NPPES file of Aug 9, 2026

Kathryn Y. Groner

Emergency Medicine Physician · Newark, DE

Kathryn Y. Groner is an emergency medicine physician with a practice address in Newark, Delaware, and NPI 1346560687, issued on Jun 9, 2010. Check the license (Delaware C10010331, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346560687
Name
Kathryn Y. Groner
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
C10010331 DE
Self-reported in NPPES; status is on the state search
Practice location
4755 Ogletown Stanton RD, Newark, DE 19718
Phone
(302) 733-1042
Enumerated
Jun 9, 2010
Record last updated
Jul 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130716000038); accepts Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4755 Ogletown Stanton RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paolo Abiad, M.D.Student in an Organized Health Care Education/Training Program1376487736
  2. Jessica AddisStudent in an Organized Health Care Education/Training Program1043950389
  3. Mary Adebanjo, RNMedical-Surgical Registered Nurse1972342681
  4. Gounathan Adly, PHARMDStudent in an Organized Health Care Education/Training Program1215357082
  5. Inongo Agbormbai, DOStudent in an Organized Health Care Education/Training Program1497515654
  6. Mansoor Ahmad, MDInterventional Cardiology Physician1184014102

Verify Kathryn Y. Groner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C10010331
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Delaware license search

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86% fewer Medicare Part D claims than the average emergency medicine physician in 2024

31 Medicare Part D claims for 21 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Kathryn Groner31
  2. Specialty average226

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

  1. Christiana Care Health Services IncNewark, DE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kathryn Y. Groner among 243 emergency medicine physician records in Delaware

Kathryn Y. Groner is one of 243 emergency medicine physician records with a practice address in Delaware. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 51% of them.

  • NPI issued2010 · 51% of these records are older, 47% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2010 · median 2010 among the 123 with a school on file
  • Record last updated2021 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

142 emergency medicine physician records list a practice address in Newark

They are 142 of the 4,662 NPPES records with a practice address in Newark, and 243 emergency medicine physician records in Delaware.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Paul Anderson, MDNewark, DE 197181003894817
  2. Brian Burgess, MDNewark, DE 197181013995828
  3. Leo Burns, MDNewark, DE 197181083692792
  4. Cory Carpenter, MDNewark, DE 197181285612093
  5. James Carroll, MDNewark, DE 197181295713006
  6. Angelo Grillo, MDNewark, DE 197181891773602
  7. Anita Hodson, MDNewark, DE 197181194703900
  8. Steven Kushner, MDNewark, DE 197181306824107

Common questions

What is Kathryn Y. Groner's NPI number?

Kathryn Y. Groner's National Provider Identifier (NPI) is 1346560687, issued on Jun 9, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Kathryn Y. Groner located?

The NPPES record lists a practice address at 4755 Ogletown Stanton RD, Newark, DE, 19718. Phone: (302) 733-1042. Providers update this record themselves, so call before visiting.

How can I verify Kathryn Y. Groner's license?

NPPES lists Delaware license number C10010331, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kathryn Y. Groner prescribe under Medicare Part D?

In 2024, Kathryn Y. Groner had 31 Medicare Part D claims for 21 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.