Cynthia Heldt, MD
Internal Medicine Physician · Wilmington, DE
Cynthia Heldt, MD is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1679550750, issued on Dec 29, 2005. Check the license (Delaware C10002599, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Cynthia Heldt
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C10002599 DE
Self-reported in NPPES; status is on the state search - Practice location
- 3301 Lancaster Pike, Wilmington, DE 19805
- Phone
- (302) 428-4569
- Enumerated
- Dec 29, 2005
- Record last updated
- Jun 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 656-5611
- Entity
- Type 1 · individual
Also registered at 3301 Lancaster Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Cardillo, PHARMDPharmacist1215121249
- Susan Cowdery, MDRheumatology Physician1336177666
- Sumera Desilva, PHARM DPharmacist1245511088
- Kirsten Hauer, MDInfectious Disease Physician1922100023
- Thomas Hilton, MDInternal Medicine Physician1912983339
- An NguyenPharmacist1780297333
Verify Cynthia Heldt 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 C10002599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,926 Medicare Part D claims for 212 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium211 claims
- Metoprolol Succinate86 claims
- Levothyroxine Sodium75 claims
- Omeprazole61 claims
- Amlodipine Besylate60 claims
- Hydrochlorothiazide50 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.
107 internal medicine physician records list a practice address in Wilmington
They are 107 of the 6,291 NPPES records with a practice address in Wilmington, and 600 internal medicine physician records in Delaware.
All 107 in Wilmington → All 600 in Delaware → Every provider in Wilmington →
Other internal medicine physician records in Delaware
- Raya Abbasi, M.DNewark, DE1205524154
- Semaan Abboud, M.D.Millsboro, DE1063477529
- Joseph Raphael Ablaza, M.D.Dover, DE1366892291
- Anastasia AbongnelahMilford, DE1275371312
- Aashish AcharyaDover, DE1912523424
- Ramesh Adabala, M.D.,Newark, DE1902898596
- Oluwaseun Adeniyi, MDLewes, DE1154906097
- Sonia Adnan, MDNewark, DE1790915593
- Fatima Afridi, M.D.Newark, DE1578712584
- Reynold Agard, M.D.Newark, DE1902811730
Common questions
What is Cynthia Heldt, MD's NPI number?
Cynthia Heldt, MD's National Provider Identifier (NPI) is 1679550750, issued on Dec 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Heldt, MD located?
The NPPES record lists a practice address at 3301 Lancaster Pike, Wilmington, DE, 19805. Phone: (302) 428-4569. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Heldt, MD's license?
NPPES lists Delaware license number C10002599, 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 Cynthia Heldt, MD prescribe under Medicare Part D?
In 2024, Cynthia Heldt, MD had 1,926 Medicare Part D claims for 212 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.