Physician Profile

Ronald D. Hayashi, M.D.

Unclaimed Profile

About Dr. Hayashi

Ronald D. Hayashi, M.D. practices anesthesiology in Sacramento, CA. Medicare claims data shows Ronald provided 215 services to 188 patients. The services billed most often include anesthesia for lens surgery, ultrasonic guidance for blood vessel access, and insertion of artery tube for blood sampling or infusion through skin.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Education & Training

School Other Graduated: 1984

Specialty

Anesthesiology (Primary)

Credentials & Licensing

CA licenseA43719
NPI1558355677
NPI issued09/02/2005

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Ronald D. Hayashi specialize in?

Ronald D. Hayashi is an anesthesiologist in Sacramento, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

Where is Ronald D. Hayashi located?

Ronald D. Hayashi is listed at 3315 Watt Ave, Sacramento, CA 95821. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Ronald D. Hayashi's phone number?

The number on file is (916) 481-6800. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Ronald D. Hayashi?

Ronald D. Hayashi's National Provider Identifier is 1558355677. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Ronald D. Hayashi train?

Ronald D. Hayashi attended Other, graduating in 1984. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Ronald D. Hayashi have?

Ronald D. Hayashi has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.

CMS public data

What does Ronald D. Hayashi do most often?

According to Medicare billing data, Ronald D. Hayashi performs procedures including insertion of artery tube for blood sampling or infusion through skin; reads or performs imaging such as ultrasonic guidance for blood vessel access; provides treatments such as anesthesia for lens surgery and anesthesia for extensive surgery on spine. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Ronald D. Hayashi's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Ronald D. Hayashi. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.