Ronald S. Lotoc, MD
Family Medicine Physician · Salem, OR
Ronald S. Lotoc, MD is a family medicine physician with a practice address in Salem, Oregon, and NPI 1275078354, issued on Dec 28, 2016. Check the license (Oregon MD226752, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ronald S. Lotoc
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD226752 OR
Self-reported in NPPES; status is on the state search - Practice location
- 890 Oak St SE Bldg A, Salem, OR 97301
- Phone
- (800) 813-2000
- Enumerated
- Dec 28, 2016
- Record last updated
- Mar 4, 2026
- Medicare enrollment
- Enrolled (PECOS I20260203002918); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 890 Oak St SE Bldg A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ronald S. Lotoc in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD226752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
410 Medicare Part D claims for 166 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 25 claims were for opioids.
Most prescribed
- Cefdinir34 claims
- Methylprednisolone27 claims
- Amoxicillin-Clavulanate Potass22 claims
- Hydrocodone-Acetaminophen19 claims
- Metoprolol Tartrate16 claims
- Potassium Chloride16 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: $67.43
4 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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 3 group practices
- Comanche County Healthcare CorporationLawton, OK
- Integris Ambulatory Care CorporationOklahoma City, OK
- Kaiser Foundation Health Plan OF The NorthwestVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald S. Lotoc among 2,847 family medicine physician records in Oregon
Ronald S. Lotoc, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 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 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2004 · median 2009 among the 1,671 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 family medicine physician records list a practice address in Salem
They are 154 of the 6,700 NPPES records with a practice address in Salem, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Salem → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Raymond Baculi, M.D.Salem, OR 973011558302307
- Paul Balmer, MDSalem, OR 973011740293166
- Davis Cho, MDSalem, OR 973011447293337
- Ryan Cooley, M.D.Salem, OR 973011700994399
- Heather DiazSalem, OR 973011255322269
- Joseph Dziados, M.D.Salem, OR 973011770510398
- Holly Jo Hodges, MDSalem, OR 973011518933902
- Rosamund Irwin, MDSalem, OR 973011003903345
Common questions
What is Ronald S. Lotoc, MD's NPI number?
Ronald S. Lotoc, MD's National Provider Identifier (NPI) is 1275078354, issued on Dec 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ronald S. Lotoc, MD located?
The NPPES record lists a practice address at 890 Oak St SE Bldg A, Salem, OR, 97301. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Ronald S. Lotoc, MD's license?
NPPES lists Oregon license number MD226752, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ronald S. Lotoc, MD prescribe under Medicare Part D?
In 2024, Ronald S. Lotoc, MD had 410 Medicare Part D claims for 166 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.