Jun Yi Lai, M.D.
Internal Medicine Physician · Round Rock, TX
Jun Yi Lai, M.D. is an internal medicine physician with a practice address in Round Rock, Texas, and NPI 1689106791, issued on Mar 29, 2017. Check the license (Texas S9014, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jun Yi Lai
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- S9014 TX
A169851 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16420 RR 620 Ste 104, Round Rock, TX 78681
- Phone
- (737) 279-5700
- Enumerated
- Mar 29, 2017
- Record last updated
- May 15, 2024
- Fax
- (737) 279-5701
- Medicare enrollment
- Enrolled (PECOS I20211122001914); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Verify Jun Yi Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license S9014Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,007 Medicare Part D claims for 221 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Amlodipine Besylate115 claims
- Atorvastatin Calcium84 claims
- Rosuvastatin Calcium71 claims
- Losartan Potassium60 claims
- Levothyroxine Sodium59 claims
- Metformin Hcl Er49 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): 90.8 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: $947.66
48 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
Bills Medicare through 2 group practices
- Seton Family OF DoctorsRound Rock, TX
- Timberland Medical GroupRound Rock, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jun Yi Lai among 9,175 internal medicine physician records in Texas
Jun Yi Lai, M.D. 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 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2004 among the 6,088 with a school on file
- Record last updated2024 · 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).
63 internal medicine physician records list a practice address in Round Rock
They are 63 of the 3,815 NPPES records with a practice address in Round Rock, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Round Rock → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andrea Adams-Krueger, M.D.Round Rock, TX 786811902037021
- Arthur BooneRound Rock, TX 786811952359952
- Terry Chambless, M.D.,P.A.Round Rock, TX 786811831188572
- Hatim Chhatriwala, M.D.Round Rock, TX 786811649427618
- Vivek Dayal, MDRound Rock, TX 786811922173137
- Archana Jayachandran, M.D.Round Rock, TX 786811376741520
- Michael Martin, MDRound Rock, TX 786811720196033
- Timothy Robins, M.D.,P.A.Round Rock, TX 786811295724730
Common questions
What is Jun Yi Lai, M.D.'s NPI number?
Jun Yi Lai, M.D.'s National Provider Identifier (NPI) is 1689106791, issued on Mar 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Jun Yi Lai, M.D. located?
The NPPES record lists a practice address at 16420 RR 620 Ste 104, Round Rock, TX, 78681. Phone: (737) 279-5700. Providers update this record themselves, so call before visiting.
How can I verify Jun Yi Lai, M.D.'s license?
NPPES lists Texas license number S9014, 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 Jun Yi Lai, M.D. prescribe under Medicare Part D?
In 2024, Jun Yi Lai, M.D. had 2,007 Medicare Part D claims for 221 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jun Yi Lai, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.8 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.