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VIVIENNE YOON M.D.
NPI 1689899221
Internal Medicine - Endocrinology, Diabetes & Metabolism in Mckinney, TX

Active since April 17, 2007PECOS EnrolledAccepts Medicare Assignment
5236 W UNIVERSITY DR, SUITE 2200, MCKINNEY, TX 75071(469) 800-5400(469) 800-5410 Get Directions Write a Review

NPPES record last updated: January 16, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Vivienne Yoon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VIVIENNE YOON M.D. (NPI 1689899221) is an individual endocrinology, diabetes & metabolism provider in Mckinney, Texas, licensed in Texas (N9495) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Medical Center Of Mckinney, and is a graduate of University Of Texas Medical Branch At Galveston (2006).

NPPES Registry Identity

NPI1689899221
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameVIVIENNE YOONCredential: M.D.
Location Address5236 W UNIVERSITY DR, SUITE 2200Mckinney, TX 75071-7889
Mailing Address5236 W University Dr, Suite 2200Mckinney, TX 75071-7889 · (469) 800-5400 · Fax (469) 800-5410
Phone(469) 800-5400
Fax(469) 800-5410
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2006
Enumeration DateApril 17, 2007
Last NPPES UpdateJanuary 16, 2023
NPPES CertifiedJanuary 16, 2023
✔ NPI 1689899221 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Licenses✔ Licensed in TX · N9495✔ Licensed in TX · BP10035559
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
5236 W UNIVERSITY DR, Mckinney, TX 75071
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Other Identifiers 1

Medicaid305622801TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Vivienne Yoon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860640554
PECOS Enrollment IDI20120921000611
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
405 services268 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
390 services303 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
49 services40 patients
Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
38 services36 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
20 services20 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Medical Center Of Mckinney

Acute Care Hospitals · Mckinney, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450403
Location4500 Medical Center DriveMckinney, TX 75069 · Collin County
Emergency services Birthing friendly

Medical City Plano

Acute Care Hospitals · Plano, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450651
Location3901 W 15th StPlano, TX 75075 · Collin County
Emergency services Birthing friendly

Baylor Scott & White Medical Center Plano

Acute Care Hospitals · Plano, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450890
Location4700 Alliance BoulevardPlano, TX 75093 · Collin County
Emergency services

Baylor Scott And White Medical Center Mckinney

Acute Care Hospitals · Mc Kinney, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670082
Location5252 West University DriveMc Kinney, TX 75071 · Collin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75071 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 7

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
8 suppliers23 claims288 services$18.35 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
8 suppliers24 claims726 services$2.36 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
45 suppliers119 claims469 services$6.45 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
16 suppliers32 claims72 services$1.16 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
4 suppliers34 claims34 services$318.85 avg. paid by Medicare
Insulin for administration through dme (i.e., insulin pump) per 50 units J1817
Treatment-Injections and Infusions (nononcologic) · category RI000N
8 suppliers20 claims1,920 services$7.06 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAJESH V PUTCHA M.D.
Internal Medicine (Gastroenterology)
5236 W UNIVERSITY DR, #3300
MCKINNEY, TX 75071
Collin County (972) 562-4430
RYAN DANIEL BURKART M.D.
Surgery
5236 W UNIVERSITY DR, SUITE 2200
MCKINNEY, TX 75071
Collin County (469) 800-5036
SYED ABDUL SARMAST M.D.
Internal Medicine (Cardiovascular Disease)
5236 W UNIVERSITY DR, SUITE 4900
MCKINNEY, TX 75071
Collin County (469) 800-6100
BAYLOR MEDICAL CENTERS AT GARLAND AND MCKINNEY
Nurse Practitioner
5236 W UNIVERSITY DR, STE 1500
MCKINNEY, TX 75071
Collin County (469) 764-2273
DR. GABRIEL RENDON M.D.
Internal Medicine (Gastroenterology)
5236 W UNIVERSITY DR, SUITE 3300
MCKINNEY, TX 75071
Collin County (972) 562-4430
MS. ASHLEY KAY WIGINTON PA
Physician Assistant
5236 W UNIVERSITY DR, SUITE 3300
MCKINNEY, TX 75071
Collin County (972) 562-4430
KATIE MICHELE OFFIELD PT
Physical Therapist
5236 W UNIVERSITY DR
MCKINNEY, TX 75071
Collin County (469) 952-5082
BUENALYN BELEN BELEN OTR, MS, CLT
Occupational Therapist
5236 W UNIVERSITY DR, BAYLOR INSTITUTE FOR REHABILITATION SUITE 3500
MCKINNEY, TX 75071
Collin County (469) 952-5082

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vivienne Yoon's NPI number?

The NPI number for Vivienne Yoon is 1689899221. It was assigned to this individual provider in the NPPES registry on April 17, 2007.

Where is Vivienne Yoon located?

Vivienne Yoon practices at 5236 W University Dr Suite 2200, Mckinney, TX 75071. The listed phone number is (469) 800-5400.

What is Vivienne Yoon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Vivienne Yoon enrolled in Medicare?

Yes. Vivienne Yoon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Vivienne Yoon accept?

Health plans from Baylor Scott and White Health Plan and Blue Cross and Blue Shield of Texas list Vivienne Yoon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Vivienne Yoon affiliated with any hospitals?

According to CMS data, Vivienne Yoon is affiliated with Medical Center Of Mckinney, Medical City Plano, Baylor Scott & White Medical Center Plano and Baylor Scott And White Medical Center Mckinney.

When was this NPI record last updated?

The NPPES record for Vivienne Yoon was last updated on January 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.