William Dufficy, MD (EXPECTED 5/2018)
NPI 1033615984 · Pediatrics Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Dufficy, MD (EXPECTED 5/2018) is a Pediatrics Physician provider in Cleveland, OH (NPI 1033615984).
Provider details
- NPI number
- 1033615984
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD (EXPECTED 5/2018)
- Sex
- Male
- Sole proprietor
- No
- License
- A180816 (CA)
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
8 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
- 2018-03-31
- Last updated
- 2024-05-09
- Certified
- 2024-05-09
Frequently asked questions
- What is William Dufficy's NPI number?
- William Dufficy's National Provider Identifier (NPI) is 1033615984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Dufficy's specialty?
- William Dufficy is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is William Dufficy located?
- William Dufficy's practice location on file with NPPES is 11100 Euclid Ave, Cleveland, OH 44106-1716.
- What is William Dufficy's phone number?
- The practice phone number listed in the NPPES registry for William Dufficy is (216) 844-3641.
- Does William Dufficy accept Medicare?
- William Dufficy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Dufficy's NPI active?
- Yes — William Dufficy's NPI (1033615984) is active in the NPPES registry as of the last update on 2024-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.