Dr. William Rietkerk, MD

Dr. William Rietkerk, MD

Dermatology  |  
Male  |  
Age 37
Insurances AcceptedSave
Dr. William Rietkerk, MD is a dermatology doctor who practices in Thousand Oaks, CA. He is 37 years old and has been practicing for 9 years. Read his story

55 Rolling Oaks Dr Ste 200

Thousand Oaks, CA 91361

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

Learn about Dr. Rietkerk

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you

Top Care Areas


See how frequently Dr. Rietkerk performs your care needs compared to other doctors.

very high
more than 99% of peers
very high
more than 99% of peers
Skin Infections
very high
more than 99% of peers

Dr. Rietkerk's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

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Dr. Rietkerk's bio

This content was provided by Dr. Rietkerk "Dr. William E. Rietkerk M.D., a board certified dermatologist, is a graduate of the University of California, Irvine School of Medicine and completed his residency at New York Medical College. Following residency, Dr. Rietkerk cared for patients at Manhattan Dermatology and Cosmetic Surgery and New York Dermatology. Additionally, Dr. Rietkerk was the surgical attending at Lincoln Hospital for the Cornell Department of Dermatology, and was Volunteer Faculty at Metropolitan Hospital for the New York Medical College Department of Dermatology. Dr. Rietkerk is a fellow of the American Academy of Dermatology and member of the American Society of Dermatologic Surgery, the American Acne and Rosacea Society, and the American Medical Association. Dr. Rietkerk is excited to move to Thousand Oaks with his wife and young son and is excited to become a member of the Conejo Valley Medical Community."


Read More


  • Dermatology

Board Certifications

Dr. Rietkerk does not have any board certifications listed.


Conditions Treated

  • Acanthosis Nigricans
  • Acne
  • Actinic Keratosis
  • Allergic Reaction
  • Athlete's Foot
  • Atopic Dermatitis (Eczema)
  • Autoimmune Diseases
  • Basal Cell Carcinoma
  • Bedsores
  • Benign Tumor
  • Birthmark
  • Boil
  • Burn Injuries
  • Cancer
  • Candidiasis of Skin and Nails
  • Canker Sore
  • Cellulitis
  • Cold Sore
  • Dermatitis
  • Dermatitis Due to Drugs
  • Dermatitis Due to Food
  • Excessive Sweating
  • Folliculitis
  • Foot Conditions
  • Fungal Infections
  • Fungal Nail Infection
  • Genital Warts
  • Granuloma of Skin
  • Hair Loss
  • Herpes Simplex Infection
  • Hidradenitis
  • Hives
  • Impetigo
  • Intertrigo
  • Itchy Skin
  • Jock Itch
  • Kaposi's Sarcoma
  • Keloid Scar
  • Leg and Foot Ulcers
  • Lichen Planus
  • Lipomas
  • Melanoma
  • Moles (Benign Skin Lesions)
  • Molluscum Contagiosum Infection
  • Nail and Nail Bed Infection
  • Parapsoriasis
  • Pemphigoid
  • Pityriasis Rosea
  • Poison Ivy, Poison Oak, or Poison Sumac Poisoning
  • Psoriasis
  • Rash
  • Ringworm
  • Rosacea
  • Scabies
  • Seborrheic Dermatitis
  • Seborrheic Keratosis
  • Shingles
  • Skin Aging
  • Skin Cancer
  • Skin Discoloration
  • Skin Diseases
  • Skin Infections
  • Squamous Cell Carcinoma
  • Sunburn
  • Tinea Versicolor
  • Ulcer
  • Varicose Veins
  • Warts


Read More


  • Abscess or Cyst Drainage or Aspiration
  • Abscess or Fluid Incision and Drainage
  • Acne Surgery
  • Adjacent Tissue Transfer
  • Botox® for Severe Underarm Sweating when Antiperspirants Fail
  • Cosmetic Botox® Injection
  • Cosmetic Laser Surgery
  • Dermal Filler
  • Dermatology Procedure
  • Destruction of Benign Skin Lesion
  • Destruction of Malignant Skin Lesion
  • Destruction of Penile Lesion
  • Excision of Benign Skin Lesion
  • Excision of Skin Cancer
  • Excision of Skin Lesion
  • Incision and Removal of Foreign Object
  • Mole Removal
  • Non-Cosmetic Chemodenervation
  • Paracentesis
  • Shaving of Skin Lesion
  • Skin Biopsy
  • Skin Surgery
  • Skin Tag Removal
  • Wart Treatment

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of California At San Diego
    Undergraduate School | Graduated 2002
  • University Of California At Irvine / California College Of Medicine & Surgery
    Medical School | Graduated 2008
  • University Of California At Irvine / California College Of Medicine & Surgery
    Internship Hospital | Completed 2009
  • New York Medical College
    Residency Hospital | Completed 2012

Awards & Recognition

Awards & Honors

Dr. Rietkerk has no awards or honors listed.

Media & Publications

Dr. Rietkerk has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Rietkerk does not have any memberships or affiliations listed. If you are Dr. Rietkerk and would like to add memberships or affiliations, please update your profile.

Dr. Rietkerk's Reviews

Likelihood of recommending Dr. Rietkerk to family and friends
based on 13 total reviews (4 with comments)
Dr. Rietkerk's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers Questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
  • Average wait time
    Under 10 minutes
Patient Comments (4)
in Laguna hills, ca |
I have seen Dr. Rietkerk on numerous occasions for cosmetic and non-cosmetic reasons. Dr. Rietkerk was able to see me immediately when I developed a rash while on vacation. He is always patient and professional and knowledgeable. I also saw Dr. Rietkerk a few years ago when I was interested in trying Botox. I was nervous & scared to try it, but he applied it so it looked very natural. I would definitely go back to him for more or any other cosmetic needs. I recommend him to all family & frien
in Glendora, CA |
I wanted someone who would take their time with my questions and be up to date on all the newest technologies and procedures. Dr Rietkerk filled those needs and made me feel safe. My procedures were painless and he even called to check up on me later.
in LA |
Dr. Rietkerk made me feel very comfortable when looking at my rash. I was pretty nervous but he made me feel like it was no big deal. He answered all of my questions and I didn't feel like he was in a rush at all. He was extremely knowledgeable and even answered my questions that weren't related to my rash. He gave me a cream that cleared my rash up and even helped me figure out what it was from. He is definitely my go to dermatologist !
in Westlake Village |
I saw Dr.Rietkerk for a skin and botox consultation and it was a great experience. I had a list of questions and concerns about my face, skin, and aging and he had amazing suggestions for each of my concerns. I appreciated that he took the time to answer all my questions and gave me suggestions that were reasonable in price. I appreciated that he explained the medical terms to me. I also didn't have to wait, I even arrived early! The office is beautiful as well, I will definitely back.
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Now Accepting New Patients
This provider offers the following appointment availability:
Same Day
Next Day
Dr. Rietkerk accepts 6 insurance carriers
  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • UnitedHealthCare
    United Healthcare

*Please verify this information when scheduling an appointment.