Dr. Carl William Siegrist , MD
Internal Medicine • Cincinnati, OH
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Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Carl Siegrist has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Carl Siegrist, MD was a registered Internal Medicine practicing in Cincinnati, OH. Throughout an active medical career spanning 19 years, Dr. Siegrist provided care at the practice location at 199 WILLIAM HOWARD TAFT RD until profile deactivation on 2025-08-28.
Practice Location & Contact Primary Location
199 William Howard Taft Rd
Cincinnati, OH 452192103
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Cincinnati, OH
Practicing in Cincinnati, OH (5516 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
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.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Radiology - Radiation Oncology
Doctor of Medicine (M.D.)
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Nurse Practitioner
Certified Nurse Practitioner
Nurse Practitioner - Family
Advanced Practice Registered Nurse
Radiology - Radiation Oncology
Doctor of Medicine (M.D.)
Obstetrics & Gynecology - Gynecologic Oncology
Doctor of Osteopathic Medicine (D.O.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on August 28, 2025
NPI status registered as active in NPPES database
Registered at 199 WILLIAM HOWARD TAFT RD, CINCINNATI, OH 452192103 (Tel: 5137512273)
Registered at 5053 WOOSTER RD, CINCINNATI, OH 452262326 (Tel: 5137512145)
Recorded as CARL SIEGRIST, M.D.
Internal Medicine (License #35-027607 in OH)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
5053 Wooster Rd
Cincinnati, OH 452262326
Phone: 5137512145
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.