NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629477153
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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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.

  1. Jennifer Bader, PA-CPhysician Assistant1407163983
  2. Bruce Benge, MDUrology Physician1558319145
  3. Robert Brown, M.D.Urology Physician1548689037
  4. Thomas Desperito, MDUrology Physician1265536353
  5. Jessica Glant, PA-CPhysician Assistant1467964205
  6. Andrew Glick, MDUrology Physician1356399935

Verify Katherine Mary Abernethy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license LG-0000770
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Delaware license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Katherine Abernethy1,939
  2. Specialty average1,305

Most prescribed

  1. Tamsulosin Hcl445 claims
  2. Gemtesa228 claims
  3. Myrbetriq167 claims
  4. Oxybutynin Chloride Er144 claims
  5. Nitrofurantoin Mono-Macro114 claims
  6. 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.

  1. Qualityout of 100 · 30% of the final score71.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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.

  1. Katherine Abernethy$414.81
  2. Specialty average$650.95

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

  1. 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.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Cecilia Aboagye, FNPHistoric New Castle, DE 197201023584430
  2. Maxy AnamonyeNew Castle, DE 197201477148724
  3. Jaclyn Barton, NPNew Castle, DE 197201366967523
  4. Matthew Koterwas, FNPNew Castle, DE 197201376070854
  5. Stacy Lourie, NPNew Castle, DE 197201366577132
  6. Amber Manning, N.P.New Castle, DE 197201538408927
  7. Michelle Marcantuno, CRNPNew Castle, DE 197201568726669
  8. 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.