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

Dr. Ruth S Horowitz, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1003811423

Dr. Ruth S Horowitz, MD is an Endocrinology in Timonium, Maryland. Graduated from University of Cincinnati College of Medicine in 1988, 38 years ago. Practices with Privia Medical Group, LLC, a 1,518-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
38
Trained at
University of Cincinnati College of Medicine
Licensed in
MD
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1 Texas Station Ct
Timonium, MD 21093-8286
Phone: (410) 828-7417
Fax: (410) 828-4695
Show map & directions

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

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence D45811 (MD)

Record details

NPI number1003811423
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2005
Last updated in NPPESMay 9, 2025
Mailing address1 Texas Station Ct Suite 300, Suite 300, Timonium, MD 21093-8286

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Medical schoolUNIVERSITY OF CINCINNATI COLLEGE OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Privia Medical Group, Llc — 1518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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