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Dr. Z Green Therapy

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This private medical practice offers comprehensive medical marijuana evaluations to any patients that has been seeking an alternative option to treat their condition, but has not found success in conventional treatment methods. Margaret M. Rajnic DNP, FNP-C, RN, who is better known to her patients as Dr. Z, will thoroughly assess the patient to determine the best way to treat the presented symptoms using a therapeutic and holistic approach. Dr. Z has over 25 years of medical experience, making her well-equipped to care for and treat an array of debilitating medical disorders. In addition to treating Maryland residents, Dr. Z happily accepts patients residing in neighboring states like Virginia, West Virginia, and Washington D.C., who do not have access to a certifying physician in their area.


First Time: $195

Follow Up: $0

Renewal: $150

Discount Price: $156

Booking Fee: $0

Length: 30 min

Insurance Accepted: No

Years In Practice: 27

Office Hours:

Tuesday:11:00 AM - 7:00 PM
  • Payment Methods:
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Pre-Visit Requirements

  • Out of state patients are welcome. Since the MD law requires that you have an exisiting relationship with a maryland physician before being certified in the state out of state patients will be required to come in for a routine physical prior to their appointment for certification
  • All patient must provide medical records supporting their medical condition
  • 20% Compassionate Discount available for Veterans

  1. Patients must be18 years of age or older.
  2. Patients must have a valid US government issued photo ID i.e. driver's license, state identification card. 
  3. Patients are require to apply to with the Maryland Medical Cannabis Commision before they can be certified. It is strongly recommend that this is completed prior to the patients appointment.
  4. You must have medical records as proof of your current medical condition. 
  5. If you wish to obtain your medical records, you may complete this medical records release and send it to the doctor who has your records.
  6. Confirm that we have received medical records, or bring them to your appointment.

Cannabis Doctor Info

The office is in Baltimore Co., close to Cockeysville, Hampton, Carney, Owings Mills, Towson, and Garrison. Dr. Margaret Rajnic, or Dr. Z, has been practicing for over two and a half decades, and spent 20 years as a Family Nurse Practitioner. In addition to her diverse medical experience, Dr. Z serves as an educator and health care consultant, holding faculty positions at Rutgers, Catholic, and Drexel Universities. She is a member of notable organizations including the American Association of Critical Care, the Trauma Society, and the American Academy of Nurse Practitioners. Her passion for education and compassionate care are applied to each patient, ensuring they are receiving the highest level of quality treatment. 

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