Physician Profile

Rosemary Castoreno, MD

Unclaimed Profile

About Dr. Castoreno

Based in San Antonio, TX, Rosemary Castoreno, MD is listed in the NPI registry under internal medicine. Medicare claims data shows Rosemary provided 67 services to 65 patients. The services billed most often include telephone medical discussion with physician, 11-20 minutes. NPI 1225135957 identifies this record in the national registry.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

TX licenceAs reported to the NPI registry
No. M3966As reported
CA licenceAs reported to the NPI registry
No. C168306As reported
OH licenceAs reported to the NPI registry
No. 35.138061As reported
NPINational Provider Identifier
1225135957Issued 2006

As reported to the NPI registry ↗

Medicare information

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 Dr. Castoreno specialize in?

Dr. Castoreno is an internist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is Dr. Castoreno located?

Dr. Castoreno is listed at 2551 N Interstate 35, San Antonio, TX 78208. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Castoreno's phone number?

The number on file is (210) 333-0733. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Castoreno?

Dr. Castoreno's National Provider Identifier is 1225135957. 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

How much experience does Dr. Castoreno have?

Dr. Castoreno has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

What does Dr. Castoreno do most often?

According to Medicare billing data, Dr. Castoreno 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 Dr. Castoreno's profile verified?

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

Guide.md

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