Samuel Ross Donnenfeld, MD
Urology Physician · Riverside, CA
Samuel Ross Donnenfeld, MD is a urology physician with a practice address in Riverside, California, and NPI 1760045504, issued on Apr 17, 2019. Check the license (California A202659, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samuel Ross Donnenfeld
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A202659 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10800 Magnolia Ave, Riverside, CA 92505
- Phone
- (091) 232-7106
- Enumerated
- Apr 17, 2019
- Record last updated
- Jul 31, 2025
- Medicare enrollment
- Enrolled (PECOS I20251125002861); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 10800 Magnolia Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alfredo Aguiar, PAPhysician Assistant1043368970
- Michael Aguinaldo, M.D.Pediatrics Physician1851531487
- Maria Aguirre, MDPediatrics Physician1295806255
Verify Samuel Ross Donnenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A202659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average urology physician in 2024
27 Medicare Part D claims for 17 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
Most prescribed
- Testosterone Cypionate12 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: $194.75
3 payments; by number, the most common kind was food and beverage; the largest payer was Endo USA, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 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
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel Ross Donnenfeld among 1,524 urology physician records in California
Samuel Ross Donnenfeld, MD is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2003 among the 1,049 with a school on file
- Record last updated2025 · 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 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Riverside → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Aravind Chandrashekar, M.D.Riverside, CA 925051215267307
- Eric Forneret, MDRiverside, CA 925051205903036
- Paul Gweon, MDRiverside, CA 925051528127198
- Daniel Kronenberg, MDRiverside, CA 925051720576705
- Ivan Lee, MDRiverside, CA 925051538231865
- Brandon Louie, M.D.Riverside, CA 925051104152149
- Lincoln Maynes, MDRiverside, CA 925051124055025
- Raul Ordorica, MDRiverside, CA 925051235159773
Common questions
What is Samuel Ross Donnenfeld, MD's NPI number?
Samuel Ross Donnenfeld, MD's National Provider Identifier (NPI) is 1760045504, issued on Apr 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Ross Donnenfeld, MD located?
The NPPES record lists a practice address at 10800 Magnolia Ave, Riverside, CA, 92505. Phone: (091) 232-7106. Providers update this record themselves, so call before visiting.
How can I verify Samuel Ross Donnenfeld, MD's license?
NPPES lists California license number A202659, 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 Samuel Ross Donnenfeld, MD prescribe under Medicare Part D?
In 2024, Samuel Ross Donnenfeld, MD had 27 Medicare Part D claims for 17 beneficiaries; the average among urology physician prescribers was 1,340. 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.