Physician Profile

Douglas R. Johnston, M.D.

Unclaimed Profile

About Dr. Johnston

Based in Chicago, IL, Douglas R. Johnston, M.D. is listed in the NPI registry under thoracic surgery (cardiothoracic). Douglas graduated from Harvard Medical School in 1998. Medicare claims data shows Douglas provided 218 services to 150 patients. The services billed most often include anticoagulant management of patient taking warfarin, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and harvest of vein using an endoscope.

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

Thoracic Surgery (Cardiothoracic) (Primary)
Thoracic Surgery (Cardiothoracic) (Additional)

Credentials & Licensing

IL license036161339
OH license35.090948
NPI1790957991
NPI issued03/27/2008

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
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 is Douglas R. Johnston's specialty?

Douglas R. Johnston is a thoracic surgery (cardiothoracic) in Chicago, IL. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Douglas R. Johnston?

Douglas R. Johnston is listed at 675 N Saint Clair St Ste 19-100, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Douglas R. Johnston?

The number on file is (312) 649-3134. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Douglas R. Johnston?

Douglas R. Johnston's National Provider Identifier is 1790957991. 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 Douglas R. Johnston's education?

Douglas R. Johnston attended Harvard Medical School, graduating in 1998. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Douglas R. Johnston have?

Douglas R. Johnston has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.

CMS public data

What is Douglas R. Johnston known for?

According to Medicare billing data, Douglas R. Johnston performs procedures including harvest of vein using an endoscope, replacement of mitral valve on heart-lung machine and replacement of aortic valve on heart-lung machine; provides treatments such as anticoagulant management of patient taking warfarin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Douglas R. Johnston's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Douglas R. Johnston. 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.