Kenji Ryan Kobayashi, MD
Otolaryngology Physician · Nashville, TN
Kenji Ryan Kobayashi, MD is an otolaryngology physician with a practice address in Nashville, Tennessee, and NPI 1124522206, issued on Mar 22, 2018. Check the license (Tennessee 67622, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kenji Ryan Kobayashi
- Credential
- MD
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 67622 TN
U9573 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3601 The Vanderbilt Clinic, Nashville, TN 37232
- Phone
- (615) 322-5000
- Enumerated
- Mar 22, 2018
- Record last updated
- Sep 9, 2025
- Medicaid IDs
- Q083205 TN
7100901690 KY - Medicare enrollment
- Enrolled (PECOS I20230614000220); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 199 in Tennessee → Look up another NPI →
Also registered at 3601 The Vanderbilt Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kenji Ryan Kobayashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 67622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average otolaryngology physician in 2024
129 Medicare Part D claims for 53 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 17 claims were for opioids.
Most prescribed
- Ipratropium Bromide16 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.
One hospital affiliation
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kenji Ryan Kobayashi among 199 otolaryngology physician records in Tennessee
Kenji Ryan Kobayashi, MD is one of 199 otolaryngology physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 88% of them.
- NPI issued2018 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2018 · median 2004 among the 147 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Tennessee
There are 199 otolaryngology physician records in Tennessee.
All 199 in Tennessee → Every provider in Nashville → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Rakesh Chandra, M.D.Nashville, TN 372321255389623
- James Duncavage, MDNashville, TN 372321366534794
- Kenneth Fletcher, M.D.Nashville, TN 372321477575876
- Catherine Garrett, MDNashville, TN 372321366541799
- Young Kim, M.D., PH.D.Nashville, TN 372321891736872
- Kyle Mannion, M.D.Nashville, TN 372321104031053
- James Netterville, MDNashville, TN 372321457443889
- Robert Ossoff, MDNashville, TN 372321548352974
Common questions
What is Kenji Ryan Kobayashi, MD's NPI number?
Kenji Ryan Kobayashi, MD's National Provider Identifier (NPI) is 1124522206, issued on Mar 22, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Kenji Ryan Kobayashi, MD located?
The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 322-5000. Providers update this record themselves, so call before visiting.
How can I verify Kenji Ryan Kobayashi, MD's license?
NPPES lists Tennessee license number 67622, 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 Kenji Ryan Kobayashi, MD prescribe under Medicare Part D?
In 2024, Kenji Ryan Kobayashi, MD had 129 Medicare Part D claims for 53 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.