William Fix
Experienced in Giant Congenital Nevus

Dr. William Fix

Dermatology
K2 Dermatology
3434 47th St Ste 200, 
Boulder, CO 

Experienced in Giant Congenital Nevus
K2 Dermatology
3434 47th St Ste 200, 
Boulder, CO 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. William Fix has dedicated his career to becoming a leading expert in dermatology, earning a wealth of education and hands-on experience at some of the world’s most prestigious institutions. A graduate of Brown University, Dr. Fix obtained his medical degree from the University of Pennsylvania Perelman School of Medicine. His training continued at the Albert Einstein College of Medicine, where he completed his dermatology residency at Montefiore Medical Center in New York.

Board-certified and a Fellow of the American Academy of Dermatology, Dr. Fix not only brings top-notch medical qualifications but also a passion for advancing the field. He has conducted research in dermatology and oncology, supported by grants from organizations including the National Institutes of Health, the American Society for Dermatologic Surgery, and Alex’s Lemonade Stand Foundation. With experience spanning general, surgical, and cosmetic dermatology, Dr. Fix is committed to addressing all facets of skin health.

Dr. Fix is rated as an Experienced provider by MediFind in the treatment of Giant Congenital Nevus. His top areas of expertise are Actinic Keratosis, Comedones, Epidermodysplasia Verruciformis, and Warts.

His clinical research consists of co-authoring 14 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Graduate Institution
Perelman School Of Medicine At The University Of Pennsylvania
Residency
Albert Einstein / Montefiore Medical Center
Specialties
Dermatology
Licenses
Dermatology in CO
Board Certifications
Dermatology
Hospital Affiliations
Boulder Community Health
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Freedom Life
  • INSURANCE PLAN
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Highmark
  • EPO
  • HMO
  • PPO
HMSA
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medica
  • EPO
  • HMO
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medical Mutual
  • HMO
  • PPO
MetroPlus Health
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
MVP Health
  • EPO
  • PPO
Northern Plains Alliance
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE PDP
PacificSource
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Sanford
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
Sanford Health
  • HMO
  • PPO
Spectrum Priority Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
Sunflower Health Plan
  • HMO
  • MANAGED MEDICAID PLAN
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 28 Less Insurance Carriers -

Locations

K2 Dermatology
3434 47th St Ste 200, Boulder, CO 80301
Call: 303-444-8100

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


14 Total Publications

Reconstruction after Mohs Surgery for Digit Melanoma: Description of Techniques and Postoperative Limb Function.
Reconstruction after Mohs Surgery for Digit Melanoma: Description of Techniques and Postoperative Limb Function.
Journal: Journal of hand and microsurgery
Published: June 10, 2024
View All 14 Publications
Similar Doctors
Distinguished in Giant Congenital Nevus
Dr. John Fueston
Dermatology
Distinguished in Giant Congenital Nevus
Dr. John Fueston
Dermatology

Twin Peaks Dermatology PC

205 S Main St Ste E, 
Longmont, CO 
 (11.5 miles away)
303-485-8913
Languages Spoken:
English
See accepted insurances

John Fueston is a Dermatologist in Longmont, Colorado. Dr. Fueston is rated as a Distinguished provider by MediFind in the treatment of Giant Congenital Nevus. His top areas of expertise are Neurocutaneous Melanosis, Familial Atypical Multiple Mole Melanoma Syndrome, Giant Congenital Melanocytic Nevus, and Giant Congenital Nevus.

Distinguished in Giant Congenital Nevus
Dr. Ammon Larsen
Dermatology
Distinguished in Giant Congenital Nevus
Dr. Ammon Larsen
Dermatology

Monarch Dermatology & Surgery LLC

3451 Mountain Lion Dr, 
Loveland, CO 
 (27.9 miles away)
970-800-9330
Languages Spoken:
English
See accepted insurances

Ammon Larsen is a Dermatologist in Loveland, Colorado. Dr. Larsen is rated as a Distinguished provider by MediFind in the treatment of Giant Congenital Nevus. His top areas of expertise are Giant Congenital Melanocytic Nevus, Familial Atypical Multiple Mole Melanoma Syndrome, Giant Congenital Nevus, and Melanoma.

Distinguished in Giant Congenital Nevus
Dr. Diane Kallgren
Dermatology
Distinguished in Giant Congenital Nevus
Dr. Diane Kallgren
Dermatology

K2 Dermatology LLC

3434 47th St Ste 200, 
Boulder, CO 
 (2.4 miles away)
303-444-8100
Languages Spoken:
English
See accepted insurances

Diane Kallgren is a Dermatologist in Boulder, Colorado. Dr. Kallgren is rated as an Advanced provider by MediFind in the treatment of Giant Congenital Nevus. Her top areas of expertise are Neurocutaneous Melanosis, Familial Atypical Multiple Mole Melanoma Syndrome, Giant Congenital Melanocytic Nevus, and Giant Congenital Nevus.

VIEW MORE GIANT CONGENITAL NEVUS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Fix's expertise for a condition
ConditionClose
      • Advanced
      • Actinic Keratosis
        Dr. Fix is
        Advanced
        . Learn about Actinic Keratosis.
        See more Actinic Keratosis experts
      • Experienced
      • Acne
        Dr. Fix is
        Experienced
        . Learn about Acne.
        See more Acne experts
      • Alopecia Areata
        Dr. Fix is
        Experienced
        . Learn about Alopecia Areata.
        See more Alopecia Areata experts
      • Autosomal Recessive Hypotrichosis
        Dr. Fix is
        Experienced
        . Learn about Autosomal Recessive Hypotrichosis.
        See more Autosomal Recessive Hypotrichosis experts
      • Basal Cell Skin Cancer
        Dr. Fix is
        Experienced
        . Learn about Basal Cell Skin Cancer.
        See more Basal Cell Skin Cancer experts
      • Bullous Pemphigoid
        Dr. Fix is
        Experienced
        . Learn about Bullous Pemphigoid.
        See more Bullous Pemphigoid experts
      • Cerebral Cavernous Malformation
        Dr. Fix is
        Experienced
        . Learn about Cerebral Cavernous Malformation.
        See more Cerebral Cavernous Malformation experts
      View All 56 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Patient Details

        This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.