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

Individual provider Anesthesiology Physician · NPI 1558355677

Dr. Ronald Dean Hayashi, MD is an Anesthesiology in Sacramento, California. Qualified in 1984, 42 years ago. Practices with Central Anesthesia Service Exchange Medical Group Inc, a 106-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
42
Licensed in
CA
In the registry since
2005
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

3315 Watt Ave
Sacramento, CA 95821-3600
Phone: (916) 481-6800
Fax: (916) 481-1881
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A43719 (CA)

Record details

NPI number1558355677
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 2, 2005
Last updated in NPPESNovember 19, 2010

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice Central Anesthesia Service Exchange Medical Group Inc — 106 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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