Live
Read more

Clinic Type

Diabetes Care

Address

Endocrinology Specialists – McKinney, McKinney, TX

Phone

+1 469-800-5400

Email

billingquestions@bswhealth.org

Opening Hours

Mon-Fri 8:00am-5:00pm; Sat Closed; Sun Closed

Telehealth

virtual care available (link provided on site)

Services Offered

  • Endocrinology
  • Diabetes care
  • Consultation
  • Diagnosis
  • Management of endocrine and metabolic diseases
  • Bone density testing
  • Glucose monitoring
  • Insulin pump placement and maintenance
  • Dietary counseling
  • Lipoprotein/cholesterol analysis
  • Atherosclerosis assessment

Team

  • Vivienne Yoon, MD — MD, board-certified in internal medicine, endocrinology, diabetes and metabolism
  • Jennifer St. John, MD — MD, board-certified in internal medicine, endocrinology, diabetes and metabolism
  • Sana Ullah, MD — MD, board-certified in internal medicine, endocrinology, diabetes and metabolism

Insurance & Payment

  • Aetna
  • American Health Advantage of Texas
  • Baylor Scott & White Health Plan
  • Blue Cross Blue Shield
  • Centivo Network
  • Cigna
  • Curative
  • DFW ConnectedCare
  • EHN
  • HealthSmart
  • Humana
  • Imagine Health
  • Nebraska Furniture Mart
  • Parkland Community Health Plan
  • PHCS Network
  • ProCare
  • QuickTrip
  • Superior Health Plan
  • TriWest HealthCare
  • United HealthCare
  • WellMed

Insurance listings are subject to change without prior notice. Please call the hospital or health plan to verify coverage information before scheduling your visit/procedure.

Online payment options via Pay a Bill (guest or registered), Pay by mail, Pay by phone, Pay in person, Enrollment in MyBSWHealth for balances and statements

Languages Spoken

  • English
  • Español (spanish)

FAQs

What are the hours for Baylor Scott & White Endocrinology Specialists – McKinney?

Open from 8 a.m. until 5 p.m. Mon–Fri; Saturday and Sunday closed.

Where is Baylor Scott & White Endocrinology Specialists – McKinney located?

Located in McKinney, TX.

Who are the physicians at this clinic?

Vivienne Yoon, MD; Jennifer St. John, MD; Sana Ullah, MD.

Can I get referred to this clinic if I am not a physician-to-physician referral?

At this time we are only accepting physician-to-physician referrals.

What insurances are accepted?

Aetna; American Health Advantage of Texas; Baylor Scott & White Health Plan; Blue Cross Blue Shield; Centivo Network; Cigna; Curative; DFW ConnectedCare; EHN; HealthSmart; Humana; Imagine Health; Nebraska Furniture Mart; Parkland Community Health Plan; PHCS Network; ProCare; QuickTrip; Superior Health Plan; TriWest HealthCare; United HealthCare; WellMed (subject to change).

Is there online patient billing and payment options?

Yes. Pay your bill online as a guest or registered user via Pay a Bill. You can also enroll in MyBSWHealth to manage balances and statements.

Awards & Accreditations

  • awards - see provided links

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • BSW Health Official Site: 4.9/5 (486 reviews)
  • BSW Health (Press Ganey Patient Satisfaction Survey): 4.9/5 overall satisfaction (512 patient ratings)

Patients praise

  • Highly regarded, knowledgeable, and professional physicians
  • Providers are reported to take time to listen to patient concerns and include them in decision-making
  • Most patients describe a thorough and kind approach to care
  • Clinicians are noted for clear communication and explaining conditions well

Common complaints

  • Occasional complaints regarding administrative issues such as appointment scheduling, long wait times, or confusion at the front desk
  • Some reports of perceived lack of thoroughness in medical records review or care coordination

"Dr Ullah is my endocrinologist, he is one of the best endocrinologist I am currently visiting. Takes time to listen patient concerns and advise accordingly."

Healthgrades

"Dr. Lee affords plenty of time for her patient to speak. She is sharp, knowledgeable and caring."

WebMD

"The front desk is horrible. Confused me with another patient with same last name. After I checked in early/on-time, left me waiting for 90 minutes then..."

Yelp

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

More diabetes care clinics in McKinney

McKinney, TX·Diabetes Care

Verified
McKinney, TX·Diabetes Care

Summary: West McKinney Health & Wellness in McKinney, TX offers primary care with a focus on chronic conditions like diabetes, including Type II diabetes management. They provide same-day appointments for acute issues, weight management programs, health coaching, and med spa services. The practice emphasizes patient-centered care for adolescents and adults, and operates with a small team (5 employees). Contact: 972-591-5844 / 972-464-2510. Website: westmckinney.com. Key relevance to Type II Diabetes Management: - Primary care services addressing diabetes care (monitoring, management of high blood pressure and weight, and lifestyle coaching). - Weight loss programs and health coaching that can support Type II diabetes management. - Adolescent and adult medical care, with a focus on comprehensive, long-term health. Note: Specific diabetes management programs, testing, medications, or care plans aren’t detailed on the page. For precise Type II diabetes management options, policies, and referrals, contact the clinic directly or visit their site.

VerifiedOnline booking

See all diabetes care clinics in McKinney

Comparing your options?

See other diabetes care clinics in McKinney, or search the full directory by insurance, ratings, and more.

More Diabetes Care Clinics