Ryan Chun-Long Cheung
Surgery Physician · Pasadena, CA
Ryan Chun-Long Cheung is a surgery physician with a practice address in Pasadena, California, and NPI 1245868116, issued on Mar 27, 2020. Check the license (California A190377, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Chun-Long Cheung
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A190377 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 W California Blvd, Pasadena, CA 91105
- Phone
- (626) 397-5187
- Enumerated
- Mar 27, 2020
- Record last updated
- Jul 15, 2024
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 100 W California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
- Lina Acopians, DOHospitalist Physician1548821523
- Daniel Adran, MDNeuroradiology Physician1518456441
- Alipasha Adrangui, M.D.Hospitalist Physician1780911263
- Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
- Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603
Verify Ryan Chun-Long Cheung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A190377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average surgery physician in 2024
62 Medicare Part D claims for 47 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 43 claims were for opioids.
Most prescribed
- Oxycodone Hcl28 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.
Industry payments in 2024: $50.56
2 payments; by number, the most common kind was food and beverage; the largest payer was W. L. Gore & Associates, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Ryan Chun-Long Cheung among 3,118 surgery physician records in California
Ryan Chun-Long Cheung is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.
- NPI issued2020 · 94% of these records are older, 5% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Pasadena → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- David Albin, M.D.Pasadena, CA 911051730220393
- Michael Albin, M.D.Pasadena, CA 911051306074497
- Magdi Alexander, F.A.C.S.Pasadena, CA 911051255378303
- James Blitz, MDPasadena, CA 911051841206778
- Scott Gaspard, M.D.Pasadena, CA 911051619147071
- Howard Kaufman, MDPasadena, CA 911051912939604
- Ara Keshishian, MDPasadena, CA 911051740251693
- David Lourie, MDPasadena, CA 911051013966571
Common questions
What is Ryan Chun-Long Cheung's NPI number?
Ryan Chun-Long Cheung's National Provider Identifier (NPI) is 1245868116, issued on Mar 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Chun-Long Cheung located?
The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (626) 397-5187. Providers update this record themselves, so call before visiting.
How can I verify Ryan Chun-Long Cheung's license?
NPPES lists California license number A190377, 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 Ryan Chun-Long Cheung prescribe under Medicare Part D?
In 2024, Ryan Chun-Long Cheung had 62 Medicare Part D claims for 47 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
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.