Physician Profile

John O Ranker, MD

Unclaimed Profile

About Dr. Ranker

John O Ranker, MD is a healthcare provider in Perrysburg, OH specializing in nephrology. John trained at University of Cincinnati College of Medicine, graduating in 2003. John is also listed as specializing in internal medicine. According to Medicare claims data, John cared for 720 Medicare patients across 1,701 services.

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

NEPHROLOGY (Primary)

Credentials & Licensing

OH license57009242
NPI1508069444
NPI issued06/07/2007

Source: NPPES NPI Registry

Common questions

What kind of doctor is Dr. Ranker?

Dr. Ranker is a nephrology in Perrysburg, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.

NPI registry

What is Dr. Ranker's address?

Dr. Ranker is listed at 1103 VILLAGE SQUARE DR STE 205, Perrysburg, OH 43551. 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. Ranker?

The number on file is (419) 874-3246. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Ranker's NPI number?

Dr. Ranker's National Provider Identifier is 1508069444. 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. Ranker train?

Dr. Ranker attended University of Cincinnati College of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Ranker been practicing?

Dr. Ranker has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Ranker perform?

According to Medicare billing data, Dr. Ranker provides treatments such as dialysis services, per day, less than full month service and dialysis services, 4 or more physician visits per month, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Ranker confirmed this information?

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