Verified Injector.
About usSearch med spas

Masters Medspa Irvine

5.0 ★ · 170 Google reviews

Services
Neurotoxin injections · Dermal filler · Deoxycholic acid (Kybella) · Poly-L-lactic acid (Sculptra) · Calcium hydroxylapatite (Radiesse) · PDO threads · PRP and PRF · Microneedling · Laser hair removal · Body contouring · Skin tightening · Hair restoration · Medical weight loss (GLP-1) · Hormone therapy · Peptide therapy
Location
39 Creek Rd, Irvine, CA 92604-4724
Hours
Tue to Fri 10:00 AM to 5:00 PM

Verification Summary for Masters Medspa

Status
Verified
Named clinicians
4
Current license matches
4 of 4 named clinicians matched to current California professional license records.
Medical Director
Chantal Lunderville
Last checked
October 17, 2026
Verified Injector: Verified status as of 10.22.2026. A licensed physician and every clinician this clinic names on its website with a medical or nursing credential or the title Dr. were matched to current state license records.

Services Offered by Masters Medspa

Injectables

  • Neurotoxin injections · Botox, Daxxify, Dysport, Jeuveau
  • Dermal filler · Juvederm, Restylane, RHA, Volux
  • Deoxycholic acid (Kybella)
  • Poly-L-lactic acid (Sculptra)
  • Calcium hydroxylapatite (Radiesse)
Show moreShow fewer
  • PDO threads
  • PRP and PRF

Skin

  • Microneedling
  • Laser hair removal

Body

  • Body contouring
  • Skin tightening · Sofwave
  • Hair restoration

Wellness

  • Medical weight loss (GLP-1)
  • Hormone therapy · BioTe
  • Peptide therapy

The website of Masters Medspa in Irvine lists 15 services: neurotoxin injections, dermal filler, deoxycholic acid (Kybella), poly-L-lactic acid (Sculptra), calcium hydroxylapatite (Radiesse), PDO threads, PRP and PRF, microneedling, laser hair removal, body contouring, skin tightening, hair restoration, medical weight loss (GLP-1), hormone therapy, and peptide therapy.

Google Rating and Reviews for Masters Medspa

Google rating 5.0 from 170 reviews, read October 19, 2026.

Google rating
5.0
Google review count
170 reviews
Google data checked
October 19, 2026
On Google Maps

Google rating and review information is provided for consumer reference and is not used to determine Verified Injector verification status.

Source: Google Maps

Masters Medspa Location, Hours and Contact

Address
39 Creek RdIrvine, CA 92604-4724
Phone
(949) 334-6003
Hours
  • Tuesday: 10:00 AM to 5:00 PM
  • Wednesday: 10:00 AM to 5:00 PM
  • Thursday: 10:00 AM to 5:00 PM
  • Friday: 10:00 AM to 5:00 PM
Directions
Get directions

Masters Medspa Clinicians and California License Status

Verified Injector lists four clinicians named by Masters Medspa. All four matched current California professional license records.

Allison Brewer, NP

Verification result
Current license matched
Credential
NP
California license status
California Nurse Practitioner License: Current
License number
95007679
License expires
September 2028
NPI
No NPI record matched
Role stated by clinic
Co-Founder
Checked
Verified October 17, 2026
View verification evidence

Clinic-reported

Clinic-stated role
Co-Founder
Credential
NP
Named as medical director
Not stated
Named as an injector
Not stated on the pages reviewed
Date checked
October 18, 2026
Allison Brewer, NP

Federal provider record

No NPI record was matched for this name. Clinicians with this credential usually hold an NPI, but the name on the clinic's website may be written differently in the registry, and an NPI is a billing identifier that says nothing about the state license check below.

State professional license

Credential
NP
State license
Nurse Practitioner, Board of Registered Nursing
License number
95007679
Status
Current
Expires
September 2028
Checked
October 17, 2026

Board action recorded: Not published by this board.

Nurse Practitioner license 95007679; ALLISON JULIE BREWER; status: Current; expires 2028-09-30; issued 2017-10-11; board action: not published by this register; city LAKE FOREST; ca-brn published 2026-10-01, RegisteredNursing_Data00.xls row 46977

State data published October 1, 2026.

Verification finding

Result
Current license matched (Current)

Masters Medspa names Allison Brewer, NP, with the stated role Co-Founder. Verified Injector matched this clinician to license 95007679 at the Board of Registered Nursing, which that board recorded as Current when checked October 17, 2026.

Katherine MacBarron, PA-C, PA

Verification result
Current license matched
Credential
PA-C, PA
California license status
California Physician Assistant License: Current
License number
57022
License expires
October 2028
NPI
1477048304
Primary taxonomy
Physician Assistant
Role stated by clinic
No role stated by the clinic
Checked
Verified October 17, 2026
View verification evidence

Clinic-reported

Clinic-stated role
No role stated on the pages reviewed
Credential
PA-C, PA
Named as medical director
Not stated
Named as an injector
Not stated on the pages reviewed
Date checked
October 18, 2026
Katherine MacBarron, PA-C

Federal provider record

NPI
1477048304
Primary taxonomy
Physician Assistant
Date checked
October 17, 2026

State professional license

Credential
PA-C, PA
State license
Physician Assistant, Physician Assistant Board
License number
57022
Status
Current
Expires
October 2028
Checked
October 17, 2026

Board action recorded: Not published by this board.

Physician Assistant license 57022; Katherine Elizabeth MacBarron; status: Current; expires 2028-10-31; issued 2019-07-12; board action: not published by this register; city IRVINE; ca-pab published 2026-10-01, PhysicianAssistant_Data00.xls row 12211

State data published October 1, 2026.

Verification finding

Result
Current license matched (Current)

Masters Medspa names Katherine MacBarron, PA-C, PA, on its website. Verified Injector matched this clinician to license 57022 at the Physician Assistant Board, which that board recorded as Current when checked October 17, 2026.

Cheryl Tan, RN

Verification result
Current license matched
Credential
RN
California license status
California Nursing License: Current
License number
750445
License expires
January 2027
Role stated by clinic
No role stated by the clinic
Checked
Verified October 17, 2026
View verification evidence

Clinic-reported

Clinic-stated role
No role stated on the pages reviewed
Credential
RN
Named as medical director
Not stated
Named as an injector
Not stated on the pages reviewed
Date checked
October 18, 2026
Cheryl Tan, RN

Federal provider record

No NPI record was matched. Not all registered nurses obtain an individual NPI, so the absence of an NPI does not affect the state-license verification shown below.

State professional license

Credential
RN
State license
Registered Nurse, Board of Registered Nursing
License number
750445
Status
Current
Expires
January 2027
Checked
October 17, 2026

Board action recorded: Not published by this board.

Registered Nurse license 750445; CHERYL LIHUI TAN; status: Current; expires 2027-01-31; issued 2009-05-13; board action: not published by this register; city IRVINE; ca-brn published 2026-10-01, RegisteredNursing_Data01.xls row 45612

State data published October 1, 2026.

Verification finding

Result
Current license matched (Current)

Masters Medspa names Cheryl Tan, RN, on its website. Verified Injector matched this clinician to license 750445 at the Board of Registered Nursing, which that board recorded as Current when checked October 17, 2026.

Chantal Lunderville

Verification result
Current license matched
Credential
M.D. (credential from the national provider registry)
California license status
California Medical License: Current
License number
146115
License expires
August 2028
NPI
1700264736
Primary taxonomy
Family Medicine
Role stated by clinic
Physician
Checked
Verified October 17, 2026
View verification evidence

Clinic-reported

Clinic-stated role
Physician
Credential
M.D. (credential from the national provider registry)
Named as medical director
Yes
Named as an injector
Not stated on the pages reviewed
Date checked
October 18, 2026
Dr. Chantal Lunderville

Federal provider record

NPI
1700264736
Primary taxonomy
Family Medicine
Date checked
October 17, 2026

State professional license

Credential
None stated by the clinic
State license
Physician and Surgeon A, Medical Board of California
License number
146115
Status
Current
Expires
August 2028
Checked
October 17, 2026

Board action recorded: Not published by this board.

Physician and Surgeon A license 146115; CHANTAL MARIE LUNDERVILLE; status: Current; expires 2028-08-31; issued 2016-11-17; board action: not published by this register; city COSTA MESA; ca-mbc published 2026-10-01, MedicalBoard_Data00.xls row 54827

State data published October 1, 2026.

Verification finding

Result
Current license matched (Current)

Masters Medspa identifies Dr. Chantal Lunderville as its medical director. Verified Injector matched this clinician to license 146115 at the Medical Board of California, which that board recorded as Current when checked October 17, 2026.

Before you book, ask who will treat you and check that they appear on this record. If they do not, look them up with the California licensing boards.

What Verified Means for Masters Medspa

4 of 4 named clinicians matched to current California professional license records. Last checked October 17, 2026.

Verified means every clinician this clinic names with a medical or nursing credential matched a current state license, including a physician.

It is not a rating of skill, safety or results, and it does not cover anyone the clinic does not name.

How verification works

Sources for Masters Medspa

  • Clinic website (checked Oct. 18, 2026): clinic identity, clinician names, credentials, roles, medical director, services, hours, phone, booking link
  • Board of Registered Nursing (checked Oct. 17, 2026; published Oct. 1, 2026): license, license number, status, expiration
  • Physician Assistant Board (checked Oct. 17, 2026; published Oct. 1, 2026): license, license number, status, expiration
  • Medical Board of California (checked Oct. 17, 2026; published Oct. 1, 2026): license, license number, status, expiration
  • National provider registry (NPI) (checked Oct. 17, 2026): identity confirmation, NPI, taxonomy
  • Google Maps (checked Oct. 19, 2026): rating, review count, links. Not used for verification status.

Other Verified Medical Spas in Irvine, California

View all medical spas in Irvine, California

Is this your clinic?

Claim this record to add a description and photos, and to correct anything we have wrong. Claiming is free. Verified clinics can add more with the Website Badge.

Data and Update Information

Clinician and license data last checked
October 17, 2026
Google rating and review data last checked
October 19, 2026
Clinic website data last checked
October 18, 2026

Verified Injector verifies professional credentials. Google provides consumer rating and review data.