Chelsea Chang, M.D.
Internal Medicine Physician · Weslaco, TX
Chelsea Chang, M.D. is an internal medicine physician with a practice address in Weslaco, Texas, and NPI 1033475801, issued on Apr 6, 2012. Check the license (Texas Q1803, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chelsea Chang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- Q1803 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1330 E 6TH St Ste 105, Weslaco, TX 78596
- Phone
- (956) 296-7710
- Enumerated
- Apr 6, 2012
- Record last updated
- Sep 23, 2024
- Fax
- (956) 296-7705
- Medicaid ID
- 3460990-02 TX
- Medicare enrollment
- Enrolled (PECOS I20150528002412); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1330 E 6TH St Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andres Arboleda Morejon, MDInternal Medicine Physician1154855815
- Nida AsifStudent in an Organized Health Care Education/Training Program1730930033
- Mery Bartl, MDInternal Medicine Physician1326627514
- Fatimah Bello, MD, MPHInternal Medicine Physician1013448968
- Brandon Cantazaro, MDInternal Medicine Physician1023404084
Verify Chelsea Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q1803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
228 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amlodipine Besylate14 claims
- Losartan Potassium14 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 practice group's MIPS final score for 2023 (Medicare payment program): 81.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Texas Rio Grande ValleyMcAllen, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chelsea Chang among 9,175 internal medicine physician records in Texas
Chelsea Chang, 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 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · 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).
34 internal medicine physician records list a practice address in Weslaco
They are 34 of the 775 NPPES records with a practice address in Weslaco, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Weslaco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hector Amaya Chinchilla, M.D.Weslaco, TX 785961366690588
- Jose Bejarano, M.D.Weslaco, TX 785961518168772
- Dionisio CalvoWeslaco, TX 785961487756094
- Brandon Cantazaro, MDWeslaco, TX 785961023404084
- Gabriel Gonzalez, M.D.Weslaco, TX 785961689699647
- Cesar Gutierrez, M.D.Weslaco, TX 785961700263456
- Jose Lares, MDWeslaco, TX 785961407902182
- Jose Lerma, M.D.Weslaco, TX 785961164832515
Common questions
What is Chelsea Chang, M.D.'s NPI number?
Chelsea Chang, M.D.'s National Provider Identifier (NPI) is 1033475801, issued on Apr 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Chang, M.D. located?
The NPPES record lists a practice address at 1330 E 6TH St Ste 105, Weslaco, TX, 78596. Phone: (956) 296-7710. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Chang, M.D.'s license?
NPPES lists Texas license number Q1803, 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 Chelsea Chang, M.D. prescribe under Medicare Part D?
In 2024, Chelsea Chang, M.D. had 228 Medicare Part D claims for 51 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Chelsea Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 81.4 of 100, reported for the practice group. 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.