JOHN WESLEY DIDDLE MD
NPI 1265548994
Pediatrics - Pediatric Critical Care Medicine in Philadelphia, PA
About John Wesley Diddle Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN WESLEY DIDDLE MD (NPI 1265548994) is an individual pediatric critical care medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD448317) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Pittsburgh, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
John Wesley Diddle Md 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 John Diddle reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19104
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Childrens Anesthesiology Associates Ltd
- 216 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 clinicians in this Medicare group
Waldorf, MD 20603
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 2,618 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.
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.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
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 John Diddle's NPI number?
The NPI number for John Diddle is 1265548994. It was assigned to this individual provider in the NPPES registry on August 23, 2006.
Where is John Diddle located?
John Diddle practices at 3401 Civic Center Blvd, Philadelphia, PA 19104. The listed phone number is (215) 590-1858.
What is John Diddle's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is John Diddle enrolled in Medicare?
Yes. John Diddle 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 John Diddle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Diddle reassigns Medicare benefits to 3 organizations: Children's Anesthesiology Associates, Ltd (Philadelphia, PA), Children's Hospital (Washington, DC) and Inova Health Care Services (Waldorf, 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 John Diddle'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 John Diddle was last updated on March 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# John Wesley Diddle, MD · NPI 1265548994
Pediatric Critical Care Medicine physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 23, 2006.
## Identity
- **NPI:** 1265548994 (Entity type: Individual)
- **Enumerated:** August 23, 2006
- **Primary specialty:** Pediatrics - Pediatric Critical Care Medicine · taxonomy 2080P0203X
- **State license:** MD448317 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3401 CIVIC CENTER BLVD, Philadelphia, PA 19104-4319
- **Phone:** (215) 590-1858 · **Fax:** (215) 590-1415
## 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): Children's Anesthesiology Associates, Ltd (NPI 1215048491, Philadelphia, PA); Children's Hospital (NPI 1780800128, Washington, DC); Inova Health Care Services (NPI 1851829550, Waldorf, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 2005
## Record status
- **NPPES last updated:** March 6, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1265548994) · Data from the CMS NPPES public registry.