Tien-Yu Chang, M.D.
Anesthesiology Physician · Panorama City, CA
Tien-Yu Chang, M.D. is an anesthesiology physician with a practice address in Panorama City, California, and NPI 1225213515, issued on Jan 4, 2008. Check the license (California A93643, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tien-Yu Chang
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A93643 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13652 Cantara St, Panorama City, CA 91402
- Phone
- (818) 375-2809
- Enumerated
- Jan 4, 2008
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080501000720); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 13652 Cantara St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kenneth Ackerman, MDInternal Medicine Physician1568521185
- Taha Ahmad, MDOccupational Medicine Physician1629126669
- Tarek Ahmed, MDInternal Medicine Physician1184783706
Verify Tien-Yu Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93643Check 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): 65 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).
Industry payments in 2024: $257.76
5 payments; by number, the most common kind was food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 17,774 providers of this specialty with any payment received $669.59 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 one group practice
- Bayside Anesthesia Medical GroupSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tien-Yu Chang among 7,571 anesthesiology physician records in California
Tien-Yu Chang, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2003 · median 2006 among the 4,868 with a school on file
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 anesthesiology physician records list a practice address in Panorama City
They are 18 of the 1,412 NPPES records with a practice address in Panorama City, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in Panorama City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Delphine Chung, MDPanorama City, CA 914021073573291
- John Hsu, MDPanorama City, CA 914021134296031
- Robert Kyureghian, MDPanorama City, CA 914021841450103
- Daniel Loh, MDPanorama City, CA 914021629137377
- Amy Luo, MDPanorama City, CA 914021396812111
- Barnett Mayerson, MDPanorama City, CA 914021649347576
- Monica Mc Donough, MDPanorama City, CA 914021093882904
- Dan Muhtar, MDPanorama City, CA 914021154513463
Common questions
What is Tien-Yu Chang, M.D.'s NPI number?
Tien-Yu Chang, M.D.'s National Provider Identifier (NPI) is 1225213515, issued on Jan 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tien-Yu Chang, M.D. located?
The NPPES record lists a practice address at 13652 Cantara St, Panorama City, CA, 91402. Phone: (818) 375-2809. Providers update this record themselves, so call before visiting.
How can I verify Tien-Yu Chang, M.D.'s license?
NPPES lists California license number A93643, 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.
What is Tien-Yu Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 65 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.