Samuel Sang-Il Oh, MD
Family Medicine Physician · Riverside, CA
Samuel Sang-Il Oh, MD is a family medicine physician with a practice address in Riverside, California, and NPI 1760466197, issued on Nov 30, 2005. Check the license (California G78217, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samuel Sang-Il Oh
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G78217 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6250 Clay St, Riverside, CA 92509
- Phone
- (951) 360-5270
- Enumerated
- Nov 30, 2005
- Record last updated
- Apr 14, 2025
- Fax
- (951) 360-9069
- Medicare enrollment
- Enrolled (PECOS I20090124000112); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 6250 Clay St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naheed Aljilani, MDPediatrics Physician1598748410
- Cynthia Cheng, MDFamily Medicine Physician1932780939
- Jenny Jean, M.D.Obstetrics & Gynecology Physician1881129732
- Prateek Jindal, DOFamily Medicine Physician1427038736
- Jacqueline Powers-Bowier, PAMedical Physician Assistant1255316261
- Steven Salzman, MDFamily Medicine Physician1588649040
Verify Samuel Sang-Il Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average family medicine physician in 2024
12,617 Medicare Part D claims for 886 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 272 claims were for opioids.
Most prescribed
- Amlodipine Besylate870 claims
- Atorvastatin Calcium848 claims
- Lisinopril687 claims
- Losartan Potassium520 claims
- Metformin Hcl436 claims
- Simvastatin372 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: $283.90
13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
258 family medicine physician records list a practice address in Riverside
They are 258 of the 13,893 NPPES records with a practice address in Riverside, and 17,133 family medicine physician records in California.
All 258 in Riverside → All 17,133 in California → Every provider in Riverside →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Samuel Sang-Il Oh, MD's NPI number?
Samuel Sang-Il Oh, MD's National Provider Identifier (NPI) is 1760466197, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Sang-Il Oh, MD located?
The NPPES record lists a practice address at 6250 Clay St, Riverside, CA, 92509. Phone: (951) 360-5270. Providers update this record themselves, so call before visiting.
How can I verify Samuel Sang-Il Oh, MD's license?
NPPES lists California license number G78217, 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 Sang-Il Oh, MD prescribe under Medicare Part D?
In 2024, Samuel Sang-Il Oh, MD had 12,617 Medicare Part D claims for 886 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.