Mara Horwitz, MD

Rheumatology

13+ years in practiceNPI: 1649613332Licensed in MO

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Credentials & Recognition

Specialties

Rheumatology

NPI sub-specialties

Pediatrics, Pediatric Rheumatology2080P0216X

Student in an Organized Health Care Education/Training Program390200000X

Internal Medicine, Rheumatology207RR0500X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

13+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#51

Top Rheumatologists in Missouri, 2026

Rheumatology · Missouri · 2026

Frequently Asked Questions about Dr. Mara Horwitz, MD

Where does Dr. Mara Horwitz, MD practice?+
Dr. Mara Horwitz, MD practices in Missouri, MO. 1225 S GRAND BLVD SAINT LOUIS, MO 631041016.
What is Dr. Mara Horwitz, MD's phone number?+
Dr. Mara Horwitz, MD's practice phone is 314-977-8833. Office contact information is verified on the PBCMMG profile.
What does Dr. Mara Horwitz, MD specialize in?+
Dr. Mara Horwitz, MD's primary specialty is Rheumatology.
Is Dr. Mara Horwitz, MD board certified?+
Board certification status for Dr. Mara Horwitz, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Mara Horwitz, MD been practicing?+
Dr. Mara Horwitz, MD has been in active practice for 13+ years, based on NPI enumeration and state licensing records.
What is Dr. Mara Horwitz, MD's NPI number?+
Dr. Mara Horwitz, MD's National Provider Identifier (NPI) is 1649613332, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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