CHONG YON YUN M.D.
NPI 1912347394
Family Medicine in Richardson, TX

Q: What is Chong Yun's NPI number?

The NPI number for Chong Yun is 1912347394. It was assigned to this individual provider in the NPPES registry on June 28, 2013. The provider is also known as Joy Yun M.D..

Q: What is Chong Yun's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Chong Yun was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.

Active since June 28, 2013PECOS EnrolledAccepts Medicare Assignment

819 W ARAPAHO RD STE 14, RICHARDSON, TX 75080(214) 346-9999(214) 346-9100 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Chong Yon Yun M.d. NPPES

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

CHONG YON YUN M.D. (NPI 1912347394) is an individual family medicine provider in Richardson, Texas, licensed in Texas (Q8398) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Medical City Plano, and is a graduate of Wright State University Boonshoft School Of Medicine (2013).

NPPES Registry Identity

NPI1912347394

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameCHONG YON YUNCredential: M.D.

Location Address819 W ARAPAHO RD STE 14Richardson, TX 75080-5041

Mailing Address819 W Arapaho Rd Ste 14Richardson, TX 75080-5041 · (214) 346-9999 · Fax (214) 346-9100

Phone(214) 346-9999

Fax(214) 346-9100

Sole ProprietorNo

Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2013

Enumeration DateJune 28, 2013

Last NPPES UpdateAugust 21, 2025

NPPES CertifiedAugust 21, 2025

✔ NPI 1912347394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in TX · Q8398

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

819 W ARAPAHO RD STE 14, Richardson, TX 75080

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Other Names 1

Professional Name (2)Joy Yun M.d.

Other Identifiers 3

Medicaid363663102TX

Medicaid363663101TX

Medicaid363663103TX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Chong Yon Yun 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 ID3173801131

PECOS Enrollment IDI20161025002614, I20260609002335, I20260618002378, I20260624000013

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.

Medicare Billing Reassignments

Medicare enrollment records show Chong Yun reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Clinic Of North Texas, PLLC

6.5 mi

Internal Medicine

5501 INDEPENDENCE PARKWAY, SUITE 110
Plano, TX 75023

Reassigned Medicare billing, Texas enrollment
379 clinicians in this Medicare group

NPI 1912955030 (972) 847-0712

Abksw Preferred Health Partners, PLLC

12 mi

Internal Medicine

3417 GASTON AVE STE 700
Dallas, TX 75246

Reassigned Medicare billing, Texas enrollment
49 clinicians in this Medicare group

NPI 1184009755 (214) 823-4800

Wellmed Medical Group, P.A.

192 mi

Family Medicine

3708 JEFFERSON ST, SUITE A
Austin, TX 78731

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: Wellmed Medical Group PA
762 clinicians in this Medicare group

NPI 1518265891 (512) 459-6503

Emopti Pn PC

1,053 mi

Public Health & General Preventive Medicine

4030 WAKE FOREST RD STE 349
Raleigh, NC 27609

Reassigned Medicare billing, Indiana, Michigan, North Carolina, Pennsylvania, Tennessee, Texas and Washington enrollments
4 clinicians in this Medicare group

NPI 1376385344 (217) 737-3508

Medsense Health Professional Corporation

1,203 mi

Public Health & General Preventive Medicine

1910 TOWNE CENTRE BLVD STE 250
Annapolis, MD 21401

Reassigned Medicare billing, Alabama, Florida, Georgia, Hawaii, Missouri, Mississippi, Nebraska, Ohio, Utah and Wisconsin enrollments
5 clinicians in this Medicare group

NPI 1376359521 (414) 617-9941

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 27

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.

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.

210 services114 patients

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.

164 services102 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

150 services100 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

149 services101 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

145 services103 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

143 services91 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.

115 services88 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

77 services77 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

74 services51 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

65 services51 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

55 services37 patients

Urine microalbumin (protein) analysis 82044

Urine microalbumin analysis is a test that measures the amount of a protein called albumin in your urine. This protein is usually present in very small amounts, but higher levels can indicate kidney issues. The test is non-invasive and involves a simple urine sample.

52 services48 patients

Creatinine level to test for kidney function or muscle injury 82570

A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.

52 services48 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

51 services42 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

50 services42 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

39 services39 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

31 services27 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

25 services25 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

23 services18 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

20 services16 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

19 services17 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

16 services14 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

16 services16 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test 85027

A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.

15 services15 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

14 services13 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

14 services13 patients

Hepatitis c antibody measurement 86803

Hepatitis C antibody measurement is a blood test to check if you have been exposed to the Hepatitis C virus. This virus affects your liver. If the test is positive, it means you have had the virus at some point. Additional tests are needed to determine if the virus is currently active.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75080 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

$88.19 typical visit price

range $57.18 – $172.86

Typical copayment $22.04 (range $14.29 – $43.21)

Most-billed visit code 99203

Established Patient

$100.80 typical visit price

range $18.48 – $141.20

Typical copayment $25.20 (range $4.62 – $35.30)

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 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

5 suppliers23 claims45 services$6.62 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier11 claims11 services$215.40 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 3

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

DENIELLE ALEXA DONES BRIONES

Physician Assistant

819 W ARAPAHO RD STE 14
RICHARDSON, TX 75080

Dallas County (214) 648-1500

MRS. JYOTHI REDDY REREDDY MD

Internal Medicine

819 W ARAPAHO RD STE 14
RICHARDSON, TX 75080

Dallas County (214) 346-9999

CAROLYN LANA TRAN

Internal Medicine

819 W ARAPAHO RD STE 14
RICHARDSON, TX 75080

Dallas County (214) 346-9999

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 Chong Yun's NPI number?

The NPI number for Chong Yun is 1912347394. It was assigned to this individual provider in the NPPES registry on June 28, 2013. The provider is also known as Joy Yun M.D..

Where is Chong Yun located?

Chong Yun practices at 819 W Arapaho Rd Ste 14, Richardson, TX 75080. The listed phone number is (214) 346-9999.

What is Chong Yun's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Chong Yun enrolled in Medicare?

Yes. Chong Yun 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.

Which organizations bill Medicare for Chong Yun's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chong Yun reassigns Medicare benefits to 5 organizations: Medical Clinic Of North Texas, PLLC (Plano, TX), Abksw Preferred Health Partners, PLLC (Dallas, TX), Wellmed Medical Group, P.A. (Austin, TX), Emopti Pn PC (Raleigh, NC) and Medsense Health Professional Corporation (Annapolis, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Chong Yun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Chong Yun affiliated with any hospitals?

According to CMS data, Chong Yun is affiliated with Medical City Plano.

When was this NPI record last updated?

The NPPES record for Chong Yun was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.