Nathaniel Der-Lin Kwok, MD
Internal Medicine Physician · Nashville, TN
Nathaniel Der-Lin Kwok, MD is an internal medicine physician with a practice address in Nashville, Tennessee, and NPI 1396494555, issued on Mar 23, 2022. Check the license on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Der-Lin Kwok
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME173717 FL
Self-reported in NPPES; status is on the state search - Practice location
- 2300 Patterson St, Nashville, TN 37203
- Phone
- (615) 342-3966
- Enumerated
- Mar 23, 2022
- Record last updated
- Nov 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20251029001010); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 2300 Patterson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katherine AwhStudent in an Organized Health Care Education/Training Program1821857079
- Nader Bahri, M.D.Internal Medicine Physician1588899082
Verify Nathaniel Der-Lin Kwok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
203 Medicare Part D claims for 47 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% 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.
Bills Medicare through one group practice
- Jupiter Internal Medicine Associates PAJupiter, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Der-Lin Kwok among 2,596 internal medicine physician records in Tennessee
Nathaniel Der-Lin Kwok, 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 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).
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.
All 2,596 in Tennessee → Every provider in Nashville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Allen, MDNashville, TN 372031316933955
- John Anderson, MDNashville, TN 372031003801788
- Deepinder Bal, MDNashville, TN 372031376538207
- Dana Bannerman, MDNashville, TN 372031649274515
- Matthew Beuter, MDNashville, TN 372031992790091
- Robert Johnson, MDNashville, TN 372031003801143
- Louis Johnson, MDNashville, TN 372031245225937
- Richard Martin, MDNashville, TN 372031225023914
Common questions
What is Nathaniel Der-Lin Kwok, MD's NPI number?
Nathaniel Der-Lin Kwok, MD's National Provider Identifier (NPI) is 1396494555, issued on Mar 23, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Der-Lin Kwok, MD located?
The NPPES record lists a practice address at 2300 Patterson St, Nashville, TN, 37203. Phone: (615) 342-3966. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Der-Lin Kwok, MD's license?
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 Nathaniel Der-Lin Kwok, MD prescribe under Medicare Part D?
In 2024, Nathaniel Der-Lin Kwok, MD had 203 Medicare Part D claims for 47 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.