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Our Doctors

Our highly-accomplished doctors have been repeatedly recognized in Oklahoma Magazine's Top Doctors Best of the Best, as well as Tulsa People's A-List: Head to Toe.

Mark D. Lehman, M.D.5 Stars!

Dr. Lehman is a 1992 graduate of Texas Tech University School of Medicine. He completed his dermatology residency at the University of New Mexico School of Medicine in 1996. He joined Tulsa Dermatology Clinic, Inc. in 1996. Dr. Lehman is board certified in dermatology. Dr. Lehman treats all medical and surgical dermatology diseases with a special interest in laser surgery.
Dr. Lehman is certified by the American Board of Dermatology.

We think Dr. Leman is the BEST! My parents used him in their later years, my sister, her husband think his is great. My husband and I have been to him numerous times and love him. Dr. Leman comes in with a smile, a hearty handshake and immediately is interested in your concern. He takes time to check extra areas and ALWAYS asks "Is there anything else you would like me to check?" He gets 5 stars plus from all of us! We have found his nurses to be of the same temperment. Very nice and helpful. As for the office staff, they're always busy, but just as kind.

-J&L via Healthgrades

George W. Monks, M.D.5 Stars!

Dr. Monks is a 1999 graduate of the University of Oklahoma School of Medicine. He completed his dermatology residency at O. U. in 2003. He joined Tulsa Dermatology Clinic, Inc. in 2003. Dr. Monks is board certified in dermatology. Dr. Monks treats all medical and surgical dermatology diseases with a special interest in skin cancer, psoriasis and Botox.
Dr. Monks is certified by the American Board of Dermatology.

Dr. Monks was instrumental in getting my skin disease diagnosed and treated. I owe this excellent physician my life....literally. He continues to be actively involved in my treatment.

-Via Healthgrades

Kelli A. Lovelace, M.D.5 Stars!

Dr. Lovelace is a 2003 graduate of the University of Oklahoma School of Medicine. She completed her dermatology residency at O.U. in 2007. She joined Tulsa Dermatology Clinic, Inc. in 2007. Dr. Lovelace is board certified in dermatology. In addition to our Tulsa office, Dr, Lovelace is seeing patients at our Claremore location on Tuesdays. Dr. Lovelace treats all medical and surgical dermatology diseases with a special interest in Botox and daily anti-aging skin care.
Dr. Lovelace is certified by the American Board of Dermatology.

A friend recommended Dr. Lovelace to me and I am so thankful! Dr. Lovelace is wonderful. She is friendly, knowledgeable and attentive. My daughter (14) has seen her now too and absolutely loves her as well!

-KJA via Healthgrades

Christina G. Kendrick, M.D.5 Stars!

Dr. Kendrick holds an undergraduate degree from Harvard University. She completed her M.D. at the University of Oklahoma Health Sciences Center. After her preliminary year of residency in Internal Medicine at OUHSC, she completed her Dermatology residency at Louisiana State University in New Orleans. Dr. Kendrick practiced with Harvard Medical Physicians Group in Boston for 3 years and with Dermatology Consultants of Marin in San Rafael, California for 1 year before returning to Oklahoma. She has experience in medical, surgical and cosmetic dermatology.
Dr. Kendrick is certified by the American Board of Dermatology.

After 3 visits, I am very please with staff and Dr Kendrick. Very professional and thorough. State of the art equipment and she comfortably explains her diagnosis and treatments.

-Bobby S. via Healthgrades

Ashwini K. Vaidya, M.D.5 Stars!

Dr. Vaidya holds an undergraduate degree from Duke University. She completed her M.D. at the University of Oklahoma College of Medicine. After her internship in Internal Medicine at Evanston Northwestern Healthcare in Evanston, Illinois, she completed her Dermatology residency at the University of Illinois at Chicago. Dr. Vaidya practiced with Dermatology Associates of Tulsa for 9 years before joining Tulsa Dermatology Clinic, Inc., in 2013. She has experience in medical, surgical and cosmetic dermatology.
Dr. Vaidya is certified by the American Board of Dermatology.

Dr. Vaidya has been my dermatologist for years. She has also taken great care of my dad. I highly recommend her to anyone looking for a dermatologist!

-Kristi L. via Yelp

Emily L. Kollmann, D.O.5 Stars!

Dr. Kollmann attended medical school at Oklahoma State University and completed her residency in dermatology at Northeast Regional Medical Center in Kirksville, Missouri. Dr. Kollmann joined Tulsa Dermatology Clinic, Inc. in 2017. She is seeing patients at our Claremore location on Wednesdays.
Dr. Kollmann is certified by the American Board of Dermatology.

She is one of the best! Highly recommend.

-Via Healthgrades

Creed Stewart, M.D.5 Stars!

Dr. Stewart attended medical school and completed his dermatology residency at the University of Oklahoma College of Medicine. He is a member of the Alpha Omega Alpha medical honor society. He recently moved to Owasso from North Texas and has been practicing dermatology for over 19 years. Dr. Stewart has extensive experience in general dermatology and skin cancer treatment. In addition to our Tulsa office, Dr. Stewart is seeing patients at our Claremore location on Mondays and Fridays.
Dr. Stewart is certified by the American Board of Dermatology.

Dr. Stewart was awesome as was my overall visit to Tulsa Dermatology; they were professional, thorough and timely. All in all, a great experience.

-Amanda W. via Healthgrades

Courtney Cook, D.O.5 Stars!

Dr. Cook is a 2020 graduate of the Oklahoma State University College of Medicine. She completed her dermatology residency at the University of Oklahoma in 2024. She just recently joined Tulsa Dermatology Clinic, Inc. in July of 2024. Dr. Cook is board certified in dermatology. Dr. Cook treats all medical and surgical dermatology diseases with a special interest in skin cancer, Botox, and rashes (including psoriasis and eczema).
Dr. Cook is certified by the American Board of Dermatology.