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Physician Profile

John W. Birsner, MD

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At a glance

About Dr. Birsner

John W. Birsner, MD is a healthcare provider in Lancaster, CA specializing in obstetrics & gynecology. This provider record is associated with NPI 1457443525.

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

Specialty

Credentials & Licensing

CA · Physician and Surgeon CMedical Board of California
No. 37218CurrentExpires Dec 31, 2026Since 1976
NPINational Provider Identifier
1457443525Issued 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. Birsner specialize in?

Dr. Birsner is an OB-GYN in Lancaster, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Obstetrics & Gynecology”.

NPI registry

Where is Dr. Birsner located?

Dr. Birsner is listed at 1600 W Avenue J, Lancaster, CA 93534. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Birsner's phone number?

The number on file is (661) 943-4236. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Birsner?

Dr. Birsner's National Provider Identifier is 1457443525. 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. Birsner have?

Dr. Birsner 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

Is Dr. Birsner's profile verified?

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

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