Are you Reuben A. Castillo, M.D.? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Reuben A. Castillo, M.D.

Is this you? Edit this profile

At a glance

About Dr. Castillo

The NPI registry lists Reuben A. Castillo, M.D. as a student in an organized health care education program, in Loma Linda, CA. Reuben graduated from University of California, San Francisco School of Medicine in 2010. Medicare claims data shows Reuben provided 661 services to 642 patients. The services billed most often include emergency department visit with high level of medical decision making, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and critical care, first 30-74 minutes. NPI 1043539935 identifies this record in the national registry.

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

Credentials & Licensing

NPINational Provider Identifier
1043539935Issued 2010

As reported to the NPI registry ↗

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 is Reuben A. Castillo's specialty?

Reuben A. Castillo is a medical trainee in Loma Linda, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.

NPI registry

Where can I find Reuben A. Castillo?

Reuben A. Castillo is listed at 11234 Anderson St Gme Office Cp 21005, Loma Linda, CA 92354. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Reuben A. Castillo?

The number on file is (559) 967-3896. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Reuben A. Castillo?

Reuben A. Castillo's National Provider Identifier is 1043539935. 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

What is Reuben A. Castillo's education?

Reuben A. Castillo attended University of California, San Francisco School of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Reuben A. Castillo have?

Reuben A. Castillo has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.

CMS public data

What is Reuben A. Castillo known for?

According to Medicare billing data, Reuben A. Castillo provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Reuben A. Castillo's profile verified?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD