NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Guillermo S Ludi, M.D.

Internal Medicine Physician in Gallatin, TN · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1124097126

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Guillermo S Ludi
Credential M.D.
Sex Male
Practice address 1720 Nashville Pike Ste 100, Gallatin, TN, 37066
Phone (615) 230-8601
Fax (615) 230-8670
Enumeration date Mar 14, 2006
Last updated in NPPES May 1, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License ME36942 (TN) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
P00386111 Other TN RR MEDICARE
3879453 Medicaid TN -
P00721873 Other TN RR MEDICARE HENDERSONVILLE LOCATION

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Guillermo Ludi?
The National Provider Identifier (NPI) for Guillermo Ludi is 1124097126, a Type 1 (individual) record in the CMS NPPES registry.
Where does Guillermo Ludi practice?
The practice location on file with NPPES is in Gallatin, TN. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-01.