0 reviews
Summary
Dr. Mark Sinclair is a family medicine physician with additional training in surgery who has been practicing for 16 years. He earned his medical degree from the University of Miami Leonard M Miller School of Medicine, providing him with a strong foundation in comprehensive patient care across all age groups.
Dr. Sinclair practices at the Family Health Center of Harlem in New York, NY, where he focuses on treating substance use disorders and teen substance use issues. His expertise includes providing counseling services and managing patients with alcohol or drug use concerns. Additionally, he helps patients with diabetes management through insulin pen training and assists those requiring autoinjector medications for various conditions.
Dr. Sinclair practices at the Family Health Center of Harlem in New York, NY, where he focuses on treating substance use disorders and teen substance use issues. His expertise includes providing counseling services and managing patients with alcohol or drug use concerns. Additionally, he helps patients with diabetes management through insulin pen training and assists those requiring autoinjector medications for various conditions.
Overview based on verified provider data
Quick Facts
- 16 years of experience
- 5 insurance plans accepted
- University Of Miami Leonard M Miller School Of Medicine
- 2 specialties
- 2 areas of expertise
- 1 office location
- Male
Office Location
Family Health Center Of Harlem
1824 Madison AveNew York, NY 10035 Tel: (212) 423-4500
Mon8:00 am - 8:00 pm
Tue8:00 am - 8:00 pm
Wed8:00 am - 8:00 pm
Thu8:00 am - 8:00 pm
Fri8:00 am - 8:00 pm
Sat8:00 am - 6:00 pm
Sun8:00 am - 6:00 pm
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Mark Gregory Sinclair, MD | Rafael Yaakobov, FNP | Dr. Randa A Hussein Badawy, DO | Anthony D. Rella |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 16 Years of Experience | 8 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Arabic | Speaks English | |
| New York , NY | Bronx , NY | Wayne , NJ | Denville , NJ |
| Med School: University Of Miami Leonard M Miller School Of Medicine | Med School: NYIT College of Osteopathic Medicine | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Mark Gregory Sinclair
Medical Specialties
Dr. Mark Gregory Sinclair has the following 2 specialties
Specialty Expertise
Dr. Mark Gregory Sinclair has the following 2 areas of expertise
Certifications, License, & Education
16 Years Experience
Dr. Mark Gregory Sinclair holds an active medical license in the state of New York.
Medical License
Medical Doctor with an active medical license in the state of New York that expires in 2027.
Education & Training
Medical School
Graduated from University Of Miami Leonard M Miller School Of Medicine in 2010.
NPI Number
Dr. Sinclair's NPI number is 1275827123.
Similar doctors
Frequently Asked Questions
- Is Dr. Mark Sinclair accepting new patients?
- Dr. Mark Sinclair has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Mark Sinclair accept virtual/telehealth appointments?
- Dr. Mark Sinclair has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. Mark Sinclair accept my insurance?
- You can see the insurance plans that Dr. Mark Sinclair accepts on their Vitals profile.
- How can I make an appointment with Dr. Mark Sinclair?
- You can find contact information for Dr. Mark Sinclair here on Vitals.
- Where is Dr. Mark Sinclair's office located?
- Dr. Mark Sinclair's office is located at 1824 Madison Ave, New York, NY, 10035.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.




