Dr. Johan M Diaz , MD
Internal Medicine • Miami Beach, FL
Professional Overview & Biography Verified Profile Summary
Dr. Johan Diaz, MD is a registered healthcare professional specializing in Internal Medicine in Miami Beach, FL. Practice services are available at 4300 ALTON RD under active NPI credentials.
Practice Location & Contact Primary Location
4300 Alton Rd
Miami Beach, FL 331402948
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Miami Beach, FL
Practicing in Miami Beach, FL (10650 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-06-12NUCC 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
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 Medicine (M.D.)
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
Student in an Organized Health Care Education/Training Program
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Internal Medicine (License #ME180996 in FL)
NPI status registered as active in NPPES database
Registered at 4300 ALTON RD, MIAMI BEACH, FL 331402948 (Tel: 3056742053)
Registered at 4300 ALTON RD, MIAMI BEACH, FL 331402948 (Tel: 3056742053)
Recorded as JOHAN DIAZ, MD
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
4300 Alton Rd
Miami Beach, FL 331402948
Phone: 3056742053
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.