie Marie Masters, DO's NPI number?
Katie Marie Masters, DO's National Provider Identifier (NPI) is 1972232676, issued on Jun 8, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katie Marie Masters, DO located?
The NPPES record lists a practice address at 4 Sheridan SQ Ste 200, Kingsport, TN, 37660. Phone: (423) 246-7931. Providers update this record themselves, so call before visiting.
How can I verify Katie Marie Masters, DO's license?
NPPES lists Tennessee license number 6356, 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 Katie Marie Masters, DO prescribe under Medicare Part D?
In 2024, Katie Marie Masters, DO had 996 Medicare Part D claims for 134 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.