DR. WILLIAM H. BAY M.D.
NPI 1104825736
Internal Medicine - Nephrology in Westerville, OH

Active since July 15, 2005
595 COPELAND MILL RD, SUITE 2D, WESTERVILLE, OH 43081(614) 823-8500(614) 823-8501 Get Directions Write a Review

NPPES record last updated: September 24, 2015. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William H. Bay M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM H. BAY M.D. (NPI 1104825736) is an individual nephrology provider in Westerville, Ohio, licensed in Ohio (35033631) and active in the NPI registry since July 2005.

NPPES Registry Identity

NPI1104825736
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. WILLIAM H. BAYCredential: M.D.
Location Address595 COPELAND MILL RD, SUITE 2DWesterville, OH 43081-8908
Mailing Address595 Copeland Mill Rd, Suite 2dWesterville, OH 43081-8908 · (614) 823-8500 · Fax (614) 823-8501
Fax(614) 823-8501
Sole ProprietorNo
Enumeration DateJuly 15, 2005
Last NPPES UpdateSeptember 24, 2015
NPI 1104825736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in OH · 35033631
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
595 COPELAND MILL RD, Westerville, OH 43081

Other Identifiers 6

Medicare PIN4057348OH
Medicare PIN4057346OH
Medicare PIN4057345OH
Medicaid0279372OH
Medicare UPINA75334OH
Medicare PIN4057347OH

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist (Pediatric Dentistry)
595 COPELAND MILL RD, SUITE 2E
WESTERVILLE, OH 43081
Internal Medicine (Nephrology)
595 COPELAND MILL RD, SUITE 2D
WESTERVILLE, OH 43081
Counselor (Professional)
595 COPELAND MILL RD, SUITE 2A
WESTERVILLE, OH 43081
Dentist (Pediatric Dentistry)
595 COPELAND MILL RD, SUITE ZE
WESTERVILLE, OH 43081
Pediatrics
595 COPELAND MILL RD
WESTERVILLE, OH 43081
Pediatrics
595 COPELAND MILL RD
WESTERVILLE, OH 43081
Counselor (Mental Health)
595 COPELAND MILL RD
WESTERVILLE, OH 43081
Emergency Medicine
595 COPELAND MILL RD, SUITE 1D
WESTERVILLE, OH 43081

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Bay's NPI number?

The NPI number for William Bay is 1104825736. It was assigned to this individual provider in the NPPES registry on July 15, 2005.

Where is William Bay located?

William Bay practices at 595 Copeland Mill Rd Suite 2D, Westerville, OH 43081. The listed phone number is (614) 823-8500.

What is William Bay's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

When was this NPI record last updated?

The NPPES record for William Bay was last updated on September 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.