NPPES file of Aug 9, 2026

Kay Son, MD

Internal Medicine Physician · Nashville, TN

Kay Son, MD is an internal medicine physician with a practice address in Nashville, Tennessee, and NPI 1992889471, issued on Oct 24, 2006. Check the license (Tennessee MD11290, 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
1992889471
Name
Kay Son
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD11290 TN
11290 TN
Self-reported in NPPES; status is on the state search
Practice location
3413 Nolensville Pike, Nashville, TN 37211
Phone
(615) 333-8383
Enumerated
Oct 24, 2006
Record last updated
Mar 9, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(615) 333-1660
Medicare enrollment
Enrolled (PECOS I20050627001386); 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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Verify Kay Son 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 MD11290
    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

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

290 Medicare Part D claims for 36 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Kay Son290
  2. Specialty average3,176

Most prescribed

  1. Buprenorphine-Naloxone189 claims
  2. Suboxone38 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. Applegate Health Services OF Tennessee, Inc.Nashville, TN

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

Kay Son among 2,596 internal medicine physician records in Tennessee

Kay Son, 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 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 46% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1975 · median 2003 among the 1,705 with a school on file
  • Record last updated2010 · 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).

613 internal medicine physician records list a practice address in Nashville

They are 613 of the 24,357 NPPES records with a practice address in Nashville, and 2,596 internal medicine physician records in Tennessee.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Malek Al Omary, MDNashville, TN 372111790833267
  2. Fawwaz Alkayyali, MDNashville, TN 372111639125560
  3. Said Attoussi, M.D.Nashville, TN 372111225013535
  4. Kehinde Carew, MDNashville, TN 372111447296959
  5. Frederick Junard, MDNashville, TN 372111740288810
  6. Marjorie Lantum, MDNashville, TN 372111669537312
  7. Maria Maples, MDNashville, TN 372111356545842
  8. Shuaib Mohyuddin, M.D.Nashville, TN 372111285682211

Common questions

What is Kay Son, MD's NPI number?

Kay Son, MD's National Provider Identifier (NPI) is 1992889471, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kay Son, MD located?

The NPPES record lists a practice address at 3413 Nolensville Pike, Nashville, TN, 37211. Phone: (615) 333-8383. Providers update this record themselves, so call before visiting.

How can I verify Kay Son, MD's license?

NPPES lists Tennessee license number MD11290, 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 Kay Son, MD prescribe under Medicare Part D?

In 2024, Kay Son, MD had 290 Medicare Part D claims for 36 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.