Oviedo; Ashlawn Consulting; Ashlawn Consulting. Forensic Psychiatry • 1 Provider. 650 S Central Ave Ste 1000, Oviedo FL, 32765. Make an Appointment ... you get a recording from Dr Birkmeyer telling you to make an appointment through the patient portal. The problem with that is that when you get there, there is nowhere to go to make one. The ....