Denise Marlatte, FNP

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Review by Anonymous on February 09, 2026 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ She listened to my concerns abou... ”

She listened to my concerns about previous procedures and quickly made adjustments to address my concerns

Verified Patient

“She listened to my concerns abou...”

She listened to my concerns about previous procedures and quickly made adjustments to address my concerns

Anonymous 02/09/2026

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Review by Anonymous on January 16, 2026 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Denise was great!! She had me b... ”

Denise was great!! She had me boarder line in tears from the care and compassion she showed. She is a very special person

Verified Patient

“Denise was great!! She had me b...”

Denise was great!! She had me boarder line in tears from the care and compassion she showed. She is a very special person

Anonymous 01/16/2026

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Review by Anonymous on December 30, 2025 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Denise was amazing. I was so anx... ”

Denise was amazing. I was so anxious about the appointment but I came out of it reassured about the plan going forward. She answered all my questions very patiently.

Verified Patient

“Denise was amazing. I was so anx...”

Denise was amazing. I was so anxious about the appointment but I came out of it reassured about the plan going forward. She answered all my questions very patiently.

Anonymous 12/30/2025

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Review by Anonymous on September 28, 2025 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ NP was great, she made me feel t... ”

NP was great, she made me feel to have a colonoscopy.

Verified Patient

“NP was great, she made me feel t...”

NP was great, she made me feel to have a colonoscopy.

Anonymous 09/28/2025

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Review by Anonymous on September 02, 2025 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Denise was very caring to my hus... ”

Denise was very caring to my husband's feeling & she made him & me very comfortable during our visit.

Verified Patient

“Denise was very caring to my hus...”

Denise was very caring to my husband's feeling & she made him & me very comfortable during our visit.

Anonymous 09/02/2025

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Review by Anonymous on January 25, 2026 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Love Denise!... ”

Love Denise!

Verified Patient

“Love Denise!...”

Love Denise!

Anonymous 01/25/2026

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Review by Anonymous on January 01, 2026 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Denise was exceptional. Engaging... ”

Denise was exceptional. Engaging, warm, and funny while also being very clear and approachable in her explanations about the procedure.

Verified Patient

“Denise was exceptional. Engaging...”

Denise was exceptional. Engaging, warm, and funny while also being very clear and approachable in her explanations about the procedure.

Anonymous 01/01/2026

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Review by Anonymous on December 23, 2025 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ NP Marlatte took the time to mak... ”

NP Marlatte took the time to make sure I felt comfortable and informed about the whole process. I am truly grateful for all that she did.

Verified Patient

“NP Marlatte took the time to mak...”

NP Marlatte took the time to make sure I felt comfortable and informed about the whole process. I am truly grateful for all that she did.

Anonymous 12/23/2025

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Review by Anonymous on September 03, 2025 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ Denise was very thorough and car... ”

Denise was very thorough and caring!

Verified Patient

“Denise was very thorough and car...”

Denise was very thorough and caring!

Anonymous 09/03/2025

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Review by Anonymous on August 22, 2025 -

MedStar Health Gastroenterology at MedStar Georgetown University Hospital - 3800 Reservoir Road NW Main Building, 2nd floor, Room 2210

Office & Staff Evaluation

Practice Evaluation

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

Provider Evaluation

Willingness to Spend Time with You Not rated
Listening Skills
Clear explanations
Trust in Decision Making Not rated
Accuracy of Diagnosis Not rated
Post-Visit Follow-Up Not rated

Comment - “ First appointment with Denise bu... ”

First appointment with Denise but not my last. She is an expert in her field.

Verified Patient

“First appointment with Denise bu...”

First appointment with Denise but not my last. She is an expert in her field.

Anonymous 08/22/2025

Office Hours

Nurse Practitioner - Family

Biography

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Summary

Photos

Specialties

Languages Spoken

Medical Specialties

Payment Options

Reviews

Office & Staff Evaluation Not rated

Provider Evaluation

Locations

Affiliated Practices

MedStar Health Gastroenterology at MedStar Georgetown University Hospital

MedStar Health Gastroenterology at Lafayette Centre

Practice Colleagues

John Carroll, MD - Internal Medicine Physician

Angelica Nocerino, MD - Internal Medicine Physician

Nadim Haddad, MD - Internal Medicine Physician

Stanley Pietrak, MD - Internal Medicine Physician

Shervin Shafa, MD - Internal Medicine Physician

Parnia Ghazanfari, MS, PA-C - Physician Assistant

James Frank, MD - Internal Medicine Physician

Lauren Livesay, FNP-C - Nurse Practitioner

Caren Palese, MD - Internal Medicine Physician

Mark Mattar, MD - Internal Medicine Physician

Procedures & Services

Procedures & Treatments Offered

Commonly Prescribed Medications

Accepted Insurance

Accepted Insurance