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WILLIAM R DEFOOR M.D.
NPI 1811917420
Urology - Pediatric Urology in Cincinnati, OH

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment
3333 BURNET AVE, ML 5037, CINCINNATI, OH 45229(513) 636-4975(513) 636-6753 Get Directions Write a Review

NPPES record last updated: December 28, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William R Defoor M.d. NPPES

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

WILLIAM R DEFOOR M.D. (NPI 1811917420) is an individual pediatric urology provider in Cincinnati, Ohio, licensed in Ohio (35.082450) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Cincinnati Children's Hospital Medical Center, and is a graduate of University Of Kentucky College Of Medicine (1996).

NPPES Registry Identity

NPI1811917420
Entity TypeIndividualMale
Primary Taxonomy2088P0231X
Provider Legal NameWILLIAM R DEFOORCredential: M.D.
Location Address3333 BURNET AVE, ML 5037Cincinnati, OH 45229-3039
Mailing Address3333 Burnet Ave, Ml 5021Cincinnati, OH 45229-3039 · (513) 636-4225 · Fax (513) 636-2511
Phone(513) 636-4975
Fax(513) 636-6753
Sole ProprietorNo
Medical School CMSUniversity Of Kentucky College Of MedicineGraduated 1996
Enumeration DateJuly 20, 2006
Last NPPES UpdateDecember 28, 2016
✔ NPI 1811917420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrology · Pediatric UrologyAllopathic & Osteopathic Physicians
Taxonomy Code2088P0231X
License✔ Licensed in OH · 35.082450
Definition
Surgeons who can diagnose, treat, and manage children's urinary and genital problems. A pediatric urologist devotes a minimum of 50% of his or her practice to the urologic problems of infants, children, and adolescents. Pediatric urologists generally provide the following services: the evaluation and management of voiding disorders; vesicoureteral reflux, and urinary tract infections that require surgery; surgical reconstruction of the urinary tract (kidneys, ureters, and bladder) including genital abnormalities, hypospadias, and intersex conditions; surgery for groin conditions in childhood and adolescence (undescended testes, hydrocele/hernia, varicocele).
3333 BURNET AVE, Cincinnati, OH 45229
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Other Identifiers 1

Medicaid64063548KY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource, MedMutual.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William R Defoor M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880738285
PECOS Enrollment IDI20100223000855, I20100506000043
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show William Defoor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital Medical Center
Same address
Pediatrics
3333 BURNET AVENUE
Cincinnati, OH 45229
  • Reassigned Medicare billing, Kentucky and Ohio enrollments
  • 110 clinicians in this Medicare group
NPI 1609915784 (513) 636-4225

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

OwnershipVoluntary non-profit - Private
CMS Certification Number363300
Location3333 Burnet AvenueCincinnati, OH 45229 · Hamilton County
Emergency services

Other Providers at the Same Location NPPES 20

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

PREEYACHA PACHARN M.D.
Radiology (Pediatric Radiology)
3333 BURNET AVE, ML 5031
CINCINNATI, OH 45229
Hamilton County (513) 636-4251
BRIAN KEITH TURPIN D.O.
Pediatrics (Pediatric Hematology-Oncology)
3333 BURNET AVE
CINCINNATI, OH 45229
Hamilton County (513) 636-3381
ETHAN J MUSGRAVE M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3333 BURNET AVE, ML 3014
CINCINNATI, OH 45229
Hamilton County (513) 636-4788
KATHRYN WEAVER M.D.
Medical Genetics (Clinical Genetics (M.D.))
3333 BURNET AVE, ML 4006
CINCINNATI, OH 45229
Hamilton County (513) 636-4760
ROBIN T COTTON, MD, INC
Otolaryngology (Pediatric Otolaryngology)
3333 BURNET AVE, MLC 2018
CINCINNATI, OH 45229
Hamilton County (513) 636-7138
ELIZABETH ANN MOORE CNP
Nurse Practitioner (Acute Care)
3333 BURNET AVE, ML 2003
CINCINNATI, OH 45229
Hamilton County (513) 636-4432
CONSTANCE MARIE MARTIN CNP
Nurse Practitioner (Primary Care)
3333 BURNET AVE, ML 2018
CINCINNATI, OH 45229
Hamilton County (513) 636-4355
EMILY RENAE LY LSW
Case Manager/Care Coordinator
3333 BURNET AVE
CINCINNATI, OH 45229
Hamilton County (513) 803-6316

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 Defoor's NPI number?

The NPI number for William Defoor is 1811917420. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is William Defoor located?

William Defoor practices at 3333 Burnet Ave Ml 5037, Cincinnati, OH 45229. The listed phone number is (513) 636-4975.

What is William Defoor's specialty?

The primary specialty registered for this NPI is Urology, specializing in Pediatric Urology, with taxonomy code 2088P0231X.

Is William Defoor enrolled in Medicare?

Yes. William Defoor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for William Defoor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Defoor reassigns Medicare benefits to Children's Hospital Medical Center (Cincinnati, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Defoor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Defoor accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource and MedMutual list William Defoor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Defoor affiliated with any hospitals?

According to CMS data, William Defoor is affiliated with Cincinnati Children's Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for William Defoor was last updated on December 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.