NPPES file of Aug 9, 2026

Gregory K. Wanner, DO, PA-C

Emergency Medicine Physician · Newark, DE

Gregory K. Wanner, DO, PA-C is an emergency medicine physician with a practice address in Newark, Delaware, and NPI 1689609661, issued on Jul 11, 2006. Check the license (Delaware C2-0011617, 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
1689609661
Name
Gregory K. Wanner
Credential
DO, PA-C
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
C2-0011617 DE
25MP00150600 NJ
OT015368 PA
Self-reported in NPPES; status is on the state search
Practice location
4755 Ogletown Stanton RD, Newark, DE 19718
Phone
(302) 733-1840
Enumerated
Jul 11, 2006
Record last updated
Oct 19, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160603000172); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 2013
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 Gregory K. Wanner 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 C2-0011617
    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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79% fewer Medicare Part D claims than the average emergency medicine physician in 2024

47 Medicare Part D claims for 36 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Gregory Wanner47
  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).

Gregory K. Wanner among 243 emergency medicine physician records in Delaware

Gregory K. Wanner, DO, PA-C 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 2006, is newer than under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 65% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2013 · median 2010 among the 123 with a school on file
  • Record last updated2018 · 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 Gregory K. Wanner, DO, PA-C's NPI number?

Gregory K. Wanner, DO, PA-C's National Provider Identifier (NPI) is 1689609661, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory K. Wanner, DO, PA-C located?

The NPPES record lists a practice address at 4755 Ogletown Stanton RD, Newark, DE, 19718. Phone: (302) 733-1840. Providers update this record themselves, so call before visiting.

How can I verify Gregory K. Wanner, DO, PA-C's license?

NPPES lists Delaware license number C2-0011617, 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 Gregory K. Wanner, DO, PA-C prescribe under Medicare Part D?

In 2024, Gregory K. Wanner, DO, PA-C had 47 Medicare Part D claims for 36 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.