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Physician Profile

Ryan B. Day, MD PHD

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At a glance

About Dr. Day

Based in Saint Louis, MO, Ryan B. Day, MD PHD is listed in the NPI registry under medical oncology. Ryan graduated from Washington University School of Medicine in 2016. Ryan is also listed as specializing in internal medicine. According to Medicare claims data, Ryan cared for 39 Medicare patients across 169 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1417307976 identifies this record in the national registry.

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

Education & Training

Specialty

Medical Oncology (Primary)

Credentials & Licensing

MO licenceAs reported to the NPI registry
No. 2019032162As reported
NPINational Provider Identifier
1417307976Issued 2016

As reported to the NPI registry ↗

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. Day's specialty?

Dr. Day is an oncologist in Saint Louis, MO. 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. Day?

Dr. Day is listed at 4921 Parkview Pl Div Im Medical Oncology, Ste 7A, 7B, 7C, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Day?

The number on file is (800) 647-2098. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Day's NPI number?

Dr. Day's National Provider Identifier is 1417307976. 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. Day's medical education?

Dr. Day attended Washington University School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Day been practicing?

Dr. Day has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.

CMS public data

What is Dr. Day known for?

According to Medicare billing data, Dr. Day 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

Has Dr. Day confirmed this information?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.