NPPES file of Aug 9, 2026

Michael Mathison, MD

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

Michael Mathison, MD is a student in an organized health care education/training program with a practice address in Sylmar, California, and NPI 1689136947, issued on Apr 4, 2019. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689136947
Name
Michael Mathison
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
14445 Olive View Dr, Sylmar, CA 91342
Phone
(714) 614-2405
Enumerated
Apr 4, 2019
Record last updated
Apr 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20230703002599); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2019
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14445 Olive View Dr

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

  1. Nasser Abdo, MDInternal Medicine Physician1306911649
  2. Gezman Abdullahi, M.D.Internal Medicine Physician1225394380
  3. Moyosore Abere, NPNurse Practitioner1225667314
  4. Ammini Abraham, MDAnesthesiology Physician1467531541
  5. Margarita Acosta, RN, AGACNPAcute Care Nurse Practitioner1609202415
  6. Fredric Adler, MDInternal Medicine Physician1356376735

Verify Michael Mathison 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.

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Bills Medicare through one group practice

  1. Clearview Eye And Laser Medical Center A Professional CorporationSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Mathison among 40,652 student in an organized health care education/training program records in California

Michael Mathison, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% 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 20% of them.

  • NPI issued2019 · 20% of these records are older, 76% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2019 · median 2017 among the 2,409 with a school on file
  • Record last updated2019 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

189 student in an organized health care education/training program records list a practice address in Sylmar

They are 189 of the 1,454 NPPES records with a practice address in Sylmar, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. George Chernis, M.D.Sylmar, CA 913421548454572
  2. David Han, M.D.Sylmar, CA 913421043462112
  3. Nghi Hoang, M.D.Sylmar, CA 913421700078680
  4. Allen Joo, M.D.Sylmar, CA 913421902000854
  5. Soyun Kim, M.D.Sylmar, CA 913421194977413
  6. Marisol Luna-Pizano, M.D.Sylmar, CA 913421437346806
  7. Mark McDonnell, MDSylmar, CA 913421194906693
  8. Victoria Millay, M.D.Sylmar, CA 913421033343272

Common questions

What is Michael Mathison, MD's NPI number?

Michael Mathison, MD's National Provider Identifier (NPI) is 1689136947, issued on Apr 4, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Michael Mathison, MD located?

The NPPES record lists a practice address at 14445 Olive View Dr, Sylmar, CA, 91342. Phone: (714) 614-2405. Providers update this record themselves, so call before visiting.

How can I verify Michael Mathison, MD's license?

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