Karyl T. Rattay, MD
Pediatrics Physician · Dover, DE
Karyl T. Rattay, MD is a pediatrics physician with a practice address in Dover, Delaware, and NPI 1124216585, issued on Oct 11, 2007. Check the license (Delaware C10007731, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Karyl T. Rattay
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- C10007731 DE
Self-reported in NPPES; status is on the state search - Practice location
- 417 Federal St, Dover, DE 19901
- Phone
- (302) 744-4818
- Enumerated
- Oct 11, 2007
- Record last updated
- Nov 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (302) 739-6659
- Medicaid IDs
- 0151718 NJ
4140354 MD - Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 290 in Delaware → Look up another NPI →
Also registered at 417 Federal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mildred Pagan-Perez, DMDDentist1285611897
Verify Karyl T. Rattay 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 C10007731Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average pediatrics physician in 2024
54 Medicare Part D claims for 54 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
Most prescribed
- Naloxone Hcl54 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.
Karyl T. Rattay among 290 pediatrics physician records in Delaware
Karyl T. Rattay, MD is one of 290 pediatrics physician records with a practice address in Delaware. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 36% of them.
- NPI issued2007 · 36% of these records are older, 53% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Delaware
There are 290 pediatrics physician records in Delaware.
All 290 in Delaware → Every provider in Dover → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Niharikha Arram, MDDover, DE 199011063193472
- Osama Hussein, MDDover, DE 199011073596375
- Kokila Jeyamurugan, MDDover, DE 199011790348423
- Janaki Kaza, MDDover, DE 199011801961701
- Charizza Sales, MDDover, DE 199011891987509
- Richa Sharma, MDDover, DE 199011710291562
- Ashley Adams, MDDover Afb, DE 199021023307865
- Aaron Brady, M.D.Dover Afb, DE 199021992010573
Common questions
What is Karyl T. Rattay, MD's NPI number?
Karyl T. Rattay, MD's National Provider Identifier (NPI) is 1124216585, issued on Oct 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karyl T. Rattay, MD located?
The NPPES record lists a practice address at 417 Federal St, Dover, DE, 19901. Phone: (302) 744-4818. Providers update this record themselves, so call before visiting.
How can I verify Karyl T. Rattay, MD's license?
NPPES lists Delaware license number C10007731, 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 Karyl T. Rattay, MD prescribe under Medicare Part D?
In 2024, Karyl T. Rattay, MD had 54 Medicare Part D claims for 54 beneficiaries; the average among pediatrics physician prescribers was 375. 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.