Mark A. Sordi, MD
Family Medicine Physician · Lewes, DE
Mark A. Sordi, MD is a family medicine physician with a practice address in Lewes, Delaware, and NPI 1083617047, issued on May 24, 2005. Check the license (Delaware C10006216, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Mark A. Sordi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C10006216 DE
Self-reported in NPPES; status is on the state search - Practice location
- 20251 John J Williams Hwy, Lewes, DE 19958
- Phone
- (302) 644-6860
- Enumerated
- May 24, 2005
- Record last updated
- Jan 26, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (302) 644-6872
- Medicaid ID
- 0001102701 DE
- Medicare enrollment
- Enrolled (PECOS I20040123000206); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1998
- 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 20251 John J Williams Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heather BollingerTechnician1184096638
- Shannon BonaventureLicensed Practical Nurse1811369457
- Brian Caswell-Monack, D.O.Family Medicine Physician1164733291
- Catherine Deluca, MDFamily Medicine Physician1548265580
- Carmelo Disalvo, M.D.Family Medicine Physician1902078074
- Linda Golding, PA-CPhysician Assistant1659569820
Verify Mark A. Sordi 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 C10006216Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average family medicine physician in 2024
4,082 Medicare Part D claims for 251 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.
Most prescribed
- Rosuvastatin Calcium352 claims
- Levothyroxine Sodium247 claims
- Atorvastatin Calcium224 claims
- Amlodipine Besylate143 claims
- Omeprazole123 claims
- Valsartan101 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
- Mid-Atlantic Family PracticeLewes, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Sordi among 518 family medicine physician records in Delaware
Mark A. Sordi, 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
- Graduated1998 · median 2002 among the 323 with a school on file
- Record last updated2017 · 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).
26 family medicine physician records list a practice address in Lewes
They are 26 of the 1,696 NPPES records with a practice address in Lewes, and 518 family medicine physician records in Delaware.
All 518 in Delaware → Every provider in Lewes → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Brian Caswell-Monack, D.O.Lewes, DE 199581164733291
- Christine Degnon, MDLewes, DE 199581033129499
- Catherine Deluca, MDLewes, DE 199581548265580
- Carmelo Disalvo, M.D.Lewes, DE 199581902078074
- Jerome Groll, MDLewes, DE 199581891788519
- John Hale, MDLewes, DE 199581417954009
- Jeffrey Heckert, MDLewes, DE 199581386649390
- Erin Lavin, D.O.Lewes, DE 199581912115429
Common questions
What is Mark A. Sordi, MD's NPI number?
Mark A. Sordi, MD's National Provider Identifier (NPI) is 1083617047, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Sordi, MD located?
The NPPES record lists a practice address at 20251 John J Williams Hwy, Lewes, DE, 19958. Phone: (302) 644-6860. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Sordi, MD's license?
NPPES lists Delaware license number C10006216, 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 Mark A. Sordi, MD prescribe under Medicare Part D?
In 2024, Mark A. Sordi, MD had 4,082 Medicare Part D claims for 251 beneficiaries; 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.