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Physician Profile

Ronnie I. Mimran, MD

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At a glance

About Dr. Mimran

Ronnie I. Mimran, MD is a healthcare provider in Castro Valley, CA specializing in neurological surgery. According to Medicare claims data, Ronnie cared for 69 Medicare patients across 78 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. This provider record is associated with NPI 1821043498.

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

Specialty

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 90574CurrentExpires Nov 30, 2026Since 2005
NPINational Provider Identifier
1821043498Issued 2006

Snapshot · verify with the board ↗

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. Mimran specialize in?

Dr. Mimran is a neurosurgeon in Castro Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Neurological Surgery”.

NPI registry

Where is Dr. Mimran located?

Dr. Mimran is listed at 20055 Lake Chabot Rd #110, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Mimran's phone number?

The number on file is (510) 886-3138. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Mimran's NPI number?

Dr. Mimran's National Provider Identifier is 1821043498. 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 long has Dr. Mimran been practicing?

Dr. Mimran 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. Mimran do most often?

According to Medicare billing data, Dr. Mimran 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

Has Dr. Mimran confirmed this information?

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

Guide.md

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