Centennial Medical Group
Family Medicine • Columbia, MD • Since 1990
About
Centennial Medical Group (CMG) is a private group practice of internists, family physicians, and certified nurse practitioners offering primary care, urgent care, and related services. Founded in 1990 and headquartered in Elkridge, MD, CMG operates five offices across Maryland and California, with a presence in Howard County and Laurel. Services include primary and family care, urgent care, physical therapy, allergy testing, weight management, occupational health, and clinical research. Main contact: info@cmg.md; phone numbers: (410) 432-1011, 410-397-7575, (410) 730-3399. Notable locations include the Elkridge HQ at 8186 Lark Brown Rd and Laurel/Ellicott City area offices.
Clinic Type
Family Medicine
Address
6250 Old Dobbin Lane, Columbia, MD 21045
Phone
+1-410-730-3399
cmg@centennialmedical.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Team
Insurance & Payment
All providers board-certified; recognized by NCQA, Angie’s List, and Cigna care (implies accepted payors may include these organizations, but no explicit list provided
Billing inquiries, Inmed/payment processor references not a payment method per se
Languages Spoken
Awards & Accreditations
Social Media
Photos






What Patients Say
Overall sentiment across review platforms: mixed
- Yelp, MapQuest, Apple Maps, BestProsInTown: Approximately 2.9 to 3.0 stars (Varies significantly by platform (e.g., 86 on MapQuest/Yelp, 172 on BestProsInTown))
Patients praise
- Some physicians described as stellar, thorough, and compassionate
- Professional medical care provided by some clinical staff
- Practice offers a variety of services under one roof
Common complaints
- Billing, collections, and insurance filing issues
- Unprofessional or dismissive administrative staff/billing department
- Long wait times and technical issues (e.g., computer outages) at check-in
- Concerns regarding the focus on profit over patient care
"The health care team is fine, but the billing department is awful. They bill whatever they want to and it takes for ever to get a call back."
— BBB Complaints/General patient feedback"Dr. Geller is stellar; he takes his time, reviews records, makes recommendations, asks questions, explains everything, and gives options."
— BestProsInTown Review"Worst ever. Do not use this company... It's now August. I am still receiving original bills. I've contacted my two insurance companies to complain."
— LocalityBiz ReviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Kayla White — Apr 19, 2026
- Dr. Jean Wu, MD, MHS - Columbia, MD - Internal Medicine - Schedule an Appointment — May 20, 2026
- Columbia Medical Practice Data Breach – Investigated by Federman & Sherwood — Apr 28, 2026
- Greenbelt | Primary Care Doctor at First Medical Associates — Oct 16, 2025
- Nancy McAlduff, FNP - Eldersburg, MD - Family Medicine — May 4, 2026
Information sourced from the clinic's website as of July 11, 2026.
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