David Stephen Estock, M.D.
Family Medicine Physician · Wilmington, DE
David Stephen Estock, M.D. is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1275533135, issued on Jul 21, 2005. Check the license (Delaware C1-0003216, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- David Stephen Estock
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C1-0003216 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1403 Foulk RD, Wilmington, DE 19803
- Phone
- (302) 479-0100
- Enumerated
- Jul 21, 2005
- Record last updated
- Mar 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (302) 479-0177
- Medicaid ID
- 0000157501 DE
- Medicare enrollment
- Enrolled (PECOS I20070718000721); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 518 in Delaware → Look up another NPI →
Also registered at 1403 Foulk RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yong Kim, M.D.Physical Medicine & Rehabilitation Physician1679510994
Verify David Stephen Estock 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 C1-0003216Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% more Medicare Part D claims than the average family medicine physician in 2024
6,542 Medicare Part D claims for 462 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 178 claims were for opioids.
Most prescribed
- Atorvastatin Calcium467 claims
- Levothyroxine Sodium235 claims
- Amlodipine Besylate221 claims
- Losartan Potassium199 claims
- Omeprazole194 claims
- Alendronate Sodium147 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.83
1 payment: food and beverage; the largest payer was Sanofi Pasteur Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
David Stephen Estock among 518 family medicine physician records in Delaware
David Stephen Estock, M.D. 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
- Graduated1982 · median 2002 among the 323 with a school on file
- Record last updated2008 · 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
- 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
- Cathryn Savoca, MDWilmington, DE 198031528033727
Common questions
What is David Stephen Estock, M.D.'s NPI number?
David Stephen Estock, M.D.'s National Provider Identifier (NPI) is 1275533135, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Stephen Estock, M.D. located?
The NPPES record lists a practice address at 1403 Foulk RD, Wilmington, DE, 19803. Phone: (302) 479-0100. Providers update this record themselves, so call before visiting.
How can I verify David Stephen Estock, M.D.'s license?
NPPES lists Delaware license number C1-0003216, 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 Stephen Estock, M.D. prescribe under Medicare Part D?
In 2024, David Stephen Estock, M.D. had 6,542 Medicare Part D claims for 462 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is David Stephen Estock, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.