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Physician Profile

Alejandro S. Casillas, M.D.

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At a glance

About Dr. Casillas

Based in Ukiah, CA, Alejandro S. Casillas, M.D. is listed in the NPI registry under emergency medicine. Alejandro graduated from University of Southern California Keck School of Medicine in 2008. According to Medicare claims data, the services billed most often include emergency department visit with low level of medical decision making. NPI 1376707919 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 114918CurrentExpires Nov 30, 2026Since 2010
NPINational Provider Identifier
1376707919Issued 2008

Snapshot · verify with the 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 kind of doctor is Alejandro S. Casillas?

Alejandro S. Casillas is an emergency physician in Ukiah, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

What is Alejandro S. Casillas's address?

Alejandro S. Casillas is listed at 275 Hospital Dr, Ukiah, CA 95482. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Alejandro S. Casillas?

The number on file is (707) 462-7900. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Alejandro S. Casillas?

Alejandro S. Casillas's National Provider Identifier is 1376707919. 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 Alejandro S. Casillas train?

Alejandro S. Casillas attended University of Southern California Keck School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Alejandro S. Casillas have?

Alejandro S. Casillas has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.

CMS public data

What procedures does Alejandro S. Casillas perform?

According to Medicare billing data, Alejandro S. Casillas the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Alejandro S. Casillas's profile verified?

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

Guide.md

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