Diana Quintero, MD | Knoxville, TN | Pulmonologist

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Dr. Diana Quintero treats asthma and allergic rhinitis and performs pulmonary function testing, bronchodilator reversibility testing, and asthma challenge tests. She practices pulmonology in Knoxville, Tennessee, and has 33 years of experience.

Board-certified in pediatrics by the American Board of Pediatrics, Dr. Quintero earned her medical degree from Universidad Del Valle, Cali, División de Ciencias de la Salud. Patients on Vitals rate Dr. Quintero 4.62 out of 5.

Overview based on verified provider data

accepting new patients
4.6

16 Ratings
33 years of experience
23 insurance plans accepted
speaks English
Universidad Del Valle, Cali
12 written reviews
1 award
1 specialty
2 areas of expertise
1 board certification
1 office location
Female

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me

Based on patient feedback. Read the reviews

Diana Quintero's Ratings and Reviews

4.6

16 Ratings with 12 written Reviews

Average Wait Time 16 Minutes

How was your appointment with
Diana Quintero?

Patients’ Perspective

Gave an accurate diagnosis: (6) Did WellNeeds Improvement (0)
Had a good bedside manner: (5) Did WellNeeds Improvement (1)
Spent time with me: (5) Did WellNeeds Improvement (1)
Provided follow-up after the visit: (5) Did WellNeeds Improvement (1)
Flexible scheduling: (6) Did WellNeeds Improvement (0)
Saw me in a timely manner: No Ratings
Staff was courteous: No Ratings

16 ratings & reviews

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Showing 1 to 10 of 12 reviews

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Dr. Quintero is so amazing and I love seeing her! She always takes her time with my child and updates me about recommend changes for his age group and talks to me about his care plan.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

August 6th, 2026 | Source: Partner

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All very friendly people

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

July 17th, 2026 | Source: Partner

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Dr Quintero has been a godsend for Ander. She consistently makes our family feel cared for and supported.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

September 20th, 2025 | Source: Partner

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Dr Quintero is fantastic. Would highly recommend her.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

June 25th, 2025 | Source: Partner

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We really appreciate our doctor's excellent care, dedication and willingness to help. Mrs. Diana is a very professional and nice doctor. We are so happy to be assigned to her.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

May 4th, 2025 | Source: Partner

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My other kids have seen other children's specialists and this appointment was the best explanation I had ever been given.

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

January 11th, 2025 | Source: Partner

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The provider is seriously the best doctor we have ever had! We love her

Did Well

Needs Improvement

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling
Saw me in a timely manner
Staff was courteous

December 10th, 2024 | Source: Partner

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Dr. Quintero is an exceptional doctor. She takes time to listen and talk to our daughter personally. We have seen countless doctors in the last 12 years of her diagnosis and no one compares to her knowledge, expertise, professionalism, and kindness. We LOVE her and would HIGHLY recommend her to anyone needing a pulmonologist!!!

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

November 22nd, 2016

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Very impressed with her- she listens, she is smart and my son loves her! His breathing problems went away shortly after our first visit and he has been doing great ever since

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

July 18th, 2015

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Very pleased. She is very professional, spent time making sure I understood what was wrong with my child.

Did Well

Gave an accurate diagnosis
Had a good bedside manner
Spent time with me
Provided follow-up after the visit
Flexible scheduling

Needs Improvement

August 19th, 2013

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Dolly Parton Children's Hospital Pulmonology

2018 Clinch Ave Fl 1Knoxville, TN 37916

Tel: (865) 637-8481

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:30 am - 12:00 pm

SatClosed

SunClosed


Diana Quintero, MD	Dr. Kunal Dhiren Gada	Dr. Walter Michael Zibas, MD	Dr. Bruce Lowell Henschen, MD
Pulmonology	Critical Care Medicine	Pulmonology	Internal Medicine
Accepts New Patients		Accepts New Patients	Accepts New Patients
4.6 (16 Ratings)	0 (0 Ratings)	5 (3 Ratings)	5 (1 Rating)
33 Years of Experience	14 Years of Experience	34 Years of Experience	44 Years of Experience
No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option	No Virtual Visit Option
Speaks English		Speaks English	Speaks English
Knoxville , TN	Powell , TN	Knoxville , TN	Knoxville , TN
Med School: Universidad Del Valle, Cali	Med School: Dr D Y Patil Medical College	Med School: East Tennessee State University James H Quillen College Of Medicine	Med School: The Brody School Of Medicine At East Carolina University
Current Profile	View Profile	View Profile	View Profile

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Pulmonology

Asthma
Cystic Fibrosis

Diana Quintero holds an expired medical license in the state of Tennessee. They are board certified in Pediatrics by the American Board of Pediatrics.

Board Certifications

Board certified in Pediatrics by the American Board of Pediatrics.

Medical License

Medical Doctor with an expired medical license in the state of Tennessee that expired in 2026.

Education & Training

Medical School

Graduated from Universidad Del Valle, Cali and Universidad Del Valle, Cali, Division De Ciencias De La Salud in 1993.

NPI Number

Diana Quintero's NPI number is 1992759906.

Sierra Nicole Roccasalva
Nurse Practitioner
| Knoxville, TN
(0)
Dr. William Philip Powers, MD
Critical Care Medicine
44 Years Exp | Knoxville, TN
(20)
Dr. Angela Lynn Keeton, MD
Pediatrics
24 Years Exp | Talbott, TN
(3)
Dr. Jonathan Thomas Mcfarland, DO
Critical Care Medicine
11 Years Exp | Lansing, MI
(0)
Dr. Thomas Alan Sullivan JR., MD
Critical Care Medicine
61 Years Exp | Knoxville, TN
(2)
Dr. Sunil Govind Chulani
Critical Care Medicine
9 Years Exp | Knoxville, TN
(0)
Dr. Benjamin Thomas Bevill, MD
Critical Care Medicine
14 Years Exp | Knoxville, TN
(1)
Dr. Francisco Javier Soto, MD
Critical Care Medicine
34 Years Exp | Knoxville, TN
(9)
Dr. Matthew Hicks, DO
Critical Care Medicine
9 Years Exp | Knoxville, TN
(0)
Dr. Mohammad Thaer Salem Arabiat
Critical Care Medicine
13 Years Exp | Knoxville, TN
(0)

Does Diana Quintero accept virtual/telehealth appointments?: Diana Quintero has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Diana Quintero's office located?: Diana Quintero's office is located at 2018 Clinch Ave Fl 1, Knoxville, TN, 37916.
What languages does Diana Quintero speak?: Diana Quintero speaks English.
How can I make an appointment with Diana Quintero?: You can find contact information for Diana Quintero here on Vitals.
Does Diana Quintero accept my insurance?: You can see the insurance plans that Diana Quintero accepts on their Vitals profile.

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