Barbara Tan King Overbay, MD
Internal Medicine Physician · Mountain Home, TN
Barbara Tan King Overbay, MD is an internal medicine physician with a practice address in Mountain Home, Tennessee, and NPI 1497924047, issued on Feb 28, 2008. Check the license (Tennessee TN25001, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Barbara Tan King Overbay
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- TN25001 TN
Self-reported in NPPES; status is on the state search - Practice location
- Vamc 11-PC, Mountain Home, TN 37684
- Phone
- (423) 926-1171
- Enumerated
- Feb 28, 2008
- Record last updated
- Feb 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (423) 979-3685
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Verify Barbara Tan King Overbay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license TN25001Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
24 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.
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.
Barbara Tan King Overbay among 2,596 internal medicine physician records in Tennessee
Barbara Tan King Overbay, 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 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2008 · 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).
16 internal medicine physician records list a practice address in Mountain Home
They are 16 of the 417 NPPES records with a practice address in Mountain Home, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Mountain Home → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Elena Aguas, MDMountain Home, TN 376841679577043
- Gary Bush, M.D.Mountain Home, TN 376841295790780
- Scott Cooper, M.D.Johnson City, TN 376841285670687
- William Dralle, M.D.Mountain Home, TN 376841073600011
- Chand Kathuria, MDJohnson City, TN 376841336111954
- Vinodini Krishnan, M.DMountain Home, TN 376841184646275
- Joe May, M.D.Mountain Home, TN 376841164466959
- Angela May, M.D.Mountain Home, TN 376841124058482
Common questions
What is Barbara Tan King Overbay, MD's NPI number?
Barbara Tan King Overbay, MD's National Provider Identifier (NPI) is 1497924047, issued on Feb 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Tan King Overbay, MD located?
The NPPES record lists a practice address at Vamc 11-PC, Mountain Home, TN, 37684. Phone: (423) 926-1171. Providers update this record themselves, so call before visiting.
How can I verify Barbara Tan King Overbay, MD's license?
NPPES lists Tennessee license number TN25001, 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 Barbara Tan King Overbay, MD prescribe under Medicare Part D?
In 2024, Barbara Tan King Overbay, MD had 24 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.