What patients are saying
Overall rating
4.86
Average wait time
4.32
Bedside manner
4.93
“10/10 recommend Dr Blumenstrauch! He was beyond nice and listened to everything I had concerns with. Truly a kind person and extremely knowledgeable and collaborative with care. The world needs more doctors like him. Could not recommend him enough! ”
Chelsey C.January 21, 2026
“"Obi-Wan" Blumenmstrauch is DA MAN, the legend! Competent, caring and personable. Yep--you might have to wait MONTHS to get an appointment with him, but the results will be positive.”
Jim M.October 31, 2025
About Dr. Roy Blumenstrauch
Dr. Blumenstrauch grew up in Southern California and graduated as valedictorian of his high school class of 1100 students with high honors, including summa cum laude and membership in Phi Beta Kappa honors society. He went on to attend the University of California, Los Angeles, where he graduated with a B.S. Degree in Biochemistry. He remained at UCLA to attend medical school. Dr. Blumenstrauch completed his internship at Cedars-Sinai Medical Center and his residency at UCLA medical center.
Dr. Blumenstrauch has been in private practice from 1985 to present.
He presently resides in Los Angeles, California with his wife and children. He enjoys travel, playing the guitar, and a variety of outdoor activities including hiking and camping. Dr. Blumenstrauch is fluent in English, Spanish, French and Hebrew.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Medicare
UnitedHealthcare
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Psoriasis
Benign or precancerous skin growths
Acute skin infection
Removal of cancerous skin growth
Psoriasis
Benign or precancerous skin growths
Acute skin infection
Removal of cancerous skin growth
Office location
California Skin Institute, part of SDG - Torrance
4201 Torrance Blvd, Ste 640, Torrance, CA 90503
Education and background
Practice names
Education and training
- Medical School - University of California, Los Angeles, Doctor of Medicine
- University of California, Los Angeles (Bachelor's)
- Cedars-Sinai Medical Center (Internship)
- Peter Morton Medical Building - UCLA Medical Center (Residency)
Languages spoken
- English
- French
- Spanish
- Hebrew
Provider's gender
Male
NPI number
1639175409
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.86
Wait time
4.32
Bedside manner
4.93
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
212 reviews
Most relevant
Super friendly staff and the doctor was amazing. Answered all my questions and listended to all of my concerns.
August 13, 2025Walter M.Verified patient
The Dr. was great! Super nice and answers all questions I had. Took an hour before I was able to see him.
August 14, 2025James P.Verified patient
Very efficient and professional. Great bedside manner and knowledgeable. I highly recommend Dr. Blumenstrauch
June 23, 2025Robert C.Verified patient
Very nice doctor and knowledgable. Takes time with his patients and listens to every concern. Highly recommend!!
February 17, 2015Initials hidden
Very nice doctor and knowledgable. Takes time with his patients and listens to every concern. Highly recommend!!
February 17, 2015Initials hidden
I went to him for a 2nd opinion but like him so much that will start seeing him for my dermatology needs.
February 1, 2012Cynthia M.Verified patient
I went to him for a 2nd opinion but like him so much that will start seeing him for my dermatology needs.
February 1, 2012Cynthia M.Verified patient
The doctor was thorough, professional and friendly.
December 21, 2012Initials hidden
The doctor was thorough, professional and friendly.
December 21, 2012Initials hidden
Dr. B is amazing
January 30, 2026Suzanne S.Verified patient
10/10 recommend Dr Blumenstrauch! He was beyond nice and listened to everything I had concerns with. Truly a kind person and extremely knowledgeable and collaborative with care. The world needs more doctors like him. Could not recommend him enough!
January 21, 2026Chelsey C.Verified patient
"Obi-Wan" Blumenmstrauch is DA MAN, the legend! Competent, caring and personable. Yep--you might have to wait MONTHS to get an appointment with him, but the results will be positive.
October 31, 2025Jim M.Verified patient
Dr Blumenstrau is my favorite dermatologist ever. He is personable and funny as well as very knowledgeable. He is proactive about treating any suspicious spots. Ailways effocient too. Staff are great.
August 29, 2025Doris F.Verified patient
Dr. B was amazing! He was quick, explained the process every step of the way and put me at ease for my procedure. Highly recommend Dr. B and his staff! I will be back!
August 26, 2025Susan C.Verified patient
Dr Blumenstrauch is a wonderful doctor and human being. He is truly kind as well as being thorough with his examinations. He listens to any concerns and addresses them with care.
July 29, 2025Annette R.Verified patient
Have been going there for years and it was always great for caring for patients in all my visits or procedures that needed to be done.
July 22, 2025Ruth O.Verified patient
Dr. Blumenstrauch was wonderful. Very friendly and competent; very good listener. Made me feel seen and heard, and not rushed .
July 9, 2025kenneth R.Verified patient
On time and very friendly?
June 27, 2025Jerry M.Verified patient
Great doctor and great office staff.
Less than 1 year agoInitials hidden
Okay
March 12, 2021Yaffa L.Verified patient
My experience at this office was so great that I called my mom afterwards to tell her about it.
Dr B. is so warm and friendly and truly there to help people.
I highly recommend this office!
September 13, 2016Cynthia T.Verified patient
My experience at this office was so great that I called my mom afterwards to tell her about it.
Dr B. is so warm and friendly and truly there to help people.
I highly recommend this office!
September 13, 2016Cynthia T.Verified patient
He was amazing. Totally worth the wait time.
April 30, 2016Gabriel O.Verified patient
He was amazing. Totally worth the wait time.
April 30, 2016Gabriel O.Verified patient
very knowledgeable and experienced
March 14, 2016Simon Z.Verified patient
very knowledgeable and experienced
March 14, 2016Simon Z.Verified patient
I've been going to Dr. Blumenstrauch for years as have other members of my family. He is very personable and an excellent doctor.
February 27, 2015Initials hidden
I've been going to Dr. Blumenstrauch for years as have other members of my family. He is very personable and an excellent doctor.
February 27, 2015Initials hidden
Smart and efficient! He listened to my concerns, problem solved and eased my mind. I will be back and I'm recommending friends and family too.
March 31, 2014Tiffany D.Verified patient
Smart and efficient! He listened to my concerns, problem solved and eased my mind. I will be back and I'm recommending friends and family too.
March 31, 2014Tiffany D.Verified patient
Very efficiently run practice & friendly staff!
December 6, 2012Initials hidden
Very efficiently run practice & friendly staff!
December 6, 2012Initials hidden
Stuff everywhere makes you feel warm and special. Dr. B is the friendliest doctor I know. He explains my diagnosis and wants to know and hear about my condition.
August 28, 2011IR
Stuff everywhere makes you feel warm and special. Dr. B is the friendliest doctor I know. He explains my diagnosis and wants to know and hear about my condition.
August 28, 2011IR
Dr. B is very knowledgeable and extremely helpful, as well as very kind and considerate. He helped me get through a tough time with adult acne and my skin now looks great. All thanks to Dr. B and his team!
August 28, 2011SP
Dr. B is very knowledgeable and extremely helpful, as well as very kind and considerate. He helped me get through a tough time with adult acne and my skin now looks great. All thanks to Dr. B and his team!
August 28, 2011SP
Yea Dr. B
August 28, 2011DH
Yea Dr. B
August 28, 2011DH
March 13, 2026Pamela W.Verified patient
Less than 3 months agoInitials hidden
Less than 3 months agoInitials hidden
December 22, 2025David S.Verified patient
November 21, 2025John R.Verified patient
Less than 6 months agoInitials hidden
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October 17, 2025Issa B.Verified patient
October 10, 2025Anthony P.Verified patient
Less than 1 year agoInitials hidden
Less than 1 year agoInitials hiddenSource: Partner
Less than 1 year agoInitials hiddenSource: Partner
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How soon can I make an appointment with Dr. Roy Blumenstrauch?
Generally, Dr. Roy Blumenstrauch has appointments available on Zocdoc within 1 week. You can see Dr. Blumenstrauch's earliest availability on Zocdoc and make an appointment online.
Is Dr. Roy Blumenstrauch accepting new patients?
Dr. Roy Blumenstrauch generally accepts new patients on Zocdoc. You can see Dr. Blumenstrauch's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Roy Blumenstrauch accept my insurance?
Choose your insurance plan to verify if Dr. Blumenstrauch is in-network.
Can I make an appointment with Dr. Roy Blumenstrauch online?
Yes, you can make an appointment online with Dr. Blumenstrauch using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Roy Blumenstrauch work with?
Dr. Roy Blumenstrauch works with Schweiger Dermatology Group.
Where is Dr. Roy Blumenstrauch's office located?
Dr. Roy Blumenstrauch's office is located at 4201 Torrance Blvd, Torrance, CA 90503.
What are common reasons for patients to see Dr. Roy Blumenstrauch?
Dr. Roy Blumenstrauch frequently sees patients for Acne, Annual Skin Screening, Dermatology Consultation, Prescription / Refill, and Rash. You can see other visit reasons for Dr. Roy Blumenstrauch on their profile.
What languages does Dr. Roy Blumenstrauch speak?
Dr. Roy Blumenstrauch speaks English, French, Spanish, and Hebrew.
How do patients rate Dr. Roy Blumenstrauch in reviews?
212 patients have reviewed Dr. Roy Blumenstrauch. The overall rating for this doctor is 4.86/5. They have a 4.93/5 rating for bedside manner and a 4.32/5 rating for wait time. You can read individual reviews and ratings on their profile.