William Kasper
NPI 1023570843 · Diagnostic Radiology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kasper is a Diagnostic Radiology Physician provider in Philadelphia, PA (NPI 1023570843).
Provider details
- NPI number
- 1023570843
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- MD489964 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2019-04-01
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is William Kasper's NPI number?
- William Kasper's National Provider Identifier (NPI) is 1023570843, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kasper's specialty?
- William Kasper is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Kasper located?
- William Kasper's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is William Kasper's phone number?
- The practice phone number listed in the NPPES registry for William Kasper is (215) 707-7237.
- Does William Kasper accept Medicare?
- William Kasper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kasper's NPI active?
- Yes — William Kasper's NPI (1023570843) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.