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Physician Profile

Mark J. Apfel, M.D.

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At a glance

About Dr. Apfel

Based in Boonville, CA, Mark J. Apfel, M.D. is listed in the NPI registry under family practice. Mark graduated from State University of New York at Buffalo School of Medicine in 1973. Mark is also listed as specializing in family medicine. According to Medicare claims data, the services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes. NPI 1538219779 identifies this record in the national registry.

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

Specialty

Family Practice (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 27316CurrentExpires Apr 2027Since 1974
NPINational Provider Identifier
1538219779Issued 2007

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 does Mark J. Apfel specialize in?

Mark J. Apfel is a family practice in Boonville, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Mark J. Apfel located?

Mark J. Apfel is listed at 13500 Airport Road, Boonville, CA 95415. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Mark J. Apfel's phone number?

The number on file is (707) 895-3477. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mark J. Apfel?

Mark J. Apfel's National Provider Identifier is 1538219779. 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 Mark J. Apfel train?

Mark J. Apfel attended State University of New York at Buffalo School of Medicine, graduating in 1973. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Mark J. Apfel have?

Mark J. Apfel has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.

CMS public data

What does Mark J. Apfel do most often?

According to Medicare billing data, Mark J. Apfel 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

Is Mark J. Apfel's profile verified?

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

Guide.md

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