Call 212.755.5500 and select option #3 for insurance and billing. You will then be transferred to the Dasha Wellness billing department. A friendly voice will assist you. If you would like to discuss a billing question, our billing department is open Mon-Fri from 9:00 a.m. to 5:00 p.m. If it is after hours please contact 212.755.5500, option 1, and someone will assist you accordingly. Also, please notify us if any changes have occurred such as: Any new health issue, insurance plan, credit card on file, relocation, new employment, new email, etc.