> > > > Dr. Joseph Holahan, MD
Dr. Joseph R Holahan MD is a male Internist, has 37 years of experience and practices in Internal Medicine, Hematology, and Hematology & Oncology.
Dr. Joseph Holahan has 18 office locations.
Northwest Side
South Tx Oncology & Hematology
4383 Medical Dr
San Antonio, TX 78229

Phone Number
Locations and availability (18)
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

No reviews yet…
be the first!

Specialties & Research

Dr. Joseph Holahan, MD is board certified in Internal Medicine and Hematology.

  • He has special expertise in 7 areas:
  • Anemia
  • Chronic B-Cell Lymphocytic Leukemia
  • Leukemia
  • Lymphoma
  • Multiple Myeloma (Cancer of Plasma Cells)
  • Myelodysplastic Syndromes
  • Myeloproliferative Disorders

Education & Awards

Dr. Holahan graduated from University of Florida, Gainesville.


Dr. Holahan has 16 hospital affiliations:

  • Texas Heart Hospital 
  • Methodist Specialty & Transplant Hospital 

Accepted Insurance Plans

Dr. Holahan accepts these health insurances in at least one office:

  • Great-West Healthcare - 2 plans
  • Unicare - 2 plans
  • Blue Cross Blue Shield of Texas - 2 plans
  • Superior Health Plan - 6 plans
  • Scott and White Health Plan - 2 plans
  • Humana - 3 plans
  • USA H & W Network - 1 plan
  • United Healthcare - 2 plans
  • Cigna - 2 plans


  • Spanish

Similar doctors nearby

Dr. Muralidhar Beeram

Internal Medicine
16 years experience
San Antonio, TX

Dr. Anthony Tolcher

Internal Medicine
24 years experience
San Antonio, TX

Dr. Kyriakos Papadopoulos

Internal Medicine
25 years experience
San Antonio, TX

Dr. Lon Smith

Internal Medicine
31 years experience
San Antonio, TX

Dr. Steven Kalter

Internal Medicine
32 years experience
San Antonio, TX

Dr. William Craig

Internal Medicine
35 years experience
San Antonio, TX
Search All Similar Doctors
Additional Information
Where does Dr. Joseph R. Holahan practice?
Dr. Joseph Holahan practices Internal Medicine, Hematology, and Hematology & Oncology near San Antonio, TX.
Additional practice locations include: Bandera, TX and Boerne, TX.
See San Antonio Internists, San Antonio Hematologists, and San Antonio Oncologists.