Our Story

Old School Surgeon, New School Knowledge

A Modern Practice with a Personal Touch

As modern medicine has become more impersonal and rushed, many of us miss the days when physicians and staff took the time to provide kinder, higher quality, and more individualized care.

Dr. Dhir and his wife of 28 years, Nathalie Dhir, BSN, created Arizona Mohs Surgery & Dermatology to provide the best of both worlds: top-quality, experienced surgical & dermatologic care in a personable, attentive, cost-effective setting.

Arizona Mohs Surgery & Dermatology's team has worked together for many years, and is committed to compassionate care and the pursuit of excellence. We pride ourselves on attention to detail.  Our dedicated staff looks forward to treating you with the same kindness, respect, and concern that we would extend to our own family and friends.

Outside of medicine, Dr. Dhir and Nathalie enjoy physical fitness and cooking, and spend as much time as possible with their two grown children, Joshua and Emilie, who both live in New York City. Dr. Dhir has also pursued an amateur career in automotive racing, and Nathalie has produced an award-winning feature film, Burning Kentucky.

Shelby Coplen, PA-C joined our experienced team in 2024.  Shelby has practiced medical & surgical dermatology in Tucson since 2018.  She is an expert in skin cancer screenings, non-Mohs treatment of skin cancer, and treatment of rashes, psoriasis, rosacea, and acne.

Our facility was constructed using the highest quality, "Made-in-the-USA" components and local Tucson talent wherever possible. Over 94% of our building materials, furnishings, fixtures, and equipment is manufactured in the United States, with some surgical instruments and our Zeiss microscope sourced from Germany, Switzerland, and the United Kingdom. Other than our Apple iMacs and iPads, very few items were sourced from China and only when no other viable option was available. We would like to acknowledge the outstanding work done on our behalf by local businesses such as Eglin & Bresler Architects, Venture West Construction, Goodmans Interior Structures, National Bank of Arizona, Desert Lab Studio, AV Specialists, Stat Computer Services, Illuminations, Millwork by Design, Achilles, Aztec Flooring, Effective Signs, Hall Custom Painting, and Creative Printers. Many of these companies went the extra mile to achieve our Made-in-America goal.

Arizona Mohs Surgery & Dermatology demonstrates its commitment to community and country via support of several nonprofits, including Arizona Heroes Memorial, Los Charros Foundation (FFA and 4H), Therapeutic Riding of Tucson, the Jewish Community Center's Garden of Hope, Davis-Monthan Air Force Base, Camp Valor Outdoors, Wreaths Across America, and Angel Charity.

Mohs surgery infographic


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See WhatOur Clients Are Saying

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Thanks for the advice you gave me to have the mole removed. I am thankful to God for the knowledge he has given you to know how to help people! Thanks again.

—JAC
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Dr. Dhir, Erika, & Lindsay, The surgery site on my forehead healed quickly, with no aches, pain, or scarring.  You did great.  :-)  Your "fun" attitude makes my visits a breeze.  Thanks Much!!

—TK
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When it comes to being a great doctor, you more than fill the prescription. I'm so very fortunate to have you for my dermatologist.

—TO
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Dr. Dhir and Dani, can't truly express my appreciation of your skill and wonderful care during my recent Mohs experience.  I so appreciate how I was treated by you both.

—BC
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Thank you so very much for taking such exceptional care of me. I was quite nervous being on the other side of the surgery. You completely put my mind at ease.

—HM
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I was treated with utmost respect from all the nurses and staff. My nurse was excellent. She knew what she was doing. Dr. Dhir made me feel relaxed and confident that he would take care of me. I appreciate everything they did for me.

—NS
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You pros did a dandy job on my surgery this month:  no pain, no bleeding, no scar, no bad news. :-)

—TK
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I just wanted to thank you for taking such good care of my mother through two separate procedures. You have a kind and calming manner that is very rare today in the medical field, especially with the elderly, the ones that need it the most. And it is very much appreciated. Thank you again. May God bless you and your family.

—DB
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Please thank Jackie, Blanca, and Lindsay who were always so helpful and kind to me and my husband.  I thank you for being you!

—MS
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