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Physician Profile

Aaron Der, M.D.

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At a glance

About Dr. Der

Aaron Der, M.D. is a healthcare provider in Antioch, CA specializing in internal medicine. Aaron trained at Boston University School of Medicine, graduating in 2014. This provider record is associated with NPI 1174942130.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 138897CurrentExpires Oct 2027Since 2015
NPINational Provider Identifier
1174942130Issued 2014

Snapshot · verify with the board ↗

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 kind of doctor is Aaron Der?

Aaron Der is an internist in Antioch, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Aaron Der's address?

Aaron Der is listed at 4501 Sand Creek Rd, Antioch, CA 94531. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Aaron Der?

The number on file is (925) 813-6500. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Aaron Der's NPI number?

Aaron Der's National Provider Identifier is 1174942130. 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

Where did Aaron Der train?

Aaron Der attended Boston University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.

CMS public data

How long has Aaron Der been practicing?

Aaron Der has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.

CMS public data

Has Aaron Der confirmed this information?

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

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