Neil Gaskill, DO
Internal Medicine Physician · Lewes, DE
Neil Gaskill, DO is an internal medicine physician with a practice address in Lewes, Delaware, and NPI 1336534700, issued on Apr 2, 2015. Check the license (Delaware C2-0013458, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Neil Gaskill
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C2-0013458 DE
Self-reported in NPPES; status is on the state search - Practice location
- 424 Savannah RD, Lewes, DE 19958
- Phone
- (302) 645-3525
- Enumerated
- Apr 2, 2015
- Record last updated
- Jun 4, 2025
- Fax
- (302) 645-3513
- Medicare enrollment
- Enrolled (PECOS I20200505000525); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 424 Savannah RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda AbbottRegistered Nurse1356731657
- Mary Abercrombie, RNRegistered Nurse1972035301
- Lorie Vic Acacio-Nolasco, R.N.Registered Nurse1891184685
- Kathleen AdamsRegistered Nurse1477941243
- Renee Adams, RNRegistered Nurse1881246940
- Oluwaseun Adeniyi, MDInternal Medicine Physician1154906097
Verify Neil Gaskill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C2-0013458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
560 Medicare Part D claims for 243 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone39 claims
- Amlodipine Besylate27 claims
- Atorvastatin Calcium25 claims
- Pantoprazole Sodium25 claims
- Amoxicillin-Clavulanate Potass22 claims
- Metoprolol Succinate20 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 3 group practices
- Beebe Physician Network Inc.Lewes, DE
- First Docs PCDover, DE
- Gdg Square, LLCGeorgetown, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neil Gaskill among 600 internal medicine physician records in Delaware
Neil Gaskill, DO is one of 600 internal 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 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2015 · median 2008 among the 414 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 internal medicine physician records list a practice address in Lewes
They are 43 of the 1,696 NPPES records with a practice address in Lewes, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Lewes → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anthony Buonanno, M.D.Lewes, DE 199581609873413
- Linda Choy, M.D.Lewes, DE 199581437104817
- Julie Holmon, M.D.Lewes, DE 199581871580696
- Zeina Jeha, MDLewes, DE 199581669473641
- Afshin Khams, MDLewes, DE 199581669440194
- Imtiaz Khokhar, M.D.Lewes, DE 199581629075387
- Bhaskar Palekar, M.D.Lewes, DE 199581750329322
- Gary Raffel, D.O.Lewes, DE 199581396747432
Common questions
What is Neil Gaskill, DO's NPI number?
Neil Gaskill, DO's National Provider Identifier (NPI) is 1336534700, issued on Apr 2, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Neil Gaskill, DO located?
The NPPES record lists a practice address at 424 Savannah RD, Lewes, DE, 19958. Phone: (302) 645-3525. Providers update this record themselves, so call before visiting.
How can I verify Neil Gaskill, DO's license?
NPPES lists Delaware license number C2-0013458, 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 Neil Gaskill, DO prescribe under Medicare Part D?
In 2024, Neil Gaskill, DO had 560 Medicare Part D claims for 243 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.