Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

CARSWELL FREDRICK LEIS MD
NPI 1639095300
Internal Medicine in Charleston, SC

Active since June 26, 2026
169 ASHLEY AVE RM 202, CHARLESTON, SC 29425(843) 792-2731 Get Directions Write a Review

NPPES record added: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Carswell Fredrick Leis Md NPPES

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

CARSWELL FREDRICK LEIS MD (NPI 1639095300) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (MMD.97423.LL) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1639095300
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCARSWELL FREDRICK LEISCredential: MD
Location Address169 ASHLEY AVE RM 202Charleston, SC 29425-8905
Mailing Address169 Ashley Ave Rm 202, Main Hospital Msc333Charleston, SC 29425-8905 · (843) 792-2731
Sole ProprietorNo
Enumeration DateJune 26, 2026
NPPES CertifiedJune 26, 2026
NPI 1639095300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in SC · MMD.97423.LL
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.
169 ASHLEY AVE RM 202, Charleston, SC 29425

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.

Surgery
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Pediatrics
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Radiology (Diagnostic Radiology)
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Anesthesiology
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Internal Medicine
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Internal Medicine (Clinical Cardiac Electrophysiology)
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425

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 Carswell Leis's NPI number?

The NPI number for Carswell Leis is 1639095300. It was assigned to this individual provider in the NPPES registry on June 26, 2026.

Where is Carswell Leis located?

Carswell Leis practices at 169 Ashley Ave Rm 202, Charleston, SC 29425. The listed phone number is (843) 792-2731.

What is Carswell Leis'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 Carswell Leis was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 days 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.