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

Dr. Steven Kiyoshi Yamazaki, MD

Individual provider Sports Medicine (Family Medicine) Physician · NPI 1861757890

Dr. Steven Kiyoshi Yamazaki, MD is a Family Practice in Castle Rock, Colorado. Qualified in 2008, 18 years ago. Practices with Portercare Adventist Health System, a 767-clinician group and accepts Medicare assignment. Licensed in Colorado and Georgia.

Years since qualifying
18
Licensed in
CO, GA
In the registry since
2012
Specialties on file
3
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

831 S Perry St #200
Castle Rock, CO 80104-1919
Phone: (303) 218-7774
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence DR.0056881 (CO)
Sports Medicine (Family Medicine) Physician Taxonomy 207QS0010X · Licence 66919 (GA)
Sports Medicine (Family Medicine) Physician Taxonomy 207QS0010X · Licence DR.0056881 (CO)

Record details

NPI number1861757890
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2012
Last updated in NPPESOctober 3, 2017

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Portercare Adventist Health System — 767 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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