Roger Tsung-Yun Cheng, M.D.
Internal Medicine Physician · Riverside, CA
Roger Tsung-Yun Cheng, M.D. is an internal medicine physician with a practice address in Riverside, California, and NPI 1265458301, issued on Jul 14, 2006. Check the license (California A39382, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roger Tsung-Yun Cheng
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A39382 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3975 Jackson St, Riverside, CA 92503
- Phone
- (951) 354-2500
- Enumerated
- Jul 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (951) 687-8150
- Medicare enrollment
- Enrolled (PECOS I20110425000730); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3975 Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Judith Bedoy, M.DPediatrics Physician1396831145
- Robert Bonner, M.D.Endocrinology, Diabetes & Metabolism Physician1497862684
- Peter Chang, MDStudent in an Organized Health Care Education/Training Program1184667560
- Annette Conrad, MPA, MPTPhysician Assistant1689780843
- John Coon, M.D.Surgery Physician1225086861
Verify Roger Tsung-Yun Cheng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A39382Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,085 Medicare Part D claims for 207 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 200 claims were for opioids.
Most prescribed
- Atorvastatin Calcium351 claims
- Losartan Potassium159 claims
- Amlodipine Besylate124 claims
- Hydrocodone-Acetaminophen118 claims
- Hydrochlorothiazide112 claims
- Metformin Hcl91 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: $115.38
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Roger Tsung-Yun Cheng among 17,696 internal medicine physician records in California
Roger Tsung-Yun Cheng, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1979 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
187 internal medicine physician records list a practice address in Riverside
They are 187 of the 13,893 NPPES records with a practice address in Riverside, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Riverside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jennifer Chang, M.D.Riverside, CA 925031831364991
- Willie Citrin, MDRiverside, CA 925031558321497
- Fady Fayad, M.D.Riverside, CA 925031205862612
- Bahaa Girgis, M.D.Riverside, CA 925031154519213
- Liwen Han, MDRiverside, CA 925031205030459
- Naila Khan, D.O.Riverside, CA 925031407303324
- Ahmed Kheiter, MDRiverside, CA 925031194896043
- Amy Lee, MD, FACE, FACGSRiverside, CA 925031639135098
Common questions
What is Roger Tsung-Yun Cheng, M.D.'s NPI number?
Roger Tsung-Yun Cheng, M.D.'s National Provider Identifier (NPI) is 1265458301, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger Tsung-Yun Cheng, M.D. located?
The NPPES record lists a practice address at 3975 Jackson St, Riverside, CA, 92503. Phone: (951) 354-2500. Providers update this record themselves, so call before visiting.
How can I verify Roger Tsung-Yun Cheng, M.D.'s license?
NPPES lists California license number A39382, 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 Roger Tsung-Yun Cheng, M.D. prescribe under Medicare Part D?
In 2024, Roger Tsung-Yun Cheng, M.D. had 3,085 Medicare Part D claims for 207 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.