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Physician Profile

John S. Ferguson, MD

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At a glance

About Dr. Ferguson

Based in Madison, WI, John S. Ferguson, MD is listed in the NPI registry under pulmonary disease. John graduated from University of Texas Medical Branch at Galveston in 1988. John is also listed as specializing in internal medicine and critical care medicine. Medicare claims data shows John provided 731 services to 669 patients. The services billed most often include test to measure expiratory airflow and volume, test to examine how well the lungs exchange gases, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1205823317 identifies this record in the national registry.

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

Specialty

Pulmonary Disease (Primary)
Critical Care Medicine (Additional)

Credentials & Licensing

WI licenceAs reported to the NPI registry
No. 52109As reported
NPINational Provider Identifier
1205823317Issued 2005

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
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. Ferguson?

Dr. Ferguson is a lung specialist in Madison, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pulmonary Disease”.

NPI registry

What is Dr. Ferguson's address?

Dr. Ferguson is listed at 600 Highland Ave, Madison, WI 53792. 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. Ferguson?

The number on file is (608) 263-7203. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Ferguson?

Dr. Ferguson's National Provider Identifier is 1205823317. 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. Ferguson train?

Dr. Ferguson attended University of Texas Medical Branch at Galveston, graduating in 1988. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Ferguson have?

Dr. Ferguson has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Ferguson perform?

According to Medicare billing data, Dr. Ferguson performs procedures including biopsy of lobe of lung using an endoscope, 1 lobe, irrigation and suction of lung airways to obtain cells using an endoscope and exam of lung airways with diagnostic or therapeutic procedure on growths using an endoscope and ultrasound; provides treatments such as test to measure expiratory airflow and volume and test to examine how well the lungs exchange gases, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Ferguson's profile verified?

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

Guide.md

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