William Esper, DO
NPI 1992744221 · Cardiovascular Disease Physician · Erie, PA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Esper, DO is a Cardiovascular Disease Physician provider in Erie, PA (NPI 1992744221).
Provider details
- NPI number
- 1992744221
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OS004014L (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
20 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
- 2006-06-05
- Last updated
- 2010-02-04
Frequently asked questions
- What is William Esper's NPI number?
- William Esper's National Provider Identifier (NPI) is 1992744221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Esper's specialty?
- William Esper is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Esper located?
- William Esper's practice location on file with NPPES is 4002 Schaper Avenue, Erie, PA 16508.
- What is William Esper's phone number?
- The practice phone number listed in the NPPES registry for William Esper is (814) 866-2311.
- Does William Esper accept Medicare?
- William Esper is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Esper's NPI active?
- Yes — William Esper's NPI (1992744221) is active in the NPPES registry as of the last update on 2010-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.