Mary Klein, RN, FA
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- NPI Number
- 1043364714
- Provider Type
- Individual Practitioner
- Credential
- RN, FA
- Primary Specialty
- Nursing Service Providers - Registered Nurse
- License Number
- 2000152451
- Practice Address
- 4551 Klein RD
- City, State ZIP
- Waterloo, IL 62298
- Phone
- (618) 978-4614
- Last Updated
- June 8, 2026
- Source
- Publicly available data
Mary Klein, RN, FA is a nursing service providers - registered nurse provider located in Waterloo, IL. They offer nursing service providers - registered nurse services to patients in the Waterloo area.
As a nursing service providers - registered nurse provider in Waterloo, this clinician evaluates and treats patients for a range of common conditions seen in Waterloo and throughout IL.
The practice is located at 4551 Klein RD, Waterloo, IL 62298. Patients can call 6189784614 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 IL.
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 nursing service providers - registered nurse care in Waterloo, IL.
What a Nursing Service Providers - Registered Nurse 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 nursing service providers - registered nurse provider in Waterloo
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 IL.
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Common questions about Mary Klein, RN, FA in Waterloo, IL.
How do I make an appointment with Mary Klein, RN, FA?
Call Mary Klein, RN, FA directly at their Waterloo 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 Klein, RN, FA 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 IL.
What are the office hours for Mary Klein, RN, FA in Waterloo?
Office hours for Mary Klein, RN, FA in Waterloo are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Mary Klein, RN, FA's Waterloo location?
Most provider offices in Waterloo offer on-site or nearby street parking. Call Mary Klein, RN, FA in Waterloo ahead of time to confirm parking options and accessibility accommodations.
Does Mary Klein, RN, FA offer telehealth?
Many nursing service providers - registered nurse providers in IL now offer telehealth visits for follow-ups, medication management, and routine consultations. Call Mary Klein, RN, FA 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.