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Physician Profile

David O. Maclachlan, MD

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At a glance

About Dr. Maclachlan

David O. Maclachlan, MD is a healthcare provider in Santa Ana, CA specializing in internal medicine. This provider record is associated with NPI 1114430402.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 6626DelinquentExpired Nov 30, 2025Since 1961
NPINational Provider Identifier
1114430402Issued 2017

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Common questions

What kind of doctor is Dr. Maclachlan?

Dr. Maclachlan is an internist in Santa Ana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Dr. Maclachlan's address?

Dr. Maclachlan is listed at 10161 Broadview Pl, Santa Ana, CA 92705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Maclachlan?

The number on file is (714) 544-7175. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Maclachlan's NPI number?

Dr. Maclachlan's National Provider Identifier is 1114430402. 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. Maclachlan been practicing?

Dr. Maclachlan has 9+ years experience. Registered with an NPI since 2017. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Maclachlan confirmed this information?

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

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