Ruby Jean Chang, M.D.
Anatomic Pathology & Clinical Pathology Physician · Austin, TX
Ruby Jean Chang, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Austin, Texas, and NPI 1396109237, issued on Apr 6, 2016. Check the license (Texas T1918, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ruby Jean Chang
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- T1918 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3445 Executive Center Dr., Austin, TX 78731
- Phone
- (512) 579-4000
- Enumerated
- Apr 6, 2016
- Record last updated
- Jul 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (512) 439-2814
- Medicare enrollment
- Enrolled (PECOS I20210715003371); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,424 in Texas → Look up another NPI →
Also registered at 3445 Executive Center Dr.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jared Barker, D.O.Anatomic Pathology & Clinical Pathology Physician1104144211
- Eva Bashover, M.D.Anatomic Pathology & Clinical Pathology Physician1669731766
- Damodaran Narayanan, M.D.Anatomic Pathology & Clinical Pathology Physician1114452018
- Maureen Riopel, M.D.Anatomic Pathology & Clinical Pathology Physician1164488912
- Muhammad Zulfiqar, M.D.Anatomic Pathology & Clinical Pathology Physician1194022160
Verify Ruby Jean Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T1918Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 78.8 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
- Hurt, Jacknow, Moore, Connor, Wells, Michels, Yurco, Listrom And HuangAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ruby Jean Chang among 1,424 anatomic pathology & clinical pathology physician records in Texas
Ruby Jean Chang, M.D. is one of 1,424 anatomic pathology & clinical pathology physician records with a practice address in Texas. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 12% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2016 · median 2001 among the 864 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Texas
There are 1,424 anatomic pathology & clinical pathology physician records in Texas.
All 1,424 in Texas → Every provider in Austin → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Susan Baer, MDAustin, TX 787311619938263
- Michael Bailey, M.D.Austin, TX 787311649278144
- Nancy Banks, M.D.Austin, TX 787311710958384
- Jacqueline Haas, MDAustin, TX 787311962463158
- Dan Hardy, MDAustin, TX 787311407811730
- Jeffrey Herbert, MDAustin, TX 787311295790855
- Wei-Li Huang, MDAustin, TX 787311336104603
- Timothy Kolda, MDAustin, TX 787311295790608
Common questions
What is Ruby Jean Chang, M.D.'s NPI number?
Ruby Jean Chang, M.D.'s National Provider Identifier (NPI) is 1396109237, issued on Apr 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Jean Chang, M.D. located?
The NPPES record lists a practice address at 3445 Executive Center Dr., Austin, TX, 78731. Phone: (512) 579-4000. Providers update this record themselves, so call before visiting.
How can I verify Ruby Jean Chang, M.D.'s license?
NPPES lists Texas license number T1918, 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.
What is Ruby Jean Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 78.8 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.