Vivienne Yoon, MD | McKinney, TX | Endocrinologist

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Dr. Vivienne Yoon is an endocrinologist who specializes in diabetes and metabolism, as well as internal medicine. She earned her medical degree from the University of Texas Medical Branch at Galveston and completed her residency at Wake Forest University School of Medicine. Dr. Yoon further enhanced her expertise through a fellowship at UT Southwestern Medical Center in 2012. With 20 years of experience in medicine, she holds board certification in internal medicine from the American Board of Internal Medicine. She provides care in English.

Dr. Yoon practices at Baylor Scott & White Endocrinology Specialists in McKinney, Texas, and maintains hospital privileges at Baylor Scott And White All Saints Medical Center Fort Worth. Her clinical expertise includes treating bone health conditions like osteoporosis and juvenile osteoporosis, as well as managing serious diabetes complications such as hyperglycemic emergencies. She offers specialized treatment options through infusion clinic …services and provides intravenous therapies when needed. Patients rate Dr. Yoon 4.8 out of 5 stars for her compassionate and expert care.

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Overview based on verified provider data

accepting new patients
4.8

69 Ratings
20 years of experience
40 insurance plans accepted
speaks English
UT Southwestern Medical Center
55 written reviews
1 award
2 specialties
11 areas of expertise
2 board certifications
1 hospital affiliation
1 office location
Female

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

Based on patient feedback. Read the reviews

Vivienne Yoon's Ratings and Reviews

4.8

69 Ratings with 55 written Reviews

Average Wait Time 8 Minutes

How was your appointment with
Vivienne Yoon?

Patients’ Perspective

Gave an accurate diagnosis: (8) Did WellNeeds Improvement (0)
Had a good bedside manner: (48) Did WellNeeds Improvement (0)
Spent time with me: (60) Did WellNeeds Improvement (0)
Provided follow-up after the visit: (8) Did WellNeeds Improvement (0)
Flexible scheduling: (58) Did WellNeeds Improvement (2)
Saw me in a timely manner: (41) Did WellNeeds Improvement (0)
Staff was courteous: (41) Did WellNeeds Improvement (0)

Patients consistently praise Dr. Vivienne Sojee Yoon for her exceptional listening skills, thoroughness, and compassionate approach, highlighting her ability to explain medical issues clearly and include patients in their treatment plans. Her friendly demeanor and professionalism are frequently noted, with several patients expressing gratitude for her positive impact on their healthcare. Some feedback indicates a negative experience related to the referral process requirements, which caused inconvenience for a patient trying to consult her without prior referral documentation. Overall, the reviews reflect a strong appreciation for Dr. Yoon's care, but with a suggestion to revisit administrative procedures that may affect accessibility to her services.

AI-generated from the text of patient reviews

69 ratings & reviews

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Showing 1 to 10 of 55 reviews

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Dr Yoon has listened to my concerns without gaslighting me. She has been wonderful.

April 4th, 2026 | Source: Partner

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Professional and warm. Dr. Yoon is very smart, a great listener and thinks carefully about my issues and my medical history. I know I am very lucky for her wisdom in helping me best manage my health.

March 28th, 2026 | Source: Partner

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Warm, positive, specific, encouraging, helpful...

March 26th, 2026 | Source: Partner

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Very thorough and compassionate! Love her!

March 13th, 2026 | Source: Partner

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Dr. Yoon is my favorite doctor and I have been under her care for many years. She is extremely intelligent, intuitive, asks meaningful questions—and actively listens, explains well, and is very kind and sensitive. I am very grateful that I found her because she has made a big difference in my healthcare.

March 8th, 2026

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She is so knowledgeable. She's wonderful about responding to questions. She's the best Dr. I've been to in a long time

February 26th, 2026 | Source: Partner

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Great attention to the details , always asking questions

February 23rd, 2026 | Source: Partner

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Dr Yoon is the best of the best. Her guidance and care of my health are extraordinary. I am grateful to her.

February 13th, 2026 | Source: Partner

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She listens to me and answers my questions.

January 27th, 2026 | Source: Partner

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I always have a friendly, courteous, interactive and professional experience with Dr. Yoon

January 15th, 2026 | Source: Partner

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Baylor Scott & White Endocrinology Specialists - McKinney

5220 W University Dr Ste 250McKinney, TX 75071

Tel: (469) 800-5400

Mon8:00 am - 5:00 pm

Tue8:00 am - 5:00 pm

Wed8:00 am - 5:00 pm

Thu8:00 am - 5:00 pm

Fri8:00 am - 5:00 pm

SatClosed

SunClosed


Vivienne Yoon, MD	Dr. Perihan Dimachkie, MD	Dr. Bekir Suveyd	Dr. Andrea Lynn Mccoy
Endocrinology, Diabetes & Metabolism	Endocrinology, Diabetes & Metabolism	Endocrinology, Diabetes & Metabolism	Endocrinology, Diabetes & Metabolism
Accepts New Patients	Accepts New Patients	Accepts New Patients	Accepts New Patients
4.8 (69 Ratings)	3 (1 Rating)	0 (0 Ratings)	0 (0 Ratings)
20 Years of Experience	15 Years of Experience	11 Years of Experience
No Virtual Visit Option	Virtual Visit Available	Virtual Visit Available	Virtual Visit Available
Speaks English	Speaks Arabic, English	Speaks English, Arabic
McKinney , TX	Houston , TX	CHICAGO , IL	CHICAGO , IL
Med School: University of Texas Medical Branch at Galveston (Education)	Med School: American University of Beirut Medical Center (AUBMC)	Med School: Alfaisal University College Of Medicine
Current Profile	View Profile	View Profile	View Profile

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Acromegaly
Addison Disease
Cushing Disease
Diabetes (Types I & II)
Fatigue
Gland Issues
Hormones
Hyperthyroidism
Hypopituitarism
Hypothyroidism
Internal Medicine

Vivienne Yoon holds an active medical license in the state of Texas. They are board certified in Internal medicine by the American Board of Internal Medicine.

Board Certifications

Board certified in Internal medicine by the American Board of Internal Medicine.

Medical License

Medical Doctor with an active medical license in the state of Texas that expires in 2027.

Education & Training

Fellowship

Completed their fellowship at UT Southwestern Medical Center in 2012.

Residency

Completed their residency at Wake Forest University School of Medicine GME in 2009 and Wake Forest University School of Medicine GME in 2007.

Medical School

Graduated from University of Texas Medical Branch at Galveston (Education) in 2006.

NPI Number

Vivienne Yoon's NPI number is 1689899221.

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Which hospitals is Vivienne Yoon affiliated with?: Vivienne Yoon is affiliated with Baylor Scott And White All Saints Medical Center Fort Worth.
Where is Vivienne Yoon's office located?: Vivienne Yoon's office is located at 5220 W University Dr Ste 250, McKinney, TX, 75071.
Does Vivienne Yoon accept my insurance?: You can see the insurance plans that Vivienne Yoon accepts on their Vitals profile.
What languages does Vivienne Yoon speak?: Vivienne Yoon speaks English.
Is Vivienne Yoon accepting new patients?: Vivienne Yoon is accepting new patients on Vitals. View Vivienne Yoon's profile on Vitals to make an appointment.

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