Primary Care | University of Maryland Medical System
Primary Care • Baltimore, MD • Since 1984
About
UMMS is a nonprofit, university-based health system headquartered in Baltimore, Maryland. Founded in 1984, it operates 11 hospitals across Maryland, over 150 care locations (including urgent care), and more than 2,400 licensed beds with about 100,000 annual admissions. The system partners with the University of Maryland School of Medicine to provide primary and specialty care, including services in trauma, cardiac care, cancer care, neurocare, transplant, women’s and children’s health, physical rehabilitation, and critical care. For primary care in the Baltimore area, UMMS offers affiliated clinics and networks staffed by physicians who coordinate with UM School of Medicine specialists to deliver routine and comprehensive care close to home. Notable locations in the region include facilities in Baltimore (HQ at 22 S. Greene St, Baltimore, MD 21201) and other Maryland cities, with the system serving as a major, university-affiliated primary care and specialty care provider.
Clinic Type
Primary Care
Address
22 S. Greene St, Baltimore, MD 21201, US
Phone
410-367-2222
UMQCNCompliance@umm.edu
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Insurance & Payment
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Languages Spoken
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Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Birdeye (UM BWMG Primary Care): 2.8 stars (17 reviews)
- Birdeye (UM Faculty Physicians): 2.4 stars (66 reviews)
- UMMS Patient Survey (Dr. Jeffrey Gerbino): 4.8 out of 5 stars (85 ratings)
- UMMS Patient Survey (Dr. Neil Siegel): 4.8 out of 5 stars (59 ratings)
- UMMS Patient Survey (Dr. Sharon Feinstein): 5 out of 5 stars (average of surveys) (85 ratings)
Patients praise
- Many patients report high satisfaction with individual primary care providers, frequently citing them as thorough, kind, and excellent listeners
- Providers are often described as knowledgeable and professional in their approach to chronic disease management and preventive care
- Strong sense of partnership in care between patients and their primary physicians
- High ratings for specific nurse practitioners and doctors, with many long-term patients expressing strong loyalty and confidence in their care providers
Common complaints
- Difficulties with administrative staff including rudeness and poor communication
- Billing and collection disputes, including being sent to collections for incorrect or disputed charges
- Strict appointment cancellation policies causing frustration for patients
- Perceived lack of empathy or poor bedside manner from some individual providers
- Dissatisfaction with hospital-level emergency or lab services, including long wait times and poor follow-up
"The provider was extremely rude and condescending. She refused to listen to me... In my 50 years, I have never been treated so poorly by a provider."
— UMMS patient review"I went there a bit over a month ago to receive emergency care because I was in so much pain. The way that I was treated by the staff was horrible."
— LocalityBiz patient review"Dr. Gerbino is the best PCP I have ever had. I really feel that we are partners and that he shares my concern/desire/efforts to achieve optimal health."
— UMMS patient reviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Primary Care | Downtown Baltimore, Baltimore County and Howard ... — Mar 2, 2026
- Find A Doctor | University of Maryland Medical Center — Dec 22, 2025
- Clinical Services - Maryland School of Medicine — Dec 15, 2025
- Primary Care Physician in Howard County, Maryland, United States — Mar 5, 2026
- Primary Care Physician in Pasadena, Maryland, United States — Jun 30, 2026
Information sourced from the clinic's website as of July 11, 2026.
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