Marissa Kleffman Underwood, FNP
5.0(132 reviews)
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Office Hours

  • Mon:7:30am - 5:00pm
  • Tue:7:30am - 5:00pm
  • Wed:7:30am - 5:00pm
  • Thu:7:30am - 5:00pm
  • Fri:7:30am - 5:00pm

Marissa Kleffman Underwood, FNP
Nurse Practitioner - Family

Biography

Marissa Kleffman Underwood, FNP is a Nurse Practitioner - Family practicing in Greenville, NC

She has not yet shared a personalized biography with Doctor.com.

Featured Review See More Reviews

Good experience…

Anonymous

Summary

Provider Training

UniversityDegreeFocusGraduated
East Carolina University College of Nursing (Professional School)Other DegreeMaster of Science in NursingNot Specified

Photos

Provider Profile 0

Specialties

Languages Spoken
English
Medical Specialties
  • Nurse Practitioner - Sub-Specialty: Family

Accepts New Patients: Yes

Payment Options

Payment Details

Reviews

Average Rating: 5.0
Number of Reviews: 132
Most Recent Review: 09/16/2026
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Office & Staff Evaluation 5.0

Ease of Getting an Appointment 5.0
Courtesy of Practice Staff Not rated
Office Appearance & Atmosphere Not rated
Handling of Billing Matters Not rated
Average Wait Time Not Rated

Provider Evaluation 5.0

Listening Skills 5.0
Clear Explanations 5.0
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Verified Patient

“Good experience...”

Good experience

Anonymous 09/16/2026
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Verified Patient

“Marissa always seems to care and...”

Marissa always seems to care and listens to my concerns. She doesn't rush my appointment and seems to have my best interest at heart.

Anonymous 08/31/2026
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Verified Patient

“Always have a pleasant experienc...”

Always have a pleasant experience for my appointments.

Anonymous 08/17/2026
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Verified Patient

“She was relaxed, kind, and infor...”

She was relaxed, kind, and informative. I was very impressed.

Anonymous 07/06/2026
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Verified Patient

“I adore and admire every one the...”

I adore and admire every one there!!! They are all so sweet friendly and attentive!! Could not ask for better providers!!!!

Anonymous 06/15/2026
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Verified Patient

“FNP Kleffman Underwood is extrem...”

FNP Kleffman Underwood is extremely professional, knowledgeable and caring. She listens to my concerns and provides excellent care.

Anonymous 09/07/2026
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Verified Patient

“I already have been telling othe...”

I already have been telling others and informing them about the awesome process of going there see the same doctor don't have any o wait a long time to be seen very professional doctors awesome and friendly staff amazing!!! I even switched my insurance in order to stay where I am that is how much I love goung there!! Awesome treatment and they listen and are concerned from the front desk to check out!!! Awesome staff!!!

Anonymous 08/31/2026
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Verified Patient

“Nurse Practitioner was excellent...”

Nurse Practitioner was excellent

Anonymous 08/10/2026
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Verified Patient

“PA Kleffman is informative and k...”

PA Kleffman is informative and knowledgeable

Anonymous 07/02/2026
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Verified Patient

“Dr. Marissa is the best....”

Dr. Marissa is the best.

Anonymous 06/10/2026
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Locations

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Procedures & Services

Procedures & Treatments Offered

    Commonly Prescribed Medications

    Marissa Kleffman Underwood, FNP has not yet listed the medications that she commonly prescribes.

    Accepted Insurance

    Accepted Insurance

    Marissa Kleffman Underwood, FNP has not yet specified the insurance plans she accepts.