Gregory W. Kirwan, DO
Orthopaedic Surgery Physician · Egg Harbor Twp, NJ
Gregory W. Kirwan, DO is an orthopaedic surgery physician with a practice address in Egg Harbor Twp, New Jersey, and NPI 1932373818, issued on Apr 22, 2008. Check the license (New Jersey 25MB12567400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory W. Kirwan
- Credential
- DO
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- 25MB12567400 NJ
OS014832 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 English Creek Ave, Egg Harbor Twp, NJ 08234
- Phone
- (800) 321-9999
- Enumerated
- Apr 22, 2008
- Record last updated
- Mar 18, 2026
- Fax
- (267) 479-1321
- Medicare enrollment
- Enrolled (PECOS I20250326001488); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2007
- Entity
- Type 1 · individual
Also registered at 2500 English Creek Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas CoiaPhysician Assistant1174298202
- Lisa Franklin, LCSWClinical Social Worker1417281304
- James Frost, MDSurgery Physician1235120981
- Nathan Morell, LCSWSocial Worker1548491616
- Denise Nachodsky, MDCardiovascular Disease Physician1326086026
- Alexander Onopchenko, MDSurgery Physician1649296732
Verify Gregory W. Kirwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MB12567400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
111 Medicare Part D claims for 71 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Oxycodone Hcl20 claims
- Meloxicam16 claims
- Cephalexin11 claims
- Methylprednisolone11 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.
Industry payments in 2024: $1,809.80
25 payments; by number, the most common kind was food and beverage; the largest payer was Arthrex, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Rothman Orthopaedics OF New Jersey, LLCEgg Harbor Township, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 orthopaedic surgery physician records list a practice address in Egg Harbor Twp
They are 3 of the 106 NPPES records with a practice address in Egg Harbor Twp, and 690 orthopaedic surgery physician records in New Jersey.
All 3 in Egg Harbor Twp → All 690 in New Jersey → Every provider in Egg Harbor Twp →
Other orthopaedic surgery physician records in New Jersey
- Mina Abdelshahed, MDLinden, NJ1447577457
- John Abraham, MDPennington, NJ1871578351
- Jeffrey Abrams, MDPrinceton, NJ1386658011
- Anel Abreu, D.O., M.S.Stratford, NJ1982728960
- David Abrutyn, M.D.Bridgewater, NJ1679534903
- Stephanie Adam, DOFlorham Park, NJ1447459292
- Irfan Ahmed, M.D.Newark, NJ1700022043
- Munir Ahmed, M.D.Toms River, NJ1639267875
- Daren Aita, M.D.Mercerville, NJ1154327146
- Ali Al-Omari, MDEast Orange, NJ1316236383
Common questions
What is Gregory W. Kirwan, DO's NPI number?
Gregory W. Kirwan, DO's National Provider Identifier (NPI) is 1932373818, issued on Apr 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory W. Kirwan, DO located?
The NPPES record lists a practice address at 2500 English Creek Ave, Egg Harbor Twp, NJ, 08234. Phone: (800) 321-9999. Providers update this record themselves, so call before visiting.
How can I verify Gregory W. Kirwan, DO's license?
NPPES lists New Jersey license number 25MB12567400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory W. Kirwan, DO prescribe under Medicare Part D?
In 2024, Gregory W. Kirwan, DO had 111 Medicare Part D claims for 71 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.