MR. LEANDRO CAETANO SASSER M.D
NPI 1376487215
Internal Medicine in Stillwater, OK

Active since April 20, 2026
1323 W 6TH AVE, STILLWATER, OK 74074(405) 372-1480 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Leandro Caetano Sasser M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. LEANDRO CAETANO SASSER M.D (NPI 1376487215) is an individual internal medicine provider in Stillwater, Oklahoma, licensed in Oklahoma (47870) and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1376487215
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. LEANDRO CAETANO SASSERCredential: M.D
Location Address1323 W 6TH AVEStillwater, OK 74074-4399
Mailing Address222 N Main StPerkins, OK 74059-3630
Sole ProprietorNo
Enumeration DateApril 20, 2026
NPPES CertifiedMarch 24, 2026
NPI 1376487215 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in OK · 47870
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1323 W 6TH AVE, Stillwater, OK 74074

Other Names 1

Former Name (1)Mr. Leandro Caetano Santos M.d

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1323 W 6TH AVE
STILLWATER, OK 74074
Nurse Practitioner (Primary Care)
1323 W 6TH AVE
STILLWATER, OK 74074
Nurse Practitioner
1323 W 6TH AVE
STILLWATER, OK 74074
Anesthesiology
1323 W 6TH AVE
STILLWATER, OK 74074
Physical Therapist
1323 W 6TH AVE
STILLWATER, OK 74074
Anesthesiology
1323 W 6TH AVE
STILLWATER, OK 74074
Student in an Organized Health Care Education/Training Program
1323 W 6TH AVE
STILLWATER, OK 74074
Emergency Medicine
1323 W 6TH AVE
STILLWATER, OK 74074

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leandro Sasser's NPI number?

The NPI number for Leandro Sasser is 1376487215. It was assigned to this individual provider in the NPPES registry on April 20, 2026. The provider is also known as Mr. Leandro Caetano Santos M.D.

Where is Leandro Sasser located?

Leandro Sasser practices at 1323 W 6th Ave, Stillwater, OK 74074. The listed phone number is (405) 372-1480.

What is Leandro Sasser's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Leandro Sasser was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.