San Francisco Dermatologist
2299 Post Street, Suite 312
San Francisco, California 94115 US
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19 years experience
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4.5 out of 5 stars 4.5 stars from 10 reviews See details Hide details
5.0 out of 5 stars Doctor's bedside manner
5.0 out of 5 stars Answered my questions
4.0 out of 5 stars After care follow-up
4.0 out of 5 stars Time spent with me
4.0 out of 5 stars Phone or email responsiveness
5.0 out of 5 stars Staff professionalism & courtesy
5.0 out of 5 stars Payment process
4.0 out of 5 stars Wait times
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Treatment results may vary

5 out of 5 stars CoolSculpting

25, 5'5", 165 Lbs, Work out 4x/week, No Kids, Have Always Had a "Tummy"

I came 40 mins early for my appointment and they were able to get me started right away. They were very clear about the chances of side effects and all the potential side effects. They gave me tea and kept me comfy throughout the 2.5 hr ordeal. If I don't develop nerve pain I would gladly throw buckets of money on doing this again.

5 out of 5 stars CoolSculpting

Amazing Results - San Francisco, CA

Everyone who helped me was extremely professional and I felt safe and comfortable.

5 out of 5 stars CoolSculpting

Attempt to Loose Some Belly Fat-successful! - San Francisco

Dr. W has a great office. The girls there are all very professional and well trained. They make you feel very comfortable and they are all really beautiful. I fine example of what Dr. W's office can provide.

5 out of 5 stars Melasma Treatment

Fraxel Re:store Worth It for Acne Scars and Melasma

Conservative approach; excellent risk management/mitigation; approaches as part of overall skin program; understands how skin issues affect self esteem

5 out of 5 stars Collagen Injection

No Lemon Lips for Me - San Francisco, CA

Dr Kathleen Welsh; she is the best!

5 out of 5 stars V Beam

Best Treatment! - San Francisco, CA


Eyes By Thermage - Review in Progress - San Francisco, CA

I am 46, light-skinned, and have pretty droopy eyelids. I tried Ultherapy 3 years ago and it didn't do anything. I just did Eyes by Thermage this morning. After reading all of the Thermage horror stories on this site, I called and spoke to the nurse who would be doing the procedure. She said their office has had only one minor side effect in the last 10 years of doing this procdure, and it...

3 out of 5 stars Fraxel Laser

Fraxel Laser Worked Well for Me - Evened out Skin Tone and Erased Fine Lines - San Francisco, CA

I think that this office is too busy and they are big into selling their products and recommending procedures beyond what most customers come in for. It seemed a bit over the top.

3 out of 5 stars miraDry

Overpriced MiraDry treatment

NOTE - this is only a review for the *price of MiraDry*. I have not actually undertaken the procedure because I've found other providers offer a more effective protocol at a lower cost. Dr. Welsh is probably very well qualified, and I would encourage you to do your research. That said, at some point between 2013 and 2015, a new MiraDry protocol was adopted. It's called "High Volume...

You Owe It to Yourself! - San Francisco, CA

You owe it to yourself to get Miradry! For so long I denied myself the treatment because I was scared it wasn't safe. With the saline injections and use of tumescent anesthesia, there is little to no risk of nerve damage anymore. The procedure itself was relatively painless, just a few needle sticks and a slight burning sensation every now and then. I would rate it a 3 out of 10 at most...

*Your results may vary. Any specific claims or permanence length of results vary for each patient and are not guaranteed.

Board Certifications

Board-certified by the American Board of Dermatology and American Board of Internal Medicine


American Academy of Dermatology (AAD)

Consultation Fee


Hospital Privileges

Dr. Welsh has hospital affiliations at California Pacific Medical Center.


  • Undergraduate & Medical School

    Undergraduate: BS, Chemistry; University of California, Berkeley;
    Medical: MD, Doctor of Medicine; Harvard University
  • Post-Medical School Training

    Internal Medicine; University of California, San Francisco
    Dermatology, Stanford University

Treatments offered at Bay Area Cosmetic Dermatology

Most popular answers from Kathleen M. Welsh, MD

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How Long Do the Results of an Ultherapy Procedure Last?

The tighetning from Ultherapy is visible about 4-6 months after the procedure. Patients may chose to re-treat after a year or longer because, even... READ MORE

Do a Person Need to Shave their Armpits Before Getting a miraDry Treatment?

Yes, patients are required to shave both underarms about 1-2 days prior to MiraDry treatment. If you forget to shave, we will shave your underarms... READ MORE

Miradry: Is it really possible to not have to wear deodorant anymore for health reasons. How Much Does Miradry Cost?

Two treatments are requires for 86% reduction in sweat. The first treatment is $2,000 and the second is $1,000. If you pay for both appointments... READ MORE

Hyperdidrosis - No Results After Botox. What Can I Try?

There is now an FDA approved treatment for excessive underarm sweating called MiraDry. In clinical studies, the average sweat reduction was 86%. Other... READ MORE

How Much Does Ultherapy Cost?

A full face treatment in our office is $3,800 and a lower face treatment is $2,800 per treatment. However, Ultherapy is a fully customizable treatment... READ MORE

Restylane Disappears in 2.5 Weeks?

Typically Restylane lasts 4-6 months. However, individual results may vary and this might not be the ideal filler for you. Radiesse is a thicker... READ MORE

Before and After Photos by Dr. Welsh

Kathleen M. Welsh, MD has shared 3 before and after pictures with 7 helpful votes from the RealSelf community.

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Videos by Kathleen M. Welsh, MD

Kathleen M. Welsh, MD has shared 2 videos.

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Dermal Fillers Before and After Results

Curious about effects that dermal fillers can have on your appearance? Dr. Welsh shares this Before and After video to see the natural beauty-enhancing properties of dermal filler on Megan, a 40 year-old female patient with mild signs of aging. WATCH VIDEO

Who Makes a Good Candidate For V-Beam?

Embarrassed to go outside without makeup? Worried about spending time in the sun? Dr. Kathleen M. Welsh shares the pros of V-Beam for combating skincare problems. Brought to you by Syneron Candela. WATCH VIDEO

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*Your results may vary. Any specific claims or permanence length of results vary for each patient and are not guaranteed.