Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. John A. Losurdo, D.O
Surgery Physician in York, PA · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770859316
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Registry record
Entity type Individual (Type 1)
Name Dr. John A. Losurdo
Credential D.O
Sex Male
Practice address 325 S Belmont St, York, PA, 17403
Phone (302) 359-5456
Enumeration date Mar 28, 2012
Last updated in NPPES Oct 3, 2019
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD.
About the DO credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
How do I verify John Losurdo's NPI record?
Cross-check NPI 1770859316 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1770859316 active?
Yes, as of the latest NPPES snapshot, NPI 1770859316 is active (record last updated 2019-10-03).
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-10-03.