Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Matthew Sinclair Kaplan, MD

Individual provider Emergency Medicine Physician · NPI 1518991322

Dr. Matthew Sinclair Kaplan, MD is an Emergency Medicine in Mission Viejo, California. Graduated from Tulane University School of Medicine in 1995, 31 years ago. Practices with Mission Viejo Emergency Medical Associates, a 15-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
31
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2006
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

27700 Medical Center Rd
Mission Viejo, CA 92691-6426
Phone: (949) 364-1400
Fax: (949) 365-4941
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A61677 (CA)

Record details

NPI number1518991322
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 10, 2006
Last updated in NPPESJune 27, 2008

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Mission Viejo Emergency Medical Associates — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Mission Viejo