# Lauren Flandrich – Cal.com booking page > Physician Assistant Booking page: https://extension-health.cal.com/lflandrich ## Event types - [Consultation - Longevity (existing patient)](https://extension-health.cal.com/lflandrich/longevity-consultation-follow-up): 60 min, confirmed instantly, event type id 4131703. If you need to cancel, kindly do so at least 24 hours in advance to avoid a cancellation fee. You can reach us by text at 929-556-6647 or email at concierge@extension.health. To help us stay on schedule, please arrive 10 minutes prior to your appointment time. Details: https://extension-health.cal.com/lflandrich/longevity-consultation-follow-up.md - [Consultation - Peptides (existing patient)](https://extension-health.cal.com/lflandrich/peptide-consultation-follow-up): 30 min, confirmed instantly, event type id 4050905. If you need to cancel, kindly do so at least 24 hours in advance to avoid a cancellation fee. You can reach us by text at 929-556-6647 or email at concierge@extension.health. To help us stay on schedule, please arrive 10 minutes prior to your appointment time. Details: https://extension-health.cal.com/lflandrich/peptide-consultation-follow-up.md - [Consultation - Peptides (new patient)](https://extension-health.cal.com/lflandrich/peptide-consultation-new-patient): 30 min, confirmed instantly, event type id 4050906. If you need to cancel, kindly do so at least 24 hours in advance to avoid a cancellation fee. You can reach us by text at 929-556-6647 or email at concierge@extension.health. To help us stay on schedule, please arrive 10 minutes prior to your appointment time. Details: https://extension-health.cal.com/lflandrich/peptide-consultation-new-patient.md - [Consultation - Ketamine Troche Appointment](https://extension-health.cal.com/lflandrich/ketamine-troche-refill-appointment): 30 min, confirmed instantly, event type id 4052347. If you need to cancel, kindly do so at least 24 hours in advance to avoid a cancellation fee. You can reach us by text at 929-556-6647 or email at concierge@extension.health. Details: https://extension-health.cal.com/lflandrich/ketamine-troche-refill-appointment.md - [Consultation - Longevity (new patient)](https://extension-health.cal.com/lflandrich/longevity-consultation-new-patient): 60 min, confirmed instantly, event type id 4131698. If you need to cancel, kindly do so at least 24 hours in advance to avoid a cancellation fee. You can reach us by text at 929-556-6647 or email at concierge@extension.health. To help us stay on schedule, please arrive 10 minutes prior to your appointment time. Details: https://extension-health.cal.com/lflandrich/longevity-consultation-new-patient.md - [30 Min Meeting](https://extension-health.cal.com/lflandrich/30min): 30 min, confirmed instantly, event type id 3951840. Details: https://extension-health.cal.com/lflandrich/30min.md - [15 Min Meeting](https://extension-health.cal.com/lflandrich/15min): 15 min, confirmed instantly, event type id 3951841. Details: https://extension-health.cal.com/lflandrich/15min.md ## Check availability ```http GET https://api.cal.com/v2/slots?eventTypeId=&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone= cal-api-version: 2024-09-04 ``` The response is `{"data":{"YYYY-MM-DD":[{"start":""}]}}`; no API key is needed. ## Book Each event type's `.md` document lists its required booking fields and the `POST https://api.cal.com/v2/bookings` request (`cal-api-version: 2026-02-25`). ## More - API docs: https://cal.com/docs/api-reference/v2/introduction