Barthelmes Conservatory in Tulsa OK Advertisement Barthelmes Conservatory 907 S Detroit Ave Tulsa, OK 74120 (918) 794-0330 Listed On These Pages: Local LifeSchoolsSpecialty Schools Related Listings Barthelmes Conservatory -- 708 S Boston Ave Tulsa, OK 74119 (918) 794-0330 Advanced Search Keyword: Name: Address: City: City: Select State Oklahoma Zip Code: