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

Mark Koester, RMSK

Individual provider Sonography Specialist/Technologist Cardiovascular · NPI 1720593098

Mark Koester, RMSK is a Sonography Specialist/Technologist Cardiovascular in San Diego, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2017
Specialties on file
5

Practice location Address checks out

6699 Alvarado Rd Ste 2302
San Diego, CA 92120-5241
Phone: (949) 313-7736
Fax: (949) 313-7737
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Ultrasound Physician (primary) Taxonomy 2085U0001X · Licence 146834 (CA)
Sonography Specialist/Technologist Cardiovascular Taxonomy 246XS1301X
Electroneurodiagnostic Specialist/Technologist Taxonomy 246ZE0600X
Sonography Radiologic Technologist Taxonomy 2471S1302X
Vascular Sonography Radiologic Technologist Taxonomy 2471V0105X

Record details

NPI number1720593098
Entity typeIndividual (Type 1)
GenderMale
Credentials RMSK
Sole proprietorYes
NPI enumeratedDecember 8, 2017
Last updated in NPPESMay 7, 2018
Mailing addressPo Box 80218, Rancho Santa Margarita, CA 92688-0218

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