Our Team

Commitment to Patient Care

At Paladin Dermatology, we take a team-based approach to providing the highest quality skin care services. Our team is comprised of board-certified Dermatologists, Nurse Practitioners, and Physician Assistants who are highly experienced and dedicated to providing the highest quality of care available. A key component of our practice is access to care. When you have a problem, you shouldn’t have to wait weeks or months for help. All patients have the right to medical care that is timely, affordable, and effective. We  offer extended hours and participate with most insurance plans available in our area, including Medicare, Medicaid, Tricare and much more. Our providers are ready to meet your dermatology needs when you need it.

Our Providers


Dr. Mana Ogholikhan, a native of Iran, graduated from Georgetown University School of Medicine with a Medical Doctorate in 2003. She completed her residency as Chief Resident – Dermatology at Georgetown University Hospital in 2007. Her experience has included a wide range of dermatology patient care.

Dr. Ogholikhan’s scope of practice includes medical, surgical, and cosmetic dermatology. Seeing patients of all ages, she is excited to work with her patients to provide top notch care.

After spending her formative years in Iran, Dr. Ogholikhan attended middle and high school in Toronto and New York City. She first came to Richmond, VA to attend college at the University of Richmond. She currently lives in Richmond with her spouse and her two school aged children. When she is not working, she enjoys exercising, reading, and spending time with family and friends.


2007 Board Certification

2006-2007 Chief Resident- Dermatology
Georgetown University Hospital

2004-2007 Dermatology Residency
Georgetown University Hospital

2003-2004 Medical Internship
University of Virginia, Roanoke-Salem Program

1999-2003 Medical Doctorate
Georgetown University School of Medicine

1995-1999 B.S. – Biology
University of Richmond

Professional Associations

  • American Academy of Dermatology Member
  • American Medical Association Member

Publications & Presentations

  • Guest Lecturer at Prince George’s Hospital at the Department of Dermatology April 2008 – December 200
  • Carrie W. Cobb, M.D., Angela J. Lotsikas-Baggili, M.D., and Mana Ogholikhan, M.D. Section Editor: Amor Khachemoune, M.D., C.W.S. Amor Khachemoune, M.D., C.W.S. What Caused This Facial and Lip Edema? Skin and Aging, 2007 Sep.
  • Deng A, Harvey V, Sina B, Strobel D, Badros A, Junkins-Hopkins JM, Samuels A, Ogholikhan M, Gaspari, A.
  • Interstitial granulomatous dermatitis associated with the use of tumor necrosis factor alpha inhibitors.
  • Arch Dermatol. 2006 Feb; 142(2):198-202.
  • Agnieszka Kupiec-Banasikowska, MD, Ravi Ratnavel, MD, Mana Ogholikhan, MD
  • eMedicine: Rosacea. August 2005.
  • Ogholikhan M., Bahram Sina.
  • Case presentation. 7th International Congress of Dermatology. Tehran, Iran. September 2005.
  • Ogholikhan M. MD, Welsh, R. MD, Kauffman L. MD, Recognizing Systemic Fungal Infections. Emergency Medicine. 2003. Vol 35, Number 11, 43-56.
  • Khachemoune A, Ogholikhan M. Whitish papules and plaques on the tongue.
  • Am Fam Physician. 2004 Dec 15;70(12):2353-4.
  • Khachemoune A. MD, Klausener B. MD, Ogholikhan M. MD, Kauffman L. MD Photo Vignette: Smelly, Macerated Feet Diagnosis: Pitted keratolysis (PK). Skin and Aging. ISSN: 1096-0120. Volume 10 Issue 09 – September 2002 – Pages: 87 – 88

Margaret J. Constante, DNP, FNP-BC

Dr. Margaret J. Constante, is a board certified as a Family Nurse Practitioner earning her Doctor of Nursing Practice from Old Dominion University in 2014 and her Master’s Degree in the Science of Nursing from Virginia Commonwealth University in 2004. She is a native of Virginia Beach and received her Associates and Bachelors degrees from Norfolk State University. She has 16 years of pediatric and adult dermatology experience in the central Richmond area, was an adjunct faculty member for Old Dominion University, School of Nursing Doctoral Program, and served as a nurse practitioner preceptor.

She is passionate about general and surgical dermatology care, enjoys teaching patients and family members, and has a special interest especially in eczema and telemedicine.

Margaret, also known as Maggie to her friends, colleagues and patients, believes that good communication, trust, and patient advocacy are necessary for delivering quality patient care.

Accolades/Research and presentations include:

2014-Banner Carrier for Doctoral Program at ODU, highest GPA
2004-Graduated with Honors with her Masters of Nursing Practice
1998-Graduated Summa Cum Laude

Arnold, M., Constante, MJ and Rutledge, C. “Impact of Cardiology Telehealth Utilization for Improving Timing of Diagnosis, Compliance, Treatment and Patient Satisfaction”
Graduate Research Achievement Day, Old Dominion University, Norfolk, VA, March 2016

Constante, MJ and Haney, TS. “Web Education and Smartphone Use in Dermatology: Outcomes in Childhood Atopic Dermatitis”.
Mid-Atlantic Telehealth Resource Summit, Annual Conference, Cambridge, MD, April 2016

Constante, MJ and Haney, TS. “Parental Empowerment Program for Children with Atopic Dermatitis: Interventions Utilizing Telehealth”
Virginia Council of Nurse Practitioners 2014 Annual Conference, Reston, VA, March 2014
Graduate Research Achievement Day, Old Dominion University, Norfolk, VA, March 2014

Lesions and Rashes: When to Consider Doing a Biopsy (lecture and workshop)- Virginia Council of Nurse Practitioners 2009 Annual Conference, Williamsburg VA, March 2009.

In her time off, she volunteers as part of two pet therapy dog teams with her shih-tzus and enjoys spending time outdoors and traveling with her partner.

Amy Black, ACNP-BC, DCNP

For more than two decades, Amy Black has dedicated herself to finding, honing, and sharing proven practices for deep health.  Amy is a board certified Nurse Practitioner who has over 14 years experience in the field of dermatology.  She received her undergraduate degree at the University of Virginia (Biology/French Language and Literature) and her Bachelors and Masters of Science Degree in Nursing from Virginia Commonwealth University in 2002.  Amy was a member of Sigma Theta Tau National Honor Society and received scholarships for academic achievement.   In 2010, she became one of the first Nurse Practitioners to pass the Dermatology Certified Nurse Practitioner exam through the Dermatology Nurse Practitioner Association.  Seeking a more holistic approach to illness, she studied with the Institute for Functional Medicine, where she was certified in 2018. 

Amy values listening to her patients and believes that they have a lot of insight into their own health. She is a patient advocate and does her best to provide the best dermatological care possible.   

Amy spends her free time gardening, mountain biking and cooking. She lives with her husband, son, and poodle in Richmond.

Wyndell Merritt, MD 

Dr. Wyndell Merritt is Board-Certified in both Plastic and Hand Surgery with over 40 years of experience.  A graduate of Davidson College and the UNC School of Medicine, he is a lifelong Tarheel (GO HEELS!!!!).  

Throughout his illustrious career, he has trained or taught at Emory University, the University of Arizona Medical Center, Stanford Medical School, the University of Florida Teaching Hospital, the Medical College of Virginia (VCU), Harvard University, the University of Virginia, and the Womack Army Hospital at Ft Bragg. As a Major in the US Army Medical Corps, he served at the 85th Evacuation Hospital in South Vietnam, where he was awarded the Bronze Star for his work in reconstructive surgery on leprosy patients. He was also the winner of the American Society of Plastic Surgeons “Iron Surgeon” award multiple times. With close to 50 publications in a variety of respected medical journals, Paladin Dermatology is proud to have him on our staff.  

Dr. Merritt believes that with compassion, empathy, and a willingness to listen to patients, doctors can truly build the trust needed with their patients to help them heal.  

Dr. Merritt is the proud father of two grown children, and when he is not working he enjoys hunting, fishing, and listening to bluegrass music.  


Dr. Alan Rolfe, our supervising physician with over 35 years of Dermatological experience, is a graduate of Wake Forest University and Florida College of Medicine. He completed his Internal Medicine Residency as Chief Resident from Naval Regional Medical Center. He completed his Dermatology Residency at National Naval Medical Center and Walter Reed Army Medical Center.

Dr. Rolfe is board certified in Dermatology and Internal Medicine. He is licensed to practice medicine and surgery in the Commonwealth of Virginia. He is a fellow of the American Academy of Dermatology and American College of Physicians, a member of Phi Beta Kappa and the American Medical Association. He is a lifetime member of the Associations of Military Surgeons and Military Dermatologists of the United States as well as a retired Captain in the US Navy.

Assisting patients of all ages, Dr. Rolfe’s expertise lies in general medical and surgical dermatology.

Call today to schedule your appointment - 804.324.4511