Katharine Theresa Ressler, PA-C
Gynecology Physician · Erie, PA
Katharine Theresa Ressler, PA-C is a gynecology physician with a practice address in Erie, Pennsylvania, and NPI 1013486448, issued on Nov 14, 2018. Check the license (Pennsylvania MA060328, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Katharine Theresa Ressler
- Credential
- PA-C
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License numbers
- MA060328 PA
PA.0009930 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2500 W 12TH St, Erie, PA 16505
- Phone
- (814) 836-2600
- Enumerated
- Nov 14, 2018
- Record last updated
- Jul 22, 2026
- Medicare enrollment
- Enrolled (PECOS I20190821001022); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 169 in Pennsylvania → Look up another NPI →
Also registered at 2500 W 12TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cyrus Khan, M.D.Hematology & Oncology Physician1558576660
- Nicole Lang, CRNPNurse Practitioner1609310374
- Susan Marshall-Erven, CRNPNurse Practitioner1720530710
- James Ohr, D.O.Hematology & Oncology Physician1306860085
Verify Katharine Theresa Ressler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MA060328Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average gynecology physician in 2024
135 Medicare Part D claims for 63 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone21 claims
- Anastrozole15 claims
- Letrozole15 claims
- Diphenoxylate-Atropine11 claims
- Tamoxifen Citrate11 claims
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.
Bills Medicare through one group practice
- Oncology Hematology Association IncErie, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katharine Theresa Ressler among 169 gynecology physician records in Pennsylvania
Katharine Theresa Ressler, PA-C is one of 169 gynecology physician records with a practice address in Pennsylvania. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 96% of them.
- NPI issued2018 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2018 · median 1997 among the 56 with a school on file
- Record last updated2026 · 80% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Pennsylvania
There are 169 gynecology physician records in Pennsylvania.
All 169 in Pennsylvania → Every provider in Erie → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Gary Ritten, MDErie, PA 165041437211307
- William Steinbrink, M.D.Erie, PA 165061316340052
- David Doupe, M.D.North East, PA 164281831198589
- Kristine Charles, M.D.State College, PA 168031962477786
- Christine Nagy, M.D.New Castle, PA 161011609177195
- James Byers, MDButler, PA 160011972815082
- Marydonna RavasioButler, PA 160011255414249
- David Evans, MDCarlisle, PA 170131649254889
Common questions
What is Katharine Theresa Ressler, PA-C's NPI number?
Katharine Theresa Ressler, PA-C's National Provider Identifier (NPI) is 1013486448, issued on Nov 14, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Katharine Theresa Ressler, PA-C located?
The NPPES record lists a practice address at 2500 W 12TH St, Erie, PA, 16505. Phone: (814) 836-2600. Providers update this record themselves, so call before visiting.
How can I verify Katharine Theresa Ressler, PA-C's license?
NPPES lists Pennsylvania license number MA060328, 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 Katharine Theresa Ressler, PA-C prescribe under Medicare Part D?
In 2024, Katharine Theresa Ressler, PA-C had 135 Medicare Part D claims for 63 beneficiaries; the average among gynecology physician prescribers was 299. 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.