Individual provider · Type 1 NPI

Mark Joseph Fesler, MD

Hematology & Oncology Physician · St. Louis, MO

NPI number 1235204066 Active

Practice location

3655 Vista Ave
St. Louis, MO 63110-2539

Call (314) 977-4340 Map

Fax (314) 773-1167

Specialties and licenses

TaxonomyCodeLicense
Internal Medicine Physician 207R00000X43133 (CO)
Hematology & Oncology Physician Primary 207RH0003X2008029015 (MO)

Hematology & Oncology Physician: An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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About NPI 1235204066

Mark Joseph Fesler, MD's National Provider Identifier is 1235204066, issued on Nov 21, 2006. The primary taxonomy on file is Hematology & Oncology Physician (207RH0003X), and the practice location is in St. Louis, MO. The record was last updated on Mar 29, 2021.