William Anthony Lizarraga, M.D.
Internal Medicine Physician · Nashville, TN
William Anthony Lizarraga, M.D. is an internal medicine physician with a practice address in Nashville, Tennessee, and NPI 1538385091, issued on Apr 17, 2007. Check the license (Tennessee 44341, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Anthony Lizarraga
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 44341 TN
LP00025 RI
Self-reported in NPPES; status is on the state search - Practice location
- 2400 Patterson St, Nashville, TN 37203
- Phone
- (615) 342-5900
- Enumerated
- Apr 17, 2007
- Record last updated
- May 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (615) 342-5912
- Medicare enrollment
- Enrolled (PECOS I20090623000783); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2005
- 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 2400 Patterson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cala Ballentine, MP-C RNFamily Nurse Practitioner1396160115
Verify William Anthony Lizarraga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 44341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average internal medicine physician in 2024
8,043 Medicare Part D claims for 568 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 71 claims were for opioids.
Most prescribed
- Atorvastatin Calcium468 claims
- Amlodipine Besylate383 claims
- Rosuvastatin Calcium353 claims
- Levothyroxine Sodium235 claims
- Pantoprazole Sodium219 claims
- Duloxetine Hcl203 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,386.00
199 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Bills Medicare through one group practice
- Columbia Medical Group - The Frist Clinic IncNashville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Anthony Lizarraga among 2,596 internal medicine physician records in Tennessee
William Anthony Lizarraga, 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 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2005 · median 2003 among the 1,705 with a school on file
- Record last updated2012 · 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 William Anthony Lizarraga, M.D.'s NPI number?
William Anthony Lizarraga, M.D.'s National Provider Identifier (NPI) is 1538385091, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Anthony Lizarraga, M.D. located?
The NPPES record lists a practice address at 2400 Patterson St, Nashville, TN, 37203. Phone: (615) 342-5900. Providers update this record themselves, so call before visiting.
How can I verify William Anthony Lizarraga, M.D.'s license?
NPPES lists Tennessee license number 44341, 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 William Anthony Lizarraga, M.D. prescribe under Medicare Part D?
In 2024, William Anthony Lizarraga, M.D. had 8,043 Medicare Part D claims for 568 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is William Anthony Lizarraga, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.