1. Home
  2. Directory
  3. Texas
  4. Boerne
  5. Internal Medicine
  6. NPI Profile

DR. RONALD ESTEENE SIMS M.D.
NPI 1295851202
Internal Medicine in Boerne, TX

Active since March 21, 2007
1421 S MAIN ST, SUITE 111, BOERNE, TX 78006(830) 249-9995(830) 249-9868 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Ronald Esteene Sims M.d. NPPES

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

DR. RONALD ESTEENE SIMS M.D. (NPI 1295851202) is an individual internal medicine provider in Boerne, Texas, licensed in Texas (G0123) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1295851202
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. RONALD ESTEENE SIMSCredential: M.D.
Location Address1421 S MAIN ST, SUITE 111Boerne, TX 78006-3321
Mailing Address29618 Terra BellaFair Oaks Ranch, TX 78015-4572 · (830) 755-5336
Phone(830) 249-9995
Fax(830) 249-9868
Sole ProprietorNo
Enumeration DateMarch 21, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1295851202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · G0123
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.
1421 S MAIN ST, Boerne, TX 78006
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINC21852TX

Other Providers at the Same Location NPPES 3

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

DR. JUAN FRANCISCO LOYA M.D.
Family Medicine
1421 S MAIN ST, SUITE 111
BOERNE, TX 78006
Kendall County (830) 249-9995
QUALITY ACUTE CARE, PA
Clinic/Center (Urgent Care)
1421 S MAIN ST, SUITE #111
BOERNE, TX 78006
Kendall County (830) 249-9995
DR. GALE GREGORY-LAINE D.O.
Emergency Medicine
1421 S MAIN ST, SUITE 111
BOERNE, TX 78006
Kendall County (830) 249-9995

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 Ronald Sims's NPI number?

The NPI number for Ronald Sims is 1295851202. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is Ronald Sims located?

Ronald Sims practices at 1421 S Main St Suite 111, Boerne, TX 78006. The listed phone number is (830) 249-9995.

What is Ronald Sims'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 Ronald Sims was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.