Yes.
You need a simple CRM — and you've already designed it.
What's really going on
You have leads landing from Meta, Instagram, Google, referrals, and events, and a Customer Care team already juggling them in WhatsApp. The pain is real: no shared memory, no follow-up queue, admins reopening old chats to find a child's age or branch. But your spec — Hot/Warm/Cold, eleven journey statuses, medical-vs-sales carve-outs — is a mature CRM for a clinic that hasn't run a basic pipeline yet. Build the Ferrari now and your admins will quietly go back to WhatsApp.
What to do instead
- Zoho Bigin (free for 1 user, low per-user after — India-priced, works in ID) — one pipeline, custom fields for age, patient category, branch, source, next follow-up date. Start with 4 stages: New, Contacted, Interested, Booked. Add the other seven later only if a stage earns its keep.
- Google Sheets (free) — for the first two weeks, before Bigin. One row per lead, columns exactly as you listed. If the team won't fill a sheet, they won't fill a CRM either — find that out cheaply.
- Today, in 30 minutes: open Bigin, create the pipeline, add fields for Age, Patient Category (Infant/Child/Adolescent), Branch, and Next Follow-Up Date. Import the last 30 days of WhatsApp inquiries by hand. That import is the test.
What you're being oversold
Skip Respond.io, n8n, and anything that promises WhatsApp automation until the manual pipeline runs for a month — you'll automate chaos otherwise. Skip the eleven-status journey; four stages plus a Hot/Warm/Cold tag covers 90% of what you described. The cost of doing nothing isn't a number I'll invent for you — it's the warm lead who asked about a Saturday slot, got no follow-up on Thursday, and booked at the clinic down the road. You already know that lead exists.
When to revisit this
When your admins are filling Bigin daily without being reminded, and you can name three leads that booked because of a scheduled follow-up — then add WhatsApp API, journey statuses, and automation.
The part worth getting right
The one call that decides everything: are your admins going to actually log leads outside WhatsApp, or not? If yes, Bigin works and your spec unfolds over six months. If no — if the team will keep living in WhatsApp threads — then a CRM is the wrong first move and you need WhatsApp itself to become the record (shared inbox, tags, assignments). Same clinic, same leads, two completely different tools. Get this wrong and you'll pay for a CRM nobody opens, or you'll wire up WhatsApp automation on top of a process that still lives in one admin's head. Which one is Sunatman today?