Matthew J. Koterwas, FNP
Family Nurse Practitioner · New Castle, DE
Matthew J. Koterwas, FNP is a family nurse practitioner with a practice address in New Castle, Delaware, and NPI 1376070854, issued on May 16, 2017. Check the license (Delaware LG-0001026, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew J. Koterwas
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- LG-0001026 DE
Self-reported in NPPES; status is on the state search - Practice location
- 239 Christiana RD, New Castle, DE 19720
- Phone
- (302) 327-7630
- Enumerated
- May 16, 2017
- Record last updated
- Oct 25, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (302) 327-7635
- Medicare enrollment
- Enrolled (PECOS I20170713000029); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 239 Christiana RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaclyn Barton, NPFamily Nurse Practitioner1366967523
- Sridevi Donepudi, M.D.Family Medicine Physician1629073606
- David Driban, MDFamily Medicine Physician1003892423
- Karen Ellis-Brisbon, MSN APRN FNP-BCNurse Practitioner1578073292
- Melissa Vanneerden, AGNP-CPrimary Care Nurse Practitioner1629520119
Verify Matthew J. Koterwas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Delaware board licenses this profession
Search for license LG-0001026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,344 Medicare Part D claims for 439 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 37 claims were for opioids.
Most prescribed
- Atorvastatin Calcium266 claims
- Amlodipine Besylate215 claims
- Lisinopril145 claims
- Hydrochlorothiazide118 claims
- Omeprazole112 claims
- Losartan Potassium106 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.
Industry payments in 2024: $13.57
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Christiana Care Health Services IncNew Castle, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
19 family nurse practitioner records list a practice address in New Castle
They are 19 of the 766 NPPES records with a practice address in New Castle, and 709 family nurse practitioner records in Delaware.
All 19 in New Castle → All 709 in Delaware → Every provider in New Castle →
Other family nurse practitioner records in Delaware
- Sara Abbo, CRNPNewark, DE1104223007
- Jessica Abbott, MSN FNP-BC, NP-CMilford, DE1467229542
- Jillian Abbott, FNP-CSelbyville, DE1114654472
- Shaakira AbdullahWilmington, DE1073028189
- Katherine Abernethy, NP-CNew Castle, DE1629477153
- Cecilia Aboagye, FNPHistoric New Castle, DE1023584430
- Cynthia Abrefa-KodomGeorgetown, DE1649975624
- Nanaawawu Adeoye, NPDover, DE1750804118
- Olufolake Adepoju, DNPNewark, DE1285298679
- Tara AgwuMiddletown, DE1689487043
Common questions
What is Matthew J. Koterwas, FNP's NPI number?
Matthew J. Koterwas, FNP's National Provider Identifier (NPI) is 1376070854, issued on May 16, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Matthew J. Koterwas, FNP located?
The NPPES record lists a practice address at 239 Christiana RD, New Castle, DE, 19720. Phone: (302) 327-7630. Providers update this record themselves, so call before visiting.
How can I verify Matthew J. Koterwas, FNP's license?
NPPES lists Delaware license number LG-0001026, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew J. Koterwas, FNP prescribe under Medicare Part D?
In 2024, Matthew J. Koterwas, FNP had 3,344 Medicare Part D claims for 439 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.