Physician Profile

Lon C. Madsen, DO

Unclaimed Profile

About Dr. Madsen

Lon C. Madsen, DO practices family medicine in Spokane, WA. Lon is a 1993 graduate of College of Osteo Med of the Pacific at Pomona. According to Medicare claims data, Lon cared for 292 Medicare patients across 404 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Education & Training

Specialty

Family Medicine (Primary)
Family Medicine (Additional)

Credentials & Licensing

WA licenseOP00001511
AZ license008315
NPI1558433052
NPI issued11/14/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing 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 is Dr. Madsen's specialty?

Dr. Madsen is a family doctor in Spokane, WA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

Where can I find Dr. Madsen?

Dr. Madsen is listed at 9708 N Nevada St Ste 203, Spokane, WA 99218. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Madsen?

The number on file is (509) 863-9240. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Madsen's NPI number?

Dr. Madsen's National Provider Identifier is 1558433052. 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 Dr. Madsen's medical education?

Dr. Madsen attended College of Osteo Med of the Pacific at Pomona, graduating in 1993. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Madsen been practicing?

Dr. Madsen has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.

CMS public data

What is Dr. Madsen known for?

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

Medicare claims

Has Dr. Madsen confirmed this information?

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

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.