Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mitchell Santiago Hymowitz, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1215565437

Dr. Mitchell Santiago Hymowitz, MD is an Emergency Medicine in Baton Rouge, Louisiana. Graduated from University of Texas Medical School at San Antonio in 2020, 6 years ago. Practices with Our Lady of the Lake Physician Group LLC, a 635-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Louisiana and Washington.

Years since qualifying
6
Trained at
University of Texas Medical School at San Antonio
Licensed in
LA, WA
In the registry since
2020
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5246 Brittany Dr
Baton Rouge, LA 70808-9136
Phone: (225) 757-4142
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2647 S Saint Elizabeth Blvd Ste 215, Gonzales, LA 70737-5020 — (225) 765-5500

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence MD.61421333 (WA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 331237 (LA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 331237 (LA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1215565437
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 1, 2020
Last updated in NPPESNovember 7, 2025
Certification dateNovember 7, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 2020 (6 years in practice)
Group practice Our Lady Of The Lake Physician Group Llc — 635 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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