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Physician Profile

Hanlon B. Jen, MD

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At a glance

About Dr. Jen

Hanlon B. Jen, MD practices surgery in Fremont, CA. The provider's National Provider Identifier (NPI) is 1891870556.

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

Education & Training

Medical School Other Graduated: 1996

Specialty

Surgery (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 65574CurrentExpires Sep 2027Since 1998
NPINational Provider Identifier
1891870556Issued 2006

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 Dr. Jen?

Dr. Jen is a general surgeon in Fremont, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.

NPI registry

What is Dr. Jen's address?

Dr. Jen is listed at 39400 Paseo Padre Pkwy, Fremont, CA 94538. 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. Jen?

The number on file is (510) 795-3000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Jen's NPI number?

Dr. Jen's National Provider Identifier is 1891870556. 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 Dr. Jen train?

Dr. Jen attended Other, graduating in 1996. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Jen been practicing?

Dr. Jen has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Jen confirmed this information?

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

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