Registry data as of Aug 27, 2026

Timothy Nash, M.D.

Internal Medicine Physician · Lewisburg, TN

Timothy 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1851407548
Name
Timothy 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1090 N Ellington Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Davidson, D.O.Family Medicine Physician1740240902
  2. John Douglas, FNP-BCFamily Nurse Practitioner1730566175
  3. Amelia Haselden, MMSC, PTPhysical Therapist1861519100
  4. Kimberly Hill, PTPhysical Therapist1881739787
  5. Amy Maguire, P.T.Physical Therapist1700922440
  6. Margaret Murdock, FNP-CFamily Nurse Practitioner1528542784

Verify Timothy Nash 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 17374
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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.

  1. Timothy Nash13,890
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium788 claims
  2. Omeprazole462 claims
  3. Lisinopril450 claims
  4. Gabapentin438 claims
  5. Amlodipine Besylate392 claims
  6. 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 Medicare quality score for 2023: 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.

  1. Qualityout of 100 · 30% of the final score68.2
  2. Costout of 100 · 30%54.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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, mostly 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.

  1. Timothy Nash$58.86
  2. Specialty average$1,303.06

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

  1. Maury Regional HospitalLewisburg, TN · Acute Care Hospitals3 of 5 stars
  2. 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.

Internal Medicine Physician providers in Tennessee

There are 2,596 internal medicine physician records in Tennessee.

Other internal medicine physician records in Tennessee

  1. John Aaron, MDClarksville, TN1629019922
  2. Damon Abaray, MDNashville, TN1275680134
  3. Samuel Abbas, MDHixson, TN1497105373
  4. Matthew Abbate, MDNashville, TN1982796306
  5. Sarmed Abdullah, M.D.Lexington, TN1588755359
  6. Temidayo Abe, MDNashville, TN1366947798
  7. Ahad Abid, MDNashville, TN1316500176
  8. Mouna Abouamara, MDJohnson City, TN1447324603
  9. Betty Abraham, MDChattanooga, TN1093923633
  10. Rawan Abu-Zeitoon, M.DKingsport, TN1265621072

Common questions

What is Timothy Nash, M.D.'s NPI number?

Timothy 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 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 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 Nash, M.D. prescribe under Medicare Part D?

In 2024, Timothy 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 Nash, M.D.'s Medicare quality 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), loaded Aug 27, 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) 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 27, 2026.