Guillermo S. Ludi, M.D.
Internal Medicine Physician · Gallatin, TN
Guillermo S. Ludi, M.D. is an internal medicine physician with a practice address in Gallatin, Tennessee, and NPI 1124097126, issued on Mar 14, 2006. Check the license (Tennessee ME36942, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Guillermo S. Ludi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME36942 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1720 Nashville Pike Ste 100, Gallatin, TN 37066
- Phone
- (615) 230-8601
- Enumerated
- Mar 14, 2006
- Record last updated
- May 1, 2024
- Fax
- (615) 230-8670
- Medicaid ID
- 3879453 TN
- Medicare enrollment
- Enrolled (PECOS I20060728000313); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1720 Nashville Pike Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Enrique Cardenas Ramos, M.D.Family Medicine Physician1760821953
- Sanford Lax, MDFamily Medicine Physician1871570903
- Ellen Meador, PAPhysician Assistant1437604394
Verify Guillermo S. Ludi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license ME36942Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,582 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 14% of claims. 344 claims were for opioids.
Most prescribed
- Atorvastatin Calcium547 claims
- Gabapentin485 claims
- Levothyroxine Sodium429 claims
- Lisinopril416 claims
- Rosuvastatin Calcium370 claims
- Amlodipine Besylate331 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: $1,477.12
86 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
- Portland Primary Care, LLCGallatin, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 internal medicine physician records list a practice address in Gallatin
They are 19 of the 898 NPPES records with a practice address in Gallatin, and 2,596 internal medicine physician records in Tennessee.
All 19 in Gallatin → All 2,596 in Tennessee → Every provider in Gallatin →
Other internal medicine physician records in Tennessee
- John Aaron, MDClarksville, TN1629019922
- Damon Abaray, MDNashville, TN1275680134
- Samuel Abbas, MDHixson, TN1497105373
- Matthew Abbate, MDNashville, TN1982796306
- Sarmed Abdullah, M.D.Lexington, TN1588755359
- Temidayo Abe, MDNashville, TN1366947798
- Ahad Abid, MDNashville, TN1316500176
- Mouna Abouamara, MDJohnson City, TN1447324603
- Betty Abraham, MDChattanooga, TN1093923633
- Rawan Abu-Zeitoon, M.DKingsport, TN1265621072
Common questions
What is Guillermo S. Ludi, M.D.'s NPI number?
Guillermo S. Ludi, M.D.'s National Provider Identifier (NPI) is 1124097126, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guillermo S. Ludi, M.D. located?
The NPPES record lists a practice address at 1720 Nashville Pike Ste 100, Gallatin, TN, 37066. Phone: (615) 230-8601. Providers update this record themselves, so call before visiting.
How can I verify Guillermo S. Ludi, M.D.'s license?
NPPES lists Tennessee license number ME36942, 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 Guillermo S. Ludi, M.D. prescribe under Medicare Part D?
In 2024, Guillermo S. Ludi, M.D. had 11,582 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 Guillermo S. Ludi, 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.