Mary Onderdonk, DNP, CRNP
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- NPI Number
- 1245802156
- Provider Type
- Individual Practitioner
- Credential
- DNP, CRNP
- Primary Specialty
- Physician Assistants & Advanced Practice Nursing Providers - Gerontology Nurse Practitioner
- License Number
- R234428
- Practice Address
- 6701 N Charles ST STE 4105
- City, State ZIP
- Towson, MD 21204
- Phone
- (443) 849-6255
- Last Updated
- June 8, 2026
- Source
- Publicly available data
Mary Onderdonk, DNP, CRNP is a physician assistants & advanced practice nursing providers - gerontology nurse practitioner provider located in Towson, MD. They offer physician assistants & advanced practice nursing providers - gerontology nurse practitioner services to patients in the Towson area.
As a physician assistants & advanced practice nursing providers - gerontology nurse practitioner provider in Towson, this clinician evaluates and treats patients for a range of common conditions seen in Towson and throughout MD.
The practice is located at 6701 N Charles ST STE 4105, Towson, MD 21204. Patients can call 4438496255 to schedule an appointment or use the directions link above to find the office from anywhere in the area.
Patients typically visit this provider for patients see nurse practitioners for primary care, sick visits, chronic disease management, women’s health, and preventive screenings.
If you plan to see this provider, it is a good idea to confirm that the practice accepts your insurance and is in-network before scheduling. Coverage details vary by plan, and our quote tool can help you compare options in MD.
This profile was last verified on June 8, 2026. Provider information is sourced from publicly available data and may not reflect recent changes. Please confirm details directly with the practice before scheduling.
Call for hours and appointments. Hours may vary by provider and location.
A patient’s guide to physician assistants & advanced practice nursing providers - gerontology nurse practitioner care in Towson, MD.
What a Physician Assistants & Advanced Practice Nursing Providers - Gerontology Nurse Practitioner provider does
Nurse practitioners are advanced practice registered nurses who diagnose and treat illnesses, prescribe medications, and manage patient care. They often serve as a patient’s primary care provider and work alongside physicians.
Common conditions treated
Nurse practitioners treat high blood pressure, diabetes, infections, minor injuries, respiratory illnesses, women’s health concerns, mental health conditions such as anxiety and depression, and chronic disease management needs.
Common reasons to schedule a visit
Patients see nurse practitioners for primary care, sick visits, chronic disease management, women’s health, and preventive screenings.
What to expect during a visit
Visits with a nurse practitioner are similar to those with a physician, including history, examination, diagnosis, and treatment planning. NPs emphasize patient education and preventive care.
Insurance coverage considerations
Nurse practitioner services are covered by most insurance plans, including Medicare and Medicaid. Use our quote tool to compare plans that include this provider.
How to choose the right physician assistants & advanced practice nursing providers - gerontology nurse practitioner provider in Towson
When choosing a nurse practitioner, confirm their specialty certifications (such as family, adult-gerontology, or psychiatric mental health) and whether they have an established relationship with supervising physicians for complex cases.
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Insurance acceptance not listed
The public NPI registry does not include insurance acceptance data. Contact the office directly to ask if they accept your insurance plan. You can also use our quote tool to find health plans in MD.
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Common questions about Mary Onderdonk, DNP, CRNP in Towson, MD.
How do I make an appointment with Mary Onderdonk, DNP, CRNP?
Call Mary Onderdonk, DNP, CRNP directly at their Towson office to schedule a visit. You can also use the contact form on this page to send a message and the practice will respond.
Does Mary Onderdonk, DNP, CRNP accept insurance?
Provider insurance information is not included in the public NPI registry data that powers this directory. Contact the office directly to ask whether they accept your specific insurance plan. You can also use our quote tool to find health plans in MD.
What are the office hours for Mary Onderdonk, DNP, CRNP in Towson?
Office hours for Mary Onderdonk, DNP, CRNP in Towson are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Mary Onderdonk, DNP, CRNP's Towson location?
Most provider offices in Towson offer on-site or nearby street parking. Call Mary Onderdonk, DNP, CRNP in Towson ahead of time to confirm parking options and accessibility accommodations.
Does Mary Onderdonk, DNP, CRNP offer telehealth?
Many physician assistants & advanced practice nursing providers - gerontology nurse practitioner providers in MD now offer telehealth visits for follow-ups, medication management, and routine consultations. Call Mary Onderdonk, DNP, CRNP to ask whether a telehealth visit is appropriate for your needs.
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Claim ProfileData is sourced from publicly available records. Public records do not confirm active license status, quality of care, insurance acceptance, or network participation. Please verify details directly with the provider before scheduling. Last updated June 8, 2026.