Katherine Mary Abernethy, NP-C
Family Nurse Practitioner · New Castle, DE
Katherine Mary Abernethy, NP-C is a family nurse practitioner with a practice address in New Castle, Delaware, and NPI 1629477153, issued on Aug 20, 2014. Check the license (Delaware LG-0000770, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Mary Abernethy
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- LG-0000770 DE
Self-reported in NPPES; status is on the state search - Practice location
- 12 Reads Way Ste 2000, New Castle, DE 19720
- Phone
- (302) 652-8990
- Enumerated
- Aug 20, 2014
- Record last updated
- Feb 27, 2026
- Fax
- (302) 652-8646
- Medicare enrollment
- Enrolled (PECOS I20140916000351); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 709 in Delaware → Look up another NPI →
Also registered at 12 Reads Way Ste 2000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jessica Glant, PA-CPhysician Assistant1467964205
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Verify Katherine Mary Abernethy 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-0000770Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average family nurse practitioner in 2024
1,939 Medicare Part D claims for 670 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Tamsulosin Hcl445 claims
- Gemtesa228 claims
- Myrbetriq167 claims
- Oxybutynin Chloride Er144 claims
- Nitrofurantoin Mono-Macro114 claims
- Cephalexin100 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $414.81
21 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, 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
- Brandywine Urology Consultants PAWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Mary Abernethy among 709 family nurse practitioner records in Delaware
Katherine Mary Abernethy, NP-C is one of 709 family nurse practitioner records with a practice address in Delaware. 78% 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 32% of them.
- NPI issued2014 · 32% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2013 · median 2018 among the 434 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (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 709 in Delaware → Every provider in New Castle → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cecilia Aboagye, FNPHistoric New Castle, DE 197201023584430
- Maxy AnamonyeNew Castle, DE 197201477148724
- Jaclyn Barton, NPNew Castle, DE 197201366967523
- Matthew Koterwas, FNPNew Castle, DE 197201376070854
- Stacy Lourie, NPNew Castle, DE 197201366577132
- Amber Manning, N.P.New Castle, DE 197201538408927
- Michelle Marcantuno, CRNPNew Castle, DE 197201568726669
- Karen MazeiNew Castle, DE 197201629565676
Common questions
What is Katherine Mary Abernethy, NP-C's NPI number?
Katherine Mary Abernethy, NP-C's National Provider Identifier (NPI) is 1629477153, issued on Aug 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mary Abernethy, NP-C located?
The NPPES record lists a practice address at 12 Reads Way Ste 2000, New Castle, DE, 19720. Phone: (302) 652-8990. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mary Abernethy, NP-C's license?
NPPES lists Delaware license number LG-0000770, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Mary Abernethy, NP-C prescribe under Medicare Part D?
In 2024, Katherine Mary Abernethy, NP-C had 1,939 Medicare Part D claims for 670 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Katherine Mary Abernethy, NP-C's MIPS final score?
The 2023 MIPS final score is 85.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.