Peter O'Brien, Nurse Practitioner
IV therapy in Old Town Temecula.
Ten years in critical care. Six of them in an ICU.
Walk in at 28282 Old Town Front St — no appointments needed, no group minimum, from $135. Plus testosterone replacement and medical weight loss by telehealth across California.
How fast do you need help?
Some of what we do happens the same morning you call. Some of it starts with bloodwork and takes a few weeks to get right. Here's the honest timeline.
Today, usually within the hour
From $135
28282 Old Town Front St. No appointments needed, no minimum. Open Mon–Sat 9am–5pm, Sun 8am–1pm.
Weddings, bachelorette weekends, corporate teams, wine tours. Book ahead — spring and autumn weekends fill.
This week
Prescription weight management with real follow-up. Medication ships to your door.
Labs first, then a plan
Baseline bloodwork, proper dosing, ongoing monitoring. No one should put you on testosterone without all three.
Why is an IV better than a rehydration drink?
Swallow a vitamin and it lands in your stomach, gets broken down, then passes through your liver before any of it reaches your blood. That's the first-pass effect, and it means you absorb a fraction of what you took.
An IV skips both steps. You reach concentrations you simply cannot get orally. Many patients report feeling noticeably better after IV therapy. Every person responds differently, so results can vary.
Where to find us
- The Old Town clinic, no appointments needed
- Hotels and Airbnbs
- Wedding and event venues
- Offices and corporate teams
- Your own house
The medication is the easy part.
Most programs hand you a pen and a monthly charge. We start with bloodwork, because several of the things that make weight genuinely hard to shift — thyroid, insulin, testosterone — are measurable. If one of those is driving it, medication on its own is treating the wrong problem.
Then there's the follow-up, which is the part that usually goes missing. Dose adjustments, side effects, and what's actually happening week to week rather than a number on a scale once a quarter.
Medication included, shipped to your door, by telehealth anywhere in California. · How medical weight loss works
On testosterone, since you'll want to know where we stand.
It can be very safe when it's prescribed appropriately, monitored carefully and tailored to the individual. The difference isn't the medication — it's whether anyone is actually watching your bloodwork.
Plenty of clinics will put you on testosterone after a form and a credit card. We won't. Some men shouldn't be on it at all, and you deserve to know which group you're in before you start.
Who you're actually talking to
Peter O'Brien is a board-certified family nurse practitioner. He spent six years in an intensive care unit and eight in urgent care before opening GoTime Health & IV.
That matters more than it sounds. He can evaluate you, order your labs, read them, and write your prescription himself.
- Board certificationAmerican Association of Nurse Practitioners
- California RNLicensed
- Nurse practitionerLicensed
- Master of Science in NursingSimmons, 2015
Many patients report feeling noticeably better after IV therapy. Every person responds differently, so results can vary. Our goal is to provide safe, thoughtful care with realistic expectations.Peter O'Brien, NP — on IV therapy