David A. Simpson, MD
Family Medicine Physician · Wilmington, DE
David A. Simpson, MD is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1609851930, issued on Dec 9, 2005. Check the license (Delaware C10004561, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- David A. Simpson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C10004561 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1401 Foulk RD, Wilmington, DE 19803
- Phone
- (302) 477-3300
- Enumerated
- Dec 9, 2005
- Record last updated
- Apr 20, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 477-3168
- Medicare enrollment
- Enrolled (PECOS I20080506000469); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 1401 Foulk RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Bercaw, MDFamily Medicine Physician1205814241
- Heather Bittner-Fagan, MDFamily Medicine Physician1013995059
- Mary Lou Galantino, PTPhysical Therapist1689863003
- Michele GouldPhysical Therapist1851322374
- Alyssa Hancock, NPNurse Practitioner1487102646
- Deborah Hoffman, NPAdult Health Nurse Practitioner1043423049
Verify David A. Simpson 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 C10004561Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average family medicine physician in 2024
283 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Xarelto54 claims
- Hydrochlorothiazide53 claims
- Amlodipine Besylate51 claims
- Atenolol39 claims
- Simvastatin39 claims
- Mirtazapine23 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
- Christiana Care Health Services IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David A. Simpson among 518 family medicine physician records in Delaware
David A. Simpson, MD is one of 518 family medicine physician records with a practice address in Delaware. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2002 among the 323 with a school on file
- Record last updated2011 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
163 family medicine physician records list a practice address in Wilmington
They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Wilmington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Bercaw, MDWilmington, DE 198031205814241
- Heather Bittner-Fagan, MDWilmington, DE 198031013995059
- David Estock, M.D.Wilmington, DE 198031275533135
- Lawrence Markman, MDWilmington, DE 198031154313179
- Lisa Maxwell, MDWilmington, DE 198031316978786
- M Metzger, M.D.Wilmington, DE 198031275564957
- Matthew O'Brien, M.D.Wilmington, DE 198031417996935
- James Salva, M.D.Wilmington, DE 198031538104856
Common questions
What is David A. Simpson, MD's NPI number?
David A. Simpson, MD's National Provider Identifier (NPI) is 1609851930, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David A. Simpson, MD located?
The NPPES record lists a practice address at 1401 Foulk RD, Wilmington, DE, 19803. Phone: (302) 477-3300. Providers update this record themselves, so call before visiting.
How can I verify David A. Simpson, MD's license?
NPPES lists Delaware license number C10004561, 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 David A. Simpson, MD prescribe under Medicare Part D?
In 2024, David A. Simpson, MD had 283 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.