Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Katharine Theresa Ressler, PA-C
Gynecology Physician in Erie, PA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013486448
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Registry record
Entity type Individual (Type 1)
Name Katharine Theresa Ressler
Credential PA-C
Sex Female
Practice address 2500 W 12th St, Erie, PA, 16505
Phone (814) 836-2600
Enumeration date Nov 14, 2018
Last updated in NPPES Jan 26, 2022
Taxonomy & licenses
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 Katharine Ressler's NPI record?
Cross-check NPI 1013486448 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1013486448 active?
Yes, as of the latest NPPES snapshot, NPI 1013486448 is active (record last updated 2022-01-26).
Other providers at this practice address
Browse all → Holly Skala Physician Assistant · Erie, PA NPI 1790780245 Jan Rothman Medical Oncology Physician · Erie, PA NPI 1639176027 The Regional Cancer Center Medical Oncology Physician · Erie, PA NPI 1336147990 Kevin Fisher Radiation Oncology Physician · Erie, PA NPI 1073505244 Pesara Reddy Radiation Oncology Physician · Erie, PA NPI 1548233190 James Ohr Hematology & Oncology Physician · Erie, PA NPI 1306860085 Susan Roche Nurse Practitioner · Erie, PA NPI 1629117197 Cyrus Khan Hematology & Oncology Physician · Erie, PA NPI 1558576660
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-01-26.