Summary

Dr. William E. Rietkerk, a board certified dermatologist, obtained his undergraduate degree Magna Cum Laude from University of California (UC), San Diego. His medical degree and internship in Internal Medicine from UC Irvine School of Medicine and his MBA degree from the UC Irvine Merge school of Business. Subsequently completed his dermatology residency at New York Medical College, where he was selected as Chief Resident of Dermatology.

Following residency, Dr. Rietkerk became Volunteer Faculty for the Dermatology Department at New York Medical College and built a thriving practice as an Associate at Manhattan Dermatology and Cosmetic Surgery. He also taught residents as a Surgical Dermatology Attending at Lincoln Hospital. Recently he and his wife decided to relocate back home to Southern California with their young son. Conejo Dermatology is thrilled to welcome him to our family!

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.
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Quick Facts

  • accepting new patients
  • 4.1
  • 22 insurance plans accepted
  • speaks English
  • UC Irvine Merge school of Business
  • 2 written reviews
  • 1 specialty
  • 12 areas of expertise
  • 1 board certification
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Conejo Dermatology

55 Rolling Oaks Dr Ste 200Thousand Oaks, CA 91361
Mon7:30 am - 4:30 pm
Tue7:30 am - 4:30 pm
Wed7:30 am - 4:30 pm
Thu7:30 am - 4:30 pm
Fri7:30 am - 4:30 pm
SatClosed
SunClosed

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William Edward Rietkierk, MD, MBADr. Jonathan Carp, MDDr. Anne E Allen, MDDr. Rameschandra D Bambhania, MD
DermatologyDermatologyDermatologyDermatology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.1 
4.6 
4.5 
26 Years of Experience 9 Years of Experience 41 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English Speaks English Speaks English Speaks English, Hindi, Gujarati, Urdu
Thousand Oaks , CADelray Beach , FLKnoxville , TNTustin , CA
Med School: University of California Med School: Rutgers Medical School Med School: University Of Michigan Medical School Med School: M P Shah Government Medical College
Current Profile
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Insurance Plans Accepted by William Edward Rietkierk

  • Accepts Medicaid
  • Anthem Blue Cross Blue Shield (BCBS) of Colorado
  • Anthem Blue Cross Blue Shield (BCBS) of Connecticut
  • Anthem Blue Cross of California
  • Blue Cross Blue Shield (BCBS) of Illinois
  • Blue Cross Blue Shield (BCBS) of Kansas City
  • Blue Cross Blue Shield (BCBS) of Louisiana
  • Blue Cross Blue Shield (BCBS) of Massachusetts
  • Blue Cross Blue Shield (BCBS) of Michigan
  • Blue Cross Blue Shield (BCBS) of Minnesota
  • Blue Cross Blue Shield (BCBS) of Mississippi
  • Blue Cross Blue Shield (BCBS) of Oklahoma
  • Blue Cross Blue Shield (BCBS) of Rhode Island
  • Blue Cross Blue Shield (BCBS) of Tennessee
  • Blue Cross Blue Shield (BCBS) of Texas
  • Blue Cross Blue Shield (BCBS) of Western New York
  • Blue Shield of Northeastern New York
  • Capital BlueCross
  • Empire Blue Cross Blue Shield (BCBS)
  • Excellus Blue Cross Blue Shield (BCBS)
  • Florida Blue - Blue Cross Blue Shield (BCBS) of Florida
  • Independence Blue Cross Blue Shield (BCBS)
  • UnitedHealthcare Community Plan

Medical Specialties

William Edward Rietkierk has the following specialty

Specialty Expertise

William Edward Rietkierk has the following 12 areas of expertise

  • Acne (Acne Vulgaris)
  • Acne Rosacea
  • Actinic Keratosis
  • Basal Cell
  • Excision
  • Melanoma
  • Mole
  • Psoriasis
  • Rash
  • Rosacea
  • Skin Biopsy
  • Skin Cancer

Certifications, License, & Education

William Edward Rietkierk holds an expired medical license in the state of California. They are board certified in Dermatology by the American Board of Dermatology.

Board Certifications

Board certified in Dermatology by the American Board of Dermatology.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026.

Education & Training

Residency

Completed their residency at UC Irvine Merge school of Business and New York Medical College.

Medical School

Graduated from University of California and University of California At Irvine.

NPI Number

William Edward Rietkierk's NPI number is 1720311400.

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Frequently Asked Questions

Where is William Rietkierk's office located?
William Rietkierk's office is located at 55 Rolling Oaks Dr Ste 200, Thousand Oaks, CA, 91361.
What languages does William Rietkierk speak?
William Rietkierk speaks English.
How can I make an appointment with William Rietkierk?
You can find contact information for William Rietkierk here on Vitals.
Does William Rietkierk accept virtual/telehealth appointments?
William Rietkierk has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does William Rietkierk accept my insurance?
You can see the insurance plans that William Rietkierk accepts on their Vitals profile.

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