Ivana Clarissa Deyl, MD
Gastroenterology Physician · Milford, DE
Ivana Clarissa Deyl, MD is a gastroenterology physician with a practice address in Milford, Delaware, and NPI 1356838288, issued on Apr 17, 2018. Check the license (Delaware C1-0026544, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Ivana Clarissa Deyl
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- C1-0026544 DE
Self-reported in NPPES; status is on the state search - Practice location
- 100 Wellness Way, Milford, DE 19963
- Phone
- (302) 393-5006
- Enumerated
- Apr 17, 2018
- Record last updated
- Oct 28, 2024
- Fax
- (302) 422-3074
- Medicare enrollment
- Enrolled (PECOS I20240719000989); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 47 in Delaware → Look up another NPI →
Also registered at 100 Wellness Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Argo, PAPhysician Assistant1548154594
- Mohammad Arsalan, M.DHospitalist Physician1063965630
- Emmanuel AsarePharmacist1255113320
- Immad Attique, MDInternal Medicine Physician1780246728
- Anupam Baral, MDInternal Medicine Physician1679102123
- Andrea Bishop, PA-CPhysician Assistant1861048274
Verify Ivana Clarissa Deyl 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 C1-0026544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average gastroenterology physician in 2024
302 Medicare Part D claims for 168 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf72 claims
- Pantoprazole Sodium47 claims
- Omeprazole21 claims
- Linzess17 claims
- Xifaxan11 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
- Bayhealth Medical Center, IncMilford, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ivana Clarissa Deyl among 47 gastroenterology physician records in Delaware
Ivana Clarissa Deyl, MD is one of 47 gastroenterology physician records with a practice address in Delaware. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 87% of them.
- NPI issued2018 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2018 · median 2004 among the 34 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Delaware
There are 47 gastroenterology physician records in Delaware.
All 47 in Delaware → Every provider in Milford → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Raghu Dharmavaram Kottam, M.DMilford, DE 199631265606321
- Vennisvasanth Lourdusamy, M.D.Milford, DE 199631871973529
- Sujay AlvencarLewes, DE 199581508429473
- Harry Anagnostakos, DOLewes, DE 199581124036017
- Geoffrey Braden, M.D.Lewes, DE 199581275597809
- Richard Caruso, MDLewes, DE 199581548252265
- Scott Clark, MDLewes, DE 199581538119979
- Robert Deckmann, MDLewes, DE 199581114935004
Common questions
What is Ivana Clarissa Deyl, MD's NPI number?
Ivana Clarissa Deyl, MD's National Provider Identifier (NPI) is 1356838288, issued on Apr 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ivana Clarissa Deyl, MD located?
The NPPES record lists a practice address at 100 Wellness Way, Milford, DE, 19963. Phone: (302) 393-5006. Providers update this record themselves, so call before visiting.
How can I verify Ivana Clarissa Deyl, MD's license?
NPPES lists Delaware license number C1-0026544, 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 Ivana Clarissa Deyl, MD prescribe under Medicare Part D?
In 2024, Ivana Clarissa Deyl, MD had 302 Medicare Part D claims for 168 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.