Physician Profile

Douglas E. Merkel, MD

Unclaimed Profile

About Dr. Merkel

Douglas E. Merkel, MD practices medical oncology in Evanston, IL. Douglas is a 1981 graduate of Northwestern University Feinberg Medical School. Medicare claims data shows Douglas provided 1,805 services to 885 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 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 — free, and no identity document with a practice or institutional email.

Specialty

Medical Oncology (Primary)

Credentials & Licensing

IL license036065572
NPI1235156811
NPI issued07/17/2006

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. Merkel's specialty?

Dr. Merkel is an oncologist in Evanston, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.

NPI registry

Where can I find Dr. Merkel?

Dr. Merkel is listed at 2650 Ridge Ave Kellogg Cancer Center, Evanston, IL 60201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Merkel?

The number on file is (847) 570-2112. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Merkel?

Dr. Merkel's National Provider Identifier is 1235156811. 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. Merkel's medical education?

Dr. Merkel attended Northwestern University Feinberg Medical School, graduating in 1981. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Merkel have?

Dr. Merkel has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.

CMS public data

What is Dr. Merkel known for?

According to Medicare billing data, Dr. Merkel 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 Dr. Merkel's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Merkel. 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.