Timothy A. Nash, M.D.
Internal Medicine Physician · Lewisburg, TN
Timothy A. Nash, M.D. is an internal medicine physician with a practice address in Lewisburg, Tennessee, and NPI 1851407548, issued on Aug 22, 2006. Check the license (Tennessee 17374, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Timothy A. Nash
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 17374 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1090 N Ellington Pkwy, Lewisburg, TN 37091
- Phone
- (931) 359-0019
- Enumerated
- Aug 22, 2006
- Record last updated
- Oct 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (931) 359-7381
- Medicaid IDs
- 3710089 TN
3034314 TN
3710081 TN - Medicare enrollment
- Enrolled (PECOS I20051019001121); may accept Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 1090 N Ellington Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Douglas, FNP-BCFamily Nurse Practitioner1730566175
- Amelia Haselden, MMSC, PTPhysical Therapist1861519100
- Kimberly Hill, PTPhysical Therapist1881739787
- Amy Maguire, P.T.Physical Therapist1700922440
- Margaret Murdock, FNP-CFamily Nurse Practitioner1528542784
Verify Timothy A. Nash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 17374Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average internal medicine physician in 2024
13,890 Medicare Part D claims for 674 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 229 claims were for opioids.
Most prescribed
- Atorvastatin Calcium788 claims
- Omeprazole462 claims
- Lisinopril450 claims
- Gabapentin438 claims
- Amlodipine Besylate392 claims
- Levothyroxine Sodium382 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $58.86
3 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Maury Regional HospitalLewisburg, TN · Acute Care Hospitals3 of 5 stars
- Maury Regional Medical Group, IncColumbia, TN
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.
Timothy A. Nash among 2,596 internal medicine physician records in Tennessee
Timothy A. Nash, M.D. 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
- Graduated1985 · 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).
Internal Medicine Physician providers in Tennessee
There are 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Lewisburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Benny McKnight, D.O.Lewisburg, TN 370911548332505
- Nageh SolimanLewisburg, TN 370911760127120
- Rene Aguirre, MDLebanon, TN 370871043367931
- Kenneth Anderson, M.D.Lebanon, TN 370871467545541
- Febronia Dawoud, MDLebanon, TN 370871992449755
- Donald Ezuteh, M.D.Lebanon, TN 370871053453795
- Ovidiu Ghita, D.O.Lebanon, TN 370871518228121
- Yehualashet Hailemariam, M.DLebanon, TN 370871174910491
Common questions
What is Timothy A. Nash, M.D.'s NPI number?
Timothy A. Nash, M.D.'s National Provider Identifier (NPI) is 1851407548, issued on Aug 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy A. Nash, M.D. located?
The NPPES record lists a practice address at 1090 N Ellington Pkwy, Lewisburg, TN, 37091. Phone: (931) 359-0019. Providers update this record themselves, so call before visiting.
How can I verify Timothy A. Nash, M.D.'s license?
NPPES lists Tennessee license number 17374, 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 Timothy A. Nash, M.D. prescribe under Medicare Part D?
In 2024, Timothy A. Nash, M.D. had 13,890 Medicare Part D claims for 674 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Timothy A. Nash, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.