Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

John Matthew Ringman, MD

Individual provider Neurological Surgery Physician · NPI 1265451173

John Matthew Ringman, MD practises Neurology in Los Angeles, California. Qualified in 1993, 33 years ago. Practices with USC Care Medical Group Inc, a 1,371-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
33
Licensed in
CA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1520 San Pablo St Ste 3000
Los Angeles, CA 90033-5315
Phone: (323) 457-5710
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence G83793 (CA)
Neurological Surgery Physician Taxonomy 207T00000X · Licence G83793 (CA)

Record details

NPI number1265451173
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESDecember 3, 2020
Certification dateDecember 3, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROLOGY
Also practisesNEUROPSYCHIATRY
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice Usc Care Medical Group Inc — 1371 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients198
Services billed 453 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Also affiliated with 1 hospital, which CMS identifies by certification number only.

Colleagues at USC Care Medical Group Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1371 clinicians in the practice; 12 are shown here.

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