Michelle Sun, MD
Internal Medicine Physician · Plano, TX
Michelle Sun, MD is an internal medicine physician with a practice address in Plano, Texas, and NPI 1235242405, issued on Aug 15, 2006. Check the license (Texas L3847, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michelle Sun
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L3847 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3900 W 15TH St, Plano, TX 75075
- Phone
- (972) 596-1803
- Enumerated
- Aug 15, 2006
- Record last updated
- Oct 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (972) 867-4970
- Medicare enrollment
- Enrolled (PECOS I20080514000091); may accept Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 3900 W 15TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michelle Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L3847Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average internal medicine physician in 2024
3,640 Medicare Part D claims for 357 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 52 claims were for opioids.
Most prescribed
- Levothyroxine Sodium322 claims
- Atorvastatin Calcium246 claims
- Rosuvastatin Calcium177 claims
- Amlodipine Besylate116 claims
- Sertraline Hcl104 claims
- Montelukast Sodium96 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 26.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $346.33
16 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michelle Sun among 9,175 internal medicine physician records in Texas
Michelle Sun, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2004 among the 6,088 with a school on file
- Record last updated2007 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
205 internal medicine physician records list a practice address in Plano
They are 205 of the 7,271 NPPES records with a practice address in Plano, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Plano → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sunanda Cherukuri, M.D.Plano, TX 750751477552511
- Kheim Chu, DOPlano, TX 750751932143898
- George Hewell, M.D.Plano, TX 750751972554467
- Chung-Wei Hsu, DOPlano, TX 750751174600381
- Robert Johnson, M.D., MBA, FACPPlano, TX 750751184686073
- Mahmood Khan, M.D.Plano, TX 750751891741120
- Jianhuan Meng, MDPlano, TX 750751265540769
- Joseph Miller, M.D.Plano, TX 750751124194758
Common questions
What is Michelle Sun, MD's NPI number?
Michelle Sun, MD's National Provider Identifier (NPI) is 1235242405, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Sun, MD located?
The NPPES record lists a practice address at 3900 W 15TH St, Plano, TX, 75075. Phone: (972) 596-1803. Providers update this record themselves, so call before visiting.
How can I verify Michelle Sun, MD's license?
NPPES lists Texas license number L3847, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michelle Sun, MD prescribe under Medicare Part D?
In 2024, Michelle Sun, MD had 3,640 Medicare Part D claims for 357 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Michelle Sun, MD's MIPS final score?
The 2023 MIPS final score is 26.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.