John Diddle, MD
NPI 1265548994 · Pediatric Critical Care Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Diddle, MD is a Pediatric Critical Care Medicine Physician provider in Philadelphia, PA (NPI 1265548994).
Provider details
- NPI number
- 1265548994
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ML20008453 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 4401 Penn AveSuite 02000 Faculty Pavilion, Children'S Hospital of PiPittsburgh, PA 15224-1334Phone: (412) 692-5325
Registry dates
- Enumerated
- 2006-08-23
- Last updated
- 2024-03-06
- Certified
- 2024-03-06
Frequently asked questions
- What is John Diddle's NPI number?
- John Diddle's National Provider Identifier (NPI) is 1265548994, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Diddle's specialty?
- John Diddle is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Diddle located?
- John Diddle's practice location on file with NPPES is 3401 Civic Center Blvd, Philadelphia, PA 19104-4319.
- What is John Diddle's phone number?
- The practice phone number listed in the NPPES registry for John Diddle is (215) 590-1858.
- Does John Diddle accept Medicare?
- John Diddle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Diddle's NPI active?
- Yes — John Diddle's NPI (1265548994) is active in the NPPES registry as of the last update on 2024-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.