Dr. David Saliba Rayan , DO
Internal Medicine • Schaumburg, IL
Professional Overview & Biography Verified Profile Summary
Dr. David Rayan, DO is a registered healthcare professional specializing in Internal Medicine in Schaumburg, IL. Practice services are available at 804 E WOODFIELD RD STE 300 under active NPI credentials.
Practice Location & Contact Primary Location
804 E Woodfield Rd Ste 300
Schaumburg, IL 601734776
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Schaumburg, IL
Practicing in Schaumburg, IL (7544 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-07-20NUCC 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.
NUCC Taxonomy Code: 207RC0000X
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
NUCC Taxonomy Code: 207RI0011X
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
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.
NUCC Taxonomy Code: 390200000X
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
NUCC Taxonomy Code: 207RC0000X
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Additional State Medicaid & Healthcare Payer Identifiers
Secondary Practice Locations
2900 W Oklahoma Ave
Milwaukee, WI 532154330
Phone: 4146496000
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner - Gerontology
Internal Medicine - Clinical Cardiac Electrophysiology
Doctor of Medicine (M.D.)
Internal Medicine - Clinical Cardiac Electrophysiology
Doctor of Medicine (M.D.)
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Nurse Practitioner - Family
Master of Science in Nursing, Family Nurse Practitioner (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 804 E WOODFIELD RD STE 300, SCHAUMBURG, IL 601734776 (Tel: 8476059500)
Registered at PO BOX 735044, CHICAGO, IL 606735044 (Tel: 4143255244)
Internal Medicine (License #036180992 in IL)
Registered at PO BOX 735044, CHICAOG, IL 606735044 (Tel: 4143255244)
Internal Medicine (License #7435221 in WI)
Registered at 2900 W OKLAHOMA AVE, MILWAUKEE, WI 532154330 (Tel: 4146496000)
NPI status registered as active in NPPES database
Registered at 8701 W WATERTOWN PLANK RD, MILWAUKEE, WI 532263548 (Tel: 4149554575)
Registered at 8701 W WATERTOWN PLANK RD, MILWAUKEE, WI 532263548 (Tel: 4149554575)
Recorded as DAVID RAYAN, DO
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
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NPI Administrative Meta
Mailing Address
Po Box 735044
Chicago, IL 606735044
Phone: 4143255244
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.