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

Dr. Irwin W Tischler, DO

Individual provider Hematology & Oncology Physician · NPI 1336384809

Dr. Irwin W Tischler, DO is a Hematology & Oncology Physician in Phoenix, Arizona. Practices as a sole proprietor. Licensed in Arizona.

Licensed in
AZ
In the registry since
2008
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

4638 E Berneil Dr
Phoenix, AZ 85028-5500
Phone: (602) 538-2200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 2738 (AZ)

Record details

NPI number1336384809
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedDecember 11, 2008
Last updated in NPPESDecember 11, 2008
Mailing address4638 E Berneil Dr, Phoenix, AZ 85028-5500

Other providers in Phoenix