DR. WILLIAM EDWARD SCHAAF JR. M.D.
NPI 1003074352
Radiology - Pediatric Radiology in Saint Petersburg, FL
About Dr. William Edward Schaaf Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM EDWARD SCHAAF JR. M.D. (NPI 1003074352) is an individual pediatric radiology provider in Saint Petersburg, Florida, licensed in Florida (ME104296) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins All Children's Hospital, and is a graduate of Drexel University College Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. William Edward Schaaf Jr. 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.
Medicare Billing Reassignments
3Medicare enrollment records show William Schaaf reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
St Petersburg, FL 33701
- Reassigned Medicare billing, Florida enrollment
- 360 clinicians in this Medicare group
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21205
- Reassigned Medicare billing, Florida enrollment
- 6 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins All Children's Hospital
Childrens · Saint Petersburg, FLOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ST PETERSBURG, FL 33701
SAINT PETERSBURG, FL 33701
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 Schaaf's NPI number?
The NPI number for William Schaaf is 1003074352. It was assigned to this individual provider in the NPPES registry on May 22, 2008.
Where is William Schaaf located?
William Schaaf practices at 501 6th Ave S Department Of Radiology, Saint Petersburg, FL 33701. The listed phone number is (727) 767-3318.
What is William Schaaf's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.
Is William Schaaf enrolled in Medicare?
Yes. William Schaaf 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 organizations bill Medicare for William Schaaf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Schaaf reassigns Medicare benefits to 3 organizations: Pediatric Physician Services, Inc. (St Petersburg, FL), Johns Hopkins University (Bethesda, MD) and Johns Hopkins University (Baltimore, MD). 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 Schaaf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Schaaf affiliated with any hospitals?
According to CMS data, William Schaaf is affiliated with Johns Hopkins All Children's Hospital.
When was this NPI record last updated?
The NPPES record for William Schaaf was last updated on August 6, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. William Edward Schaaf Jr., M.D. · NPI 1003074352
Pediatric Radiology physician in Saint Petersburg, Florida. Individual provider, active in the CMS NPPES registry since May 22, 2008.
## Identity
- **NPI:** 1003074352 (Entity type: Individual)
- **Enumerated:** May 22, 2008
- **Primary specialty:** Radiology - Pediatric Radiology · taxonomy 2085P0229X
- **State license:** ME104296 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 501 6TH AVE S, DEPARTMENT OF RADIOLOGY, Saint Petersburg, FL 33701-4634
- **Phone:** (727) 767-3318
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Pediatric Physician Services, Inc. (NPI 1770532798, St Petersburg, FL); Johns Hopkins University (NPI 1578569240, Bethesda, MD); Johns Hopkins University (NPI 1093796609, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Drexel University College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** August 6, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1003074352) · Data from the CMS NPPES public registry.