William Anthony Esper, DO
Cardiovascular Disease Physician · Erie, PA
William Anthony Esper, DO is a cardiovascular disease physician with a practice address in Erie, Pennsylvania, and NPI 1992744221, issued on Jun 5, 2006. Check the license (Pennsylvania OS004014L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William Anthony Esper
- Credential
- DO
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- OS004014L PA
Self-reported in NPPES; status is on the state search - Practice location
- 4002 Schaper Avenue, Erie, PA 16508
- Phone
- (814) 866-2311
- Enumerated
- Jun 5, 2006
- Record last updated
- Feb 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (814) 860-8111
- Medicaid ID
- 000874311001 PA
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,476 in Pennsylvania → Look up another NPI →
Also registered at 4002 Schaper Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Mikielski, DOCardiovascular Disease Physician1821036195
Verify William Anthony Esper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS004014LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
15 Medicare Part D claims, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
William Anthony Esper among 1,476 cardiovascular disease physician records in Pennsylvania
William Anthony Esper, DO is one of 1,476 cardiovascular disease physician records with a practice address in Pennsylvania. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Pennsylvania
There are 1,476 cardiovascular disease physician records in Pennsylvania.
All 1,476 in Pennsylvania → Every provider in Erie → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Kevin Mikielski, DOErie, PA 165081821036195
- Carmine D'Amico, DOErie, PA 165091801852884
- Paul Demjanenko, MDErie, PA 165071518961564
- Charles Furr, MDErie, PA 165071881698835
- Christopher GoodErie, PA 165071740452085
- Randy Jeffrey, M.D.Erie, PA 165071154641348
- Mohammad KarimErie, PA 165071871850537
- Erica Penny-PetersonErie, PA 165071790998326
Common questions
What is William Anthony Esper, DO's NPI number?
William Anthony Esper, DO's National Provider Identifier (NPI) is 1992744221, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Anthony Esper, DO located?
The NPPES record lists a practice address at 4002 Schaper Avenue, Erie, PA, 16508. Phone: (814) 866-2311. Providers update this record themselves, so call before visiting.
How can I verify William Anthony Esper, DO's license?
NPPES lists Pennsylvania license number OS004014L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Anthony Esper, DO prescribe under Medicare Part D?
In 2024, William Anthony Esper, DO had 15 Medicare Part D claims; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.