Timothy Shenkang Chang, M.D., PH.D.
Neurology Physician · Los Angeles, CA
Timothy Shenkang Chang, M.D., PH.D. is a neurology physician with a practice address in Los Angeles, California, and NPI 1710383146, issued on Nov 12, 2014. Check the license (California A137522, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Shenkang Chang
- Credential
- M.D., PH.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A137522 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Medical Plaza # B200, Los Angeles, CA 90095
- Phone
- (310) 794-1195
- Enumerated
- Nov 12, 2014
- Record last updated
- Jan 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180522002008); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 300 Medical Plaza # B200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Cheng, MD, MSNeurology Physician1629170477
- Inna Keselman, M.D., PH.DNeurology Physician1003075037
- Leila Parand, MDNeurology Physician1174927594
- Shital Pavawalla, PH.D.Clinical Neuropsychologist1336400357
- Ranmal Samarasinghe, M.D., PH.D.Neurology Physician1588906606
- Payam Soltanzadeh, MDNeurology Physician1659506491
Verify Timothy Shenkang Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A137522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average neurology physician in 2024
539 Medicare Part D claims for 75 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Carbidopa-Levodopa108 claims
- Donepezil Hcl53 claims
- Carbidopa-Levodopa Er31 claims
- Trazodone Hcl29 claims
- Amantadine24 claims
- Rasagiline Mesylate23 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).
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
Other neurology physician records in California
- Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
- John Aalbers, M.D.San Diego, CA1942262431
- Kafia Abbasi, M.D.French Camp, CA1215114897
- Puya Abbassi, D.O.San Jose, CA1831695428
- Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
- Diana Abdulrahman, M.D.Pomona, CA1518276880
- Hadi Abou El Hassan, MDLos Angeles, CA1053995720
- John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
- Saheil AboutalibLong Beach, CA1548551112
- Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522
Common questions
What is Timothy Shenkang Chang, M.D., PH.D.'s NPI number?
Timothy Shenkang Chang, M.D., PH.D.'s National Provider Identifier (NPI) is 1710383146, issued on Nov 12, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Shenkang Chang, M.D., PH.D. located?
The NPPES record lists a practice address at 300 Medical Plaza # B200, Los Angeles, CA, 90095. Phone: (310) 794-1195. Providers update this record themselves, so call before visiting.
How can I verify Timothy Shenkang Chang, M.D., PH.D.'s license?
NPPES lists California license number A137522, 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 Timothy Shenkang Chang, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Timothy Shenkang Chang, M.D., PH.D. had 539 Medicare Part D claims for 75 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
What is Timothy Shenkang Chang, M.D., PH.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.