Welcome to Heath Street Dental, Orthodontic & Implant Centre!


At Heath Street Dental in Hampstead, we provide high quality dental care in all types of Family Dentistry as well as advanced dental treatments with a focus on Orthodontics and Implants. We maintain strict standards in evidence based care. Our clinicians will always aim to preserve teeth at every opportunity and extend longevity of tooth tissue.
Our aim is to understand the needs of our patients. We ensure your and your children’s treatment is carried out in complete confidence by expertly trained professionals and specialists. We believe in ensuring you are fully informed when making decisions about your care and so your Hampstead dentist will always give you all the options available for your treatment.


Radhika Heath Street Dental

Dr Radhika Parekh: Principal Dentist

BDS, MJDF RCS (Eng), CertMOS RCS (Eng)
GDC number: 193196 

Dr. Radhika Parekh is the founder as well as Principal Dentist at Heath Street Dental, Orthodontic & Implant Centre. She graduated from Kings College London. She then spent time practicing in hospital, where she treated a vast number of adults as well as children with complex medical histories and dental phobias.

Radhika holds various post-graduate qualifications such as the MJDF with the Royal College of Surgeons of England. She also holds a Certificate in Oral Surgery. At Heath Street Dental, she focuses on all types of family and cosmetic dentistry. She enjoys treating children as well as managing anxious or nervous patients. Radhika regularly visits schools across London to give oral hygiene guidance to children and parents. She believes in preventative treatment and long-term preservation of tooth tissue where possible.

Radhika is a member of the General Dental Council, the British Dental Association and the Royal College of Surgeons of England.

Konstantinos Heath Street Dental

Dr Konstantinos Mitsimponas: Specialist Consultant Oral & Maxillofacial Surgeon

MBBS, BDS, MBA, MSc, FA-MKG, Dr. med. dent, Dr. med.
GDC number: 82717

Dr. Mitsimponas is an experienced Oral and Maxillofacial Surgeon. He is on the specialist register with both the General Medical Council (GMC) and the General Dental Council (GDC).

After qualifying in both Medicine and Dentistry in Greece, Konstantinos started his specialist training in renowned UK centres, such as the Barts & The Royal London Hospital. After this he moved to one of the most prestigious German centres for Oral and Maxillofacial Surgery, the University Hospital of Erlangen in Nuremberg. Here he completed his training under Prof. Dr. Dr. Neukam and worked as a specialist. In these positions, Konstantinos acquired extensive experience in all aspects of Oral and Maxillofacial surgery. His interests include trauma surgery, salivary gland surgery, cancer and reconstructive surgery including skin cancer surgery, cleft surgery, orthognathic surgery, dentoalveolar surgery and implantology.

In addition, Konstantinos is actively engaged in research, participating or leading laboratory and clinical research projects. This research has culminated in the award of two doctorates (in Medicine and in Dentistry), numerous publications in peer reviewed journals as well as presentations in national and international meetings.

Konstantinos was appointed as a Consultant at the Royal Free Hospital in Hampstead, London in January 2016, a position that he currently holds.

At Heath Street Dental, Orthodontic & Implant Centre, Konstantinos offers the full spectrum of dentoalveolar procedures. He has a particular emphasis in implantology, where he undertakes simple as well as complex cases, such as those requiring bone augmentation.

Heath Street Dental

Dr. Kemi Onabolu: Specialist Orthodontist

BDS (Hons), MPH(Yale) MSc(Lond), MOrth RCS (Ed)

GDC number: 250202

Dr Kemi graduated as a dentist in 2006 with honours. Following graduation, she spent time working in hospital and general practice. She also completed a Masters in Public Health degree from Yale University in 2010. Kemi then embarked on a 3 year orthodontic postgraduate degree at Guy’s and St Thomas Hospital. Here she gained her Masters of Science degree in orthodontics finishing with a distinction. Furthermore, Kemi was awarded the Membership in Orthodontics from the Royal College of Surgeons of Edinburgh in 2016.

At Heath Street Dental, Kemi treats both adults and children using a variety of orthodontic appliances. These include conventional fixed braces, ceramic braces, lingual appliances as well as removable and functional appliances.

Sonia Heath Street Dental

Dr. Sonia Alam: Specialist Prosthodontist

BDS , MClinDent

GDC number: 114634

Dr Sonia qualified from King’s College London in 2007 and has worked in general practice and hospitals. She is passionate about providing high quality as well as comfortable dentistry without compromising on the aesthetic outcome. At Heath Street Dental, her particular interests lie in creating natural looking, beautiful smiles as well as in replacing missing teeth with implants, bridges and where appropriate dentures. She also enjoys the challenge of restoring mouths which have had more complicated problems such as tooth wear or failing dental work. Sonia is well-qualified to undertake complicated treatment plans. She is a GDC-registered specialist in Prosthodontics. Furthermore, she has obtained her Masters in Clinical Dentistry at King’s College London in 2014 and holds a Membership with the Royal College of Surgeons of Edinburgh.

In addition, Sonia has presented her Masters’ research at the International Association of Dental Research General Session in Seattle, Washington, USA. She also teaches at the Royal College of Surgeons of England and at King’s College London.

When away from her Heath Street Dental instruments, Sonia enjoys travelling the world (every new place visited is her favourite place ever). She also spends time with friends and family. Finally, her hobbies include listening to live music and cooking.

Dr. Sheelna Gada: General Dentist


GDC number: 229366

Dr. Sheelna qualified from the University of Leeds with a certificate of merit in paediatric (children’s) dentistry. She has completed her MFDS post graduate qualification and is a member of the Royal College of Surgeons in Edinburgh. She has worked in general practice in London, Cheltenham and Buckinghamshire. Sheelna has a keen focus on preventative care, and ensuring a calm and pleasant patient experience.

Helping nervous patients feel more relaxed in the dental setting is a priority for Dr. Sheelna, and she is dedicated to providing minimally invasive dentistry in a gentle and friendly manner. She loves treating children at Heath Street Dental and enjoys all aspects of restorative dentistry, particularly endodontic treatment and composite restorations. She is also committed to her continued professional development for the benefit of her patients.

Outside of dentistry Sheelna is an enthusiastic baker, and enjoys exploring different cultures, especially different foods! She enjoys travelling and spending time with family and friends.


Dental Expertise

We have expert clinicians in each field to provide all types of dental treatment in house. Our dentists, specialists and also consultants all work together as a team to ensure your dental needs are covered.


Feel free to come early to your appointment. You can relax in our reception area with a selection of herbal teas and Wi-Fi access. Emergency or out of hours appointments are available.


Please do not hesitate to contact our front desk for all your needs. We are happy to arrange transport, overnight stays or even a discreet service for those who prefer sole access on request.


We use state of the art equipment and the latest techniques to benefit your oral health, increase the lifetime of your restorations and make your visit more enjoyable. We are also a disabled friendly practice.



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