DR. MITCHELL SANTIAGO HYMOWITZ MD
NPI 1215565437
Internal Medicine - Critical Care Medicine in Baton Rouge, LA
About Dr. Mitchell Santiago Hymowitz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MITCHELL SANTIAGO HYMOWITZ MD (NPI 1215565437) is an individual critical care medicine provider in Baton Rouge, Louisiana, licensed in Washington (MD.61421333) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and is a graduate of University Of Texas Medical School At San Antonio (2020).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Mitchell Santiago Hymowitz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Our Lady Of The Lake Regional Medical Center
Acute Care Hospitals · Baton Rouge, LABaton Rouge General Medical Center
Acute Care Hospitals · Baton Rouge, LAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
BATON ROUGE, LA 70808
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 Mitchell Hymowitz's NPI number?
The NPI number for Mitchell Hymowitz is 1215565437. It was assigned to this individual provider in the NPPES registry on April 1, 2020.
Where is Mitchell Hymowitz located?
Mitchell Hymowitz practices at 5246 Brittany Dr, Baton Rouge, LA 70808. The listed phone number is (225) 757-4142.
What is Mitchell Hymowitz's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Mitchell Hymowitz enrolled in Medicare?
Yes. Mitchell Hymowitz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Mitchell Hymowitz accept?
Health plans from CHRISTUS Health Plan and HMO Louisiana list Mitchell Hymowitz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mitchell Hymowitz affiliated with any hospitals?
According to CMS data, Mitchell Hymowitz is affiliated with Our Lady Of The Lake Regional Medical Center and Baton Rouge General Medical Center.
When was this NPI record last updated?
The NPPES record for Mitchell Hymowitz was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Mitchell Santiago Hymowitz, MD · NPI 1215565437
Critical Care Medicine physician in Baton Rouge, Louisiana. Individual provider, active in the CMS NPPES registry since April 1, 2020.
## Identity
- **NPI:** 1215565437 (Entity type: Individual)
- **Enumerated:** April 1, 2020
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** MD.61421333 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 5246 BRITTANY DR, Baton Rouge, LA 70808-9136
- **Phone:** (225) 757-4142
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2020
## Record status
- **NPPES last updated:** November 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215565437) · Data from the CMS NPPES public registry.