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Physician Profile

William C. O'Neill, MD

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At a glance

About Dr. O'neill

William C. O'Neill, MD is a healthcare provider in Atlanta, GA specializing in nephrology. William trained at Tufts University School of Medicine, graduating in 1979. According to Medicare claims data, William cared for 129 Medicare patients across 199 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, complete ultrasound scan behind abdominal cavity, and hemodialysis procedure with physician evaluation. This provider record is associated with NPI 1215049648.

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

Education & Training

Specialty

Nephrology (Primary)

Credentials & Licensing

GA licenceAs reported to the NPI registry
No. 28056As reported
NPINational Provider Identifier
1215049648Issued 2006

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 does Dr. O'Neill specialize in?

Dr. O'Neill is a kidney specialist in Atlanta, GA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nephrology”.

NPI registry

Where is Dr. O'Neill located?

Dr. O'Neill is listed at 1365 Clifton Rd Ne Bldg B the Emory Clinic - Nephrology, Atlanta, GA 30322. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. O'Neill's phone number?

The number on file is (404) 778-4366. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. O'Neill's NPI number?

Dr. O'Neill's National Provider Identifier is 1215049648. 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. O'Neill go to medical school?

Dr. O'Neill attended Tufts University School of Medicine, graduating in 1979. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. O'Neill been practicing?

Dr. O'Neill has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.

CMS public data

What does Dr. O'Neill do most often?

According to Medicare billing data, Dr. O'Neill performs imaging including complete ultrasound scan behind abdominal cavity; provides treatments such as hemodialysis procedure with physician evaluation, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. O'Neill confirmed this information?

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

Guide.md

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