Tracy Yun-Shin Chang, M.D.
Neurology Physician · North Hollywood, CA
Tracy Yun-Shin Chang, M.D. is a neurology physician with a practice address in North Hollywood, California, and NPI 1730576687, issued on Apr 17, 2015. Check the license (California 171842, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tracy Yun-Shin Chang
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 171842 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6260 Simpson Ave, North Hollywood, CA 91606
- Phone
- (818) 821-4996
- Enumerated
- Apr 17, 2015
- Record last updated
- Mar 2, 2026
- Medicare enrollment
- Enrolled (PECOS I20210517000615); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Tracy Yun-Shin Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 171842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average neurology physician in 2024
444 Medicare Part D claims for 80 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium33 claims
- Amlodipine Besylate22 claims
- Gabapentin19 claims
- Pantoprazole Sodium19 claims
- Eliquis12 claims
- Levothyroxine Sodium12 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): 88 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).
Tracy Yun-Shin Chang among 2,339 neurology physician records in California
Tracy Yun-Shin Chang, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2015 · median 2006 among the 1,628 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in North Hollywood → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Agnes Kim, MDBaldwin Park, CA 917061396804035
- Naomi Lin, M.D.Baldwin Park, CA 917061497924377
- Teresa Luna, MDBaldwin Park, CA 917061457410102
- Barry Monroe, MDBaldwin Park, CA 917061770642308
- Irene Yang, MDBaldwin Park, CA 917061952690166
- Qian Zhang, MDBaldwin Park, CA 917061427117050
- Sergey Akopov, M.D.Burbank, CA 915051669566147
- Charles Beaman, M.D/PH.D.Burbank, CA 915051669905956
Common questions
What is Tracy Yun-Shin Chang, M.D.'s NPI number?
Tracy Yun-Shin Chang, M.D.'s National Provider Identifier (NPI) is 1730576687, issued on Apr 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Tracy Yun-Shin Chang, M.D. located?
The NPPES record lists a practice address at 6260 Simpson Ave, North Hollywood, CA, 91606. Phone: (818) 821-4996. Providers update this record themselves, so call before visiting.
How can I verify Tracy Yun-Shin Chang, M.D.'s license?
NPPES lists California license number 171842, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tracy Yun-Shin Chang, M.D. prescribe under Medicare Part D?
In 2024, Tracy Yun-Shin Chang, M.D. had 444 Medicare Part D claims for 80 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Tracy Yun-Shin Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 88 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.