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

Dr. Hassan Ali Hassan, MD

Individual provider Hematology & Oncology Physician · NPI 1285862185

Dr. Hassan Ali Hassan, MD is a Hematology/Oncology in St Augustine, Florida. Graduated from Southern Illinois University School of Medicine in 2009, 17 years ago. Practices with Mercy Clinic Joplin LLC, a 295-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
17
Trained at
Southern Illinois University School of Medicine
Licensed in
FL
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

121 Whitehall Dr
St Augustine, FL 32086-5266
Phone: (904) 825-4500
Fax: (904) 825-3672
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence ME124175 (FL)

Record details

NPI number1285862185
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 30, 2009
Last updated in NPPESApril 25, 2022
Certification dateApril 25, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Mercy Clinic Joplin Llc — 295 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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