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DR. MICHELLE SUN MD
NPI 1235242405
Internal Medicine in Plano, TX

Active since August 15, 2006PECOS EnrolledAccepts Medicare Assignment
26.52/100
CMS Quality Rating
3900 W 15TH ST, SUITE 404, PLANO, TX 75075(972) 596-1803(972) 867-4970 Get Directions Write a Review

NPPES record last updated: October 9, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Michelle Sun Md NPPES

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

DR. MICHELLE SUN MD (NPI 1235242405) is an individual internal medicine provider in Plano, Texas, licensed in Texas (L3847) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Medical Center Of Mckinney, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1999).

NPPES Registry Identity

NPI1235242405
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHELLE SUNCredential: MD
Location Address3900 W 15TH ST, SUITE 404Plano, TX 75075-7751
Mailing Address3900 W 15th St, Suite 404Plano, TX 75075-7751 · (972) 596-1803 · Fax (972) 867-4970
Phone(972) 596-1803
Fax(972) 867-4970
Sole ProprietorYes
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1999
Enumeration DateAugust 15, 2006
Last NPPES UpdateOctober 9, 2007
✔ NPI 1235242405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · L3847
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3900 W 15TH ST, Plano, TX 75075
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Other Identifiers 2

Medicare UPINH68972TX
Medicare PIN8255B9TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Dr. Michelle Sun Md 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 ID4880763077
PECOS Enrollment IDI20080514000091
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D1002789

Michelle Sun MD · Plano, TX
Expired · Aug 13, 2026
CLIA Number45D1002789
Laboratory TypePhysician Office
Certificate Effective DateAugust 14, 2024
Certificate Expiration DateAugust 13, 2026
Laboratory DirectorMichelle Sun MD
Laboratory Phone(972) 596-1803
Laboratory LocationMichelle Sun MD3900 W 15th Street Ste 404, Plano, TX 75075
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 16

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
373 services198 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.
303 services215 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.
259 services175 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.
254 services254 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.
253 services253 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.
243 services243 patients

Hospital Affiliations CMS Care Compare 2

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75075 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

26.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality20
Improvement Activities0
Cost61.74

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
10 suppliers29 claims50 services$6.72 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers13 claims13 services$1.16 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 19

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

MICHELLE SUN MD PA
Clinic/Center (Primary Care)
3900 W 15TH ST, SUITE 404
PLANO, TX 75075
Collin County (972) 758-9327
SINGH MEDICAL PRACTICE, PLLC
Internal Medicine
3900 W 15TH ST, SUITE 503
PLANO, TX 75075
Collin County (972) 596-5522
HAVANT PLLC
Internal Medicine (Cardiovascular Disease)
3900 W 15TH ST, SUITE 503
PLANO, TX 75075
Collin County (972) 596-5522
DR. CHARLES RUSSELL SPARENBERG M.D.
Surgery (Plastic and Reconstructive Surgery)
3900 W 15TH ST, #106
PLANO, TX 75075
Collin County (972) 867-2522
SUNANDA CHERUKURI MD PA
Internal Medicine
3900 W 15TH ST, SUITE 205
PLANO, TX 75075
Collin County (214) 473-3283
DR. SHENG-PO LU DDS
Dentist (General Practice)
3900 W 15TH ST, #505
PLANO, TX 75075
Collin County (972) 867-8997
RAMARAO S LANKIPALLI MD, MRCP (UK), FACC
Internal Medicine (Cardiovascular Disease)
3900 W 15TH ST, SUITE 503
PLANO, TX 75075
Collin County (972) 596-5522
WEST LPN INC
Family Medicine
3900 W 15TH ST, SUITE 208
PLANO, TX 75075
Collin County (972) 519-8300

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 Michelle Sun's NPI number?

The NPI number for Michelle Sun is 1235242405. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Where is Michelle Sun located?

Michelle Sun practices at 3900 W 15th St Suite 404, Plano, TX 75075. The listed phone number is (972) 596-1803.

What is Michelle Sun's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michelle Sun enrolled in Medicare?

Yes. Michelle Sun 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 Michelle Sun accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Michelle Sun 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 Michelle Sun affiliated with any hospitals?

According to CMS data, Michelle Sun is affiliated with Medical Center Of Mckinney and Medical City Plano.

When was this NPI record last updated?

The NPPES record for Michelle Sun was last updated on October 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.