Photos: leanlab.la

Lean Lab Regenerative Health & Weight Loss

Unclaimed listing 5.0 (15 Google reviews)Pasadena, CaliforniaB12 shots · Body contouring · Botox · Chemical peels
15of 15 reviews are 5s
15 of 15 reviews are perfect 5sRated 5.0 on Google.
MDphysician on the team
Who's on the teamNamed on their website: Shant Tomassian (MD).
About

About Lean Lab Regenerative Health & Weight Loss

Lean Lab is a Regenerative health and Weight loss clinic in Pasadena, CA specializing in GLP-1 weight loss programs, hormone optimization, peptide therapy, IV therapy, and regenerative aesthetics. We also offer XERF for skin tightening! We offer medically supervised memberships and the most advanced non-surgical body and skin treatments in the Los Angeles area — including XERF™, the world's first multifrequency monopolar RF treatment for face, neck, and body tightening. Our weight loss programs incorporate advanced metabolic treatments such as GLP-1 therapies like Semaglutide and Tirzepatide, ensuring safe and effective fat loss tailored to individual needs.

At a glance

Practice Overview

Location
238 S Arroyo Pkwy, Pasadena, CA 91105 · View map
Business type
Weight loss service · Blood testing service · Health spa · Medical spa · Men's health physician · Women's health clinic · Skin care clinic
Ownership
Women-owned
Treatments offered
B12 shots, Body contouring, Botox, Chemical peels, Dysport, Emsculpt and Emsculpt NEO, Exosome Treatments, Non-Surgical Hair Restoration at Med Spas, Hormone therapy, IV therapy +11 more
Payment
Checks · Credit cards · Debit cards · Apple Pay / Google Pay
Published pricing

Treatment Prices

Lean Lab Regenerative Health & Weight Loss doesn't post prices online. Ask for a quote in your request and they'll send one.
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Staff

Meet the Team

BT
Bianca TomassianPA-C
ST
Shant TomassianMD

Names and credentials as listed on leanlab.la.

Treatment menu

Treatments & Specialties

Laser & energy

Skin tightening

Devices named on their site

Emsculpt
Good to know

Amenities & Accessibility

From the business

Women-owned

Service options

On-site services

Accessibility

Wheelchair-accessible entranceAccessible parkingAccessible restroomAccessible seating

Amenities

Gender-neutral restroom

Payments

ChecksCredit cardsDebit cardsApple Pay / Google Pay

Parking

Free parking lotOn-site parking
Patient reviews

What Patients Say

5.015 Google reviews
5 stars
15
4 stars
0
3 stars
0
2 stars
0
1 star
0
Location & hours

Find the Practice

238 S Arroyo Pkwy, Pasadena, CA 91105Get Directions →
Monday
9am–5pm
Tuesday
9am–5pm
Wednesday
9am–5pm
Thursday
9am–5pm
Friday
9am–5pm
Saturday
10am–2pm
Sunday
Closed
Frequently asked questions

Before You Book

Who does the treatments at Lean Lab Regenerative Health & Weight Loss?
Their website names Bianca Tomassian (PA-C), Shant Tomassian (MD).
What treatments does Lean Lab Regenerative Health & Weight Loss offer?
B12 shots, Body contouring, Botox, Chemical peels, Dysport, Emsculpt and Emsculpt NEO, Exosome Treatments, Non-Surgical Hair Restoration at Med Spas, and 13 more, based on their Google profile and website.
Is Lean Lab Regenerative Health & Weight Loss good?
It has a 5.0 rating from 15 Google reviews, and 15 of them are 5 stars.
Where is Lean Lab Regenerative Health & Weight Loss located?
238 S Arroyo Pkwy, Pasadena, CA 91105.
Where this information comes from: the practice's Google Business Profile (rating, hours, categories, amenities), leanlab.la (prices, team, devices, photos) and Google review topics. Last checked October 2026. This listing has not been claimed or verified by the practice.