DR. WILLIAM BEAUREGARD MITCHELL M.D.
NPI 1376512533
Pediatrics - Pediatric Hematology-Oncology in Memphis, TN
About Dr. William Beauregard Mitchell M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM BEAUREGARD MITCHELL M.D. (NPI 1376512533) is an individual pediatric hematology-oncology provider in Memphis, Tennessee, licensed in Tennessee (74259) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William Beauregard Mitchell M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show William Mitchell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Memphis, TN 38105
- Reassigned Medicare billing, Tennessee enrollment
- Medicare enrollment name: St Jude Childrens Research Hospital Inc
- 367 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
MEMPHIS, TN 38105
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 Mitchell's NPI number?
The NPI number for William Mitchell is 1376512533. It was assigned to this individual provider in the NPPES registry on March 17, 2006. The provider is also known as Dr. W Beau Mitchell M.D..
Where is William Mitchell located?
William Mitchell practices at 262 Danny Thomas Pl, Memphis, TN 38105. The listed phone number is (901) 595-3300.
What is William Mitchell's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is William Mitchell enrolled in Medicare?
Yes. William Mitchell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Mitchell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Mitchell reassigns Medicare benefits to 2 organizations: St Jude Children's Research Hospital, Inc. (Memphis, TN) and Montefiore Medical Center (New York, NY). Each 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 Mitchell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Mitchell was last updated on August 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Dr. William Beauregard Mitchell, M.D. · NPI 1376512533
Pediatric Hematology-Oncology physician in Memphis, Tennessee. Individual provider, active in the CMS NPPES registry since March 17, 2006.
## Identity
- **NPI:** 1376512533 (Entity type: Individual)
- **Enumerated:** March 17, 2006
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** 74259 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 262 DANNY THOMAS PL, Memphis, TN 38105-3678
- **Phone:** (901) 595-3300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): St Jude Children's Research Hospital, Inc. (NPI 1306335088, Memphis, TN); Montefiore Medical Center (NPI 1760288278, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1376512533) · Data from the CMS NPPES public registry.