Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Aleksey Korolyov

Individual provider Internal Medicine Physician · NPI 1891055349

Mr. Aleksey Korolyov practises Internal Medicine in Santa Monica, California. Graduated from University of California, Davis School of Medicine in 2014, 12 years ago. Practices with The Regents of the University of California, a 1,414-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
University of California, Davis School of Medicine
Licensed in
CA
In the registry since
2012
Specialties on file
2
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Practice location Address checks out

1250 16th St # C2304
Santa Monica, CA 90404-1249
Phone: (310) 319-4698
Fax: (310) 319-4908
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A141941 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A141941 (CA)

Record details

NPI number1891055349
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMay 17, 2012
Last updated in NPPESAugust 19, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice The Regents Of The University Of California — 1414 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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 patients342
Services billed 971 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

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.

Colleagues at The Regents of the University of California

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1414 clinicians in the practice; 12 are shown here.

Other providers in Santa Monica