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

Konstantinos Vlachonassios, MD

Individual provider Cardiovascular Disease Physician · NPI 1851473003

Konstantinos Vlachonassios, MD is a Cardiovascular Disease (Cardiology) in Lakewood, California. Qualified in 1988, 38 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.

Years since qualifying
38
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

3300 E South St Ste 301
Lakewood, CA 90805-4561
Phone: (562) 622-9500
Fax: (562) 622-9513
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence A52738 (CA)

Record details

NPI number1851473003
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 19, 2006
Last updated in NPPESDecember 12, 2024
Certification dateDecember 12, 2024

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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