Katelyn Fritzges
Internal Medicine Physician · Wilmington, DE
Katelyn Fritzges is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1922428044, issued on Apr 16, 2014. Check the license (Delaware C1-0012594, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Katelyn Fritzges
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0012594 DE
Self-reported in NPPES; status is on the state search - Practice location
- 3506 Kennett Pike Ste 230, Wilmington, DE 19807
- Phone
- (302) 661-3400
- Enumerated
- Apr 16, 2014
- Record last updated
- Aug 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (302) 656-5611
- Medicare enrollment
- Enrolled (PECOS I20180719000902); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2014
- 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 3506 Kennett Pike Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mai LamInternal Medicine Physician1487394516
- Meaghan Roszyk, DOInternal Medicine Physician1851970933
- Kamron Salavitabar, DOFamily Medicine Physician1528646973
Verify Katelyn Fritzges 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 C1-0012594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average internal medicine physician in 2024
4,133 Medicare Part D claims for 443 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium268 claims
- Omeprazole182 claims
- Levothyroxine Sodium161 claims
- Amlodipine Besylate155 claims
- Losartan Potassium135 claims
- Rosuvastatin Calcium125 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
- Christiana Care Health Services IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katelyn Fritzges among 600 internal medicine physician records in Delaware
Katelyn Fritzges 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 2014, is newer than 58% of them.
- NPI issued2014 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2008 among the 414 with a school on file
- Record last updated2020 · 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).
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 600 in Delaware → Every provider in Wilmington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Allison Evans, M.D.Wilmington, DE 198071558635714
- Katelyn Gregory, DOWilmington, DE 198071265936975
- Mai LamWilmington, DE 198071487394516
- Timothy Langan, M.D.Greenville, DE 198071891771911
- Meaghan Roszyk, DOWilmington, DE 198071851970933
- Nicholas Sarlis, MDGreenville, DE 198071639978810
- Mart Amick, MDWilmington, DE 198081942209143
- Franklin Ampadu, M.D.Wilmington, DE 198081245236843
Common questions
What is Katelyn Fritzges's NPI number?
Katelyn Fritzges's National Provider Identifier (NPI) is 1922428044, issued on Apr 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Fritzges located?
The NPPES record lists a practice address at 3506 Kennett Pike Ste 230, Wilmington, DE, 19807. Phone: (302) 661-3400. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Fritzges's license?
NPPES lists Delaware license number C1-0012594, 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 Katelyn Fritzges prescribe under Medicare Part D?
In 2024, Katelyn Fritzges had 4,133 Medicare Part D claims for 443 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.