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Physician Profile

Lawrence A. Senffner, M.D.

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At a glance

About Dr. Senffner

Lawrence A. Senffner, M.D. practices internal medicine in Arcata, CA. Lawrence is a 1967 graduate of University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb). According to Medicare claims data, Lawrence cared for 362 Medicare patients across 452 services. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. The provider's National Provider Identifier (NPI) is 1730120676.

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. 17651DelinquentExpired Sep 30, 2026Since 1969
NPINational Provider Identifier
1730120676Issued 2006

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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 is Lawrence A. Senffner's specialty?

Lawrence A. Senffner is an internist in Arcata, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find Lawrence A. Senffner?

Lawrence A. Senffner is listed at 3798 Janes Rd Suite 20, Arcata, CA 95521. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Lawrence A. Senffner?

The number on file is (707) 822-2432. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Lawrence A. Senffner's NPI number?

Lawrence A. Senffner's National Provider Identifier is 1730120676. 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

What is Lawrence A. Senffner's education?

Lawrence A. Senffner attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1967. This comes from the CMS National Downloadable File.

CMS public data

How long has Lawrence A. Senffner been practicing?

Lawrence A. Senffner has 59 years experience. Calculated from a graduation year of 1967, reported in the CMS National Downloadable File.

CMS public data

What is Lawrence A. Senffner known for?

According to Medicare billing data, Lawrence A. Senffner provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Lawrence A. Senffner confirmed this information?

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

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