Dr. Charles James Casa , DO
Internal Medicine • Lancaster, OH
Professional Overview & Biography Verified Profile Summary
Dr. Charles Casa, DO is a registered healthcare professional specializing in Internal Medicine in Lancaster, OH. Practice services are available at 135 N EWING ST under active NPI credentials.
Practice Location & Contact Primary Location
135 N Ewing St
Lancaster, OH 431303382
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Lancaster, OH
Practicing in Lancaster, OH (5516 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2025-05-13NUCC 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
Internal Medicine
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Doctor of Osteopathic Medicine (D.O.)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Osteopathic Medicine (D.O.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 135 N EWING ST, LANCASTER, OH 431303382 (Tel: 7406878397)
Registered at 135 N EWING ST, LANCASTER, OH 431303382 (Tel: 7406878397)
Recorded as CHARLES CASA, DO
Internal Medicine (License #58.035197 in OH)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
135 N Ewing St
Lancaster, OH 431303382
Phone: 7406878397
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