Kaitlyn M. Ruffing, MD
Internal Medicine Physician · Millsboro, DE
Kaitlyn M. Ruffing, MD is an internal medicine physician with a practice address in Millsboro, Delaware, and NPI 1982280624, issued on Mar 23, 2021. Check the license (Delaware C1-0028232, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Kaitlyn M. Ruffing
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0028232 DE
Self-reported in NPPES; status is on the state search - Practice location
- 32050 Long Neck RD, Millsboro, DE 19966
- Phone
- (302) 645-3150
- Enumerated
- Mar 23, 2021
- Record last updated
- Sep 18, 2025
- Fax
- (833) 908-2232
- Medicare enrollment
- Enrolled (PECOS I20250730001249); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 32050 Long Neck RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jenna Dafgek, MDFamily Medicine Physician1740869635
- Heather Eremita, APRNNurse Practitioner1225554488
- Fiza Fatima, MDFamily Medicine Physician1376330217
Verify Kaitlyn M. Ruffing 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 C1-0028232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
53 Medicare Part D claims for 21 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Beebe Physician Network Inc.Lewes, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kaitlyn M. Ruffing among 600 internal medicine physician records in Delaware
Kaitlyn M. Ruffing, MD is one of 600 internal medicine physician records with a practice address in Delaware. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 80% of them.
- NPI issued2021 · 80% of these records are older, 15% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2021 · median 2008 among the 414 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Millsboro
They are 8 of the 341 NPPES records with a practice address in Millsboro, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Millsboro → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Semaan Abboud, M.D.Millsboro, DE 199661063477529
- Marisa Conti, DOMillsboro, DE 199661093717621
- Fadi Damouni, MDMillsboro, DE 199661245295260
- Rina Ghorpade, MDMillsboro, DE 199661760065411
- Kunwal Nasrullah, MDMillsboro, DE 199661386384014
- Stephen Walsh, M.D.Millsboro, DE 199661205060217
- Jean Ann Yaccino, D.O.Millsboro, DE 199661376514349
- Francis Merlo, DOMillville, DE 199671386606002
Common questions
What is Kaitlyn M. Ruffing, MD's NPI number?
Kaitlyn M. Ruffing, MD's National Provider Identifier (NPI) is 1982280624, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kaitlyn M. Ruffing, MD located?
The NPPES record lists a practice address at 32050 Long Neck RD, Millsboro, DE, 19966. Phone: (302) 645-3150. Providers update this record themselves, so call before visiting.
How can I verify Kaitlyn M. Ruffing, MD's license?
NPPES lists Delaware license number C1-0028232, 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 Kaitlyn M. Ruffing, MD prescribe under Medicare Part D?
In 2024, Kaitlyn M. Ruffing, MD had 53 Medicare Part D claims for 21 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.