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Peter Karlsberg, MD: Dermatologist in Ventura, CA logo

Peter Karlsberg, MD: Dermatologist in Ventura, CA

DermatologyVentura, CA

★★★★☆4.4/5157 reviews across 4 platforms

Ratings by platform

  • US News & World Report: 4/5 (47)
  • Healthgrades: 4.4/5 (9)
  • Birdeye: 4.6/5 (98)
  • RealSelf: 3/5 (3)

What patients say

Patients praise

  • Dr. Karlsberg is frequently described as knowledgeable, kind, and professional
  • Patients appreciate thorough skin cancer screenings and successful medical dermatology outcomes
  • Positive experiences with office atmosphere for some patients
  • Long-term patients often express high satisfaction and loyalty

Common complaints

  • Billing and insurance issues, including unexpected costs and delayed claims
  • Dissatisfaction with office staff and customer service, including perceived rudeness and lack of follow-up
  • Rushed appointments and concerns over lack of attention to detail during cosmetic procedures
  • Reports of misdiagnosis or questionable medical advice in specific instances

In patients' words

"Dr. Karlsberg and his staff exude a warm professionalism that insures a first class experience!"

Healthgrades user review

"If I could give this place 0 stars I would... My experience was below sub par... This place is a complete scam."

Vitals user review

"Dr. Karlsberg deserves five stars because he talks frankly and really knows his stuff. ... Zero stars for the office staff who is rude and not helpful at all in person or on the phone."

Unilocal user review

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6][7].

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