Covid - 19 Office Protocol : New! 
(Virginia mask mantates to stay in place, despite CDC guidance for medical practices)
For the safety of all our patients we still requiring to wear a mask to enter to our office. Hand Sanitizer stations are placed in the office, (entrance, rooms and reception). The provider is only offering virtual (*) and in-person appointments.

We highly recommend all patients to stay home if you have any flu like symptoms such as (1)fever, (2) shortness of breath, (3) If you recently recently returned from an area requiring you to self-quarantine (traveling and/or hospitalization) for 14 days, or (5) you have been in contact with a positive Covid-19 case. The office does not perform Covid-19 testing. (*) Virtual appointments are currently unavailable for new patients. 

Taking Care of You

Striving For Excellence

The Care You Deserve

Disease Management

Using the latest medical knowledge, our endocrinologist,

Dr. Alejandro Santos Leal is dedicated to building long-lasting relationships based on trust, compassion and medical integrity. Please contact us today to schedule an appointment or make an appointment through our patient portal. 

Nurse Making Notes

Managing a medical condition can be overwhelming for anyone.  However, using a combination of education, medical treatments and medications, we seek to facilitate your disease management process.  



Monday:               8:20 am -4:00 pm

Tuesday:               8:20 am - 4:00 pm

Wednesday:          9:00 am - 5:00 pm

Thurday:               9:00 am - 5:00 pm

Friday:                  8:20 am - 1:30 pm

Saturday :             CLOSED

Sunday:                CLOSED

Address: 9001 Digges Rd, Suite 101,

Manassas, Virginia 20110


Hours may vary due to Diabetes and Endocrine Care of Virginia Business Hours

 Laboratory Services Currently unavailable. 

Monday:            8:00am -12:00 pm
                        1:00pm - 2:00pm

Tuesday:            8:00am - 12:00 pm
                        1:00pm - 2:00pm

Wednesday:      10:00am - 12:00 pm
                        1:00pm - 4:00 pm
Thursday:           9:00 am - 12:00 pm
                        1:00 pm -  3:00 pm

Friday:               8:00 am - 1:00 pm

           Laboratory Services Currently unavailable. 

2021 Holidays Calendar

  • ​Sunday, July 4 – Independence Day

  • Monday, July 5 – Independence Day (CLOSED)

  • Monday, September 6 – Labor Day  CLOSED

  • Monday, October 11 – Columbus Day CLOSED

  • Thursday, November 11 – Veterans Day CLOSED

  • Thursday, November 25 – Thanksgiving Day CLOSED 
    Friday, November 26

  • Friday, December 24 – Christmas Day CLOSED

  • Saturday, December 25 – Christmas Day

  • Friday, December 31 – New Year’s Day  CLOSED


  1. Please call at least 24 hours prior to your appointment (business days) to cancel or reschededule. Additional fees may apply.


  2. We suggest that all patients, before requesting their medicines, to be informed with the FAQ button above the website page. 


  3. Please contact your pharmacy to verify if you have any refills left, before contact the office.

  4. Refill requests may take up to 72 hours (3 business days) to be processed. 

  5. We are currently not having  Covid-19 Vaccine in our office.

  6. For non-emergency medical inquiries please allow 48-72 hours (business days) to be processed.