Registry data as of Aug 27, 2026

Magnus To

Student in an Organized Health Care Education/Training Program · Riverside, CA

Magnus To is a student in an organized health care education/training program with a practice address in Riverside, California, and NPI 1194353540, issued on Mar 31, 2020. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1194353540
Name
Magnus To
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
4445 Magnolia Ave, Riverside, CA 92501
Phone
(951) 788-3274
Enumerated
Mar 31, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4445 Magnolia Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joey Abadilla, MDStudent in an Organized Health Care Education/Training Program1093417818
  2. Rashed AbdelaalDiagnostic Radiology Physician1518726090
  3. Ahmed Abdelhalim, MDDiagnostic Radiology Physician1275162927
  4. Nirusha AbeydeeraStudent in an Organized Health Care Education/Training Program1295354454
  5. Alyssa Aboff, CRNA, DNPCertified Registered Nurse Anesthetist1760133292
  6. Brandon Abrajan, DOStudent in an Organized Health Care Education/Training Program1861141186

Verify Magnus To in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

96% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

18 Medicare Part D claims for 11 beneficiaries, against an average of 488 among the 106,422 providers of this specialty who prescribed in Part D.

  1. Magnus To18
  2. Specialty average488

Most prescribed

  1. Clopidogrel13 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.

772 student in an organized health care education/training program records list a Riverside practice address

They are 772 of the 13,893 NPPES records with a Riverside practice address, and 49,599 student in an organized health care education/training program records in California.

Other student in an organized health care education/training program records in California

  1. Sanad A'BasiFresno, CA1720915770
  2. Alexander Aabedi, MDSan Francisco, CA1245971480
  3. Andre AabediPomona, CA1891582102
  4. Natalie Aabodi, DMDPomona, CA1851085187
  5. Mati Aamed, PSY.D.Pacoima, CA1689285470
  6. Kjeld Aamodt, DDS, MSSan Francisco, CA1912250176
  7. Megan Aaronson, MD, MSCRLos Angeles, CA1386272102
  8. Manas AavulaPomona, CA1972496644
  9. Louisa AbadaOakland, CA1023502259
  10. Sharon AbadaSan Francisco, CA1003492844

Common questions

What is Magnus To's NPI number?

Magnus To's National Provider Identifier (NPI) is 1194353540, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Magnus To located?

The NPPES record lists a practice address at 4445 Magnolia Ave, Riverside, CA, 92501. Phone: (951) 788-3274. Providers update this record themselves, so call before visiting.

How can I verify Magnus To's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Magnus To prescribe under Medicare Part D?

In 2024, Magnus To had 18 Medicare Part D claims for 11 beneficiaries; the average among student in an organized health care education/training program prescribers was 488. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.