NPPES file of Aug 9, 2026

Karen E. Kadish, NP

Nurse Practitioner · Portsmouth, NH

Karen E. Kadish, NP is a nurse practitioner with a practice address in Portsmouth, New Hampshire, and NPI 1386633733, issued on Oct 18, 2005. Check the license (New Hampshire 083701-23, as entered in NPPES) with the New Hampshire 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
1386633733
Name
Karen E. Kadish
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
083701-23 NH
250366 MA
CNP211026 ME
Self-reported in NPPES; status is on the state search
Practice location
155 Borthwick Ave Ste C, Portsmouth, NH 03801
Phone
(603) 828-0100
Enumerated
Oct 18, 2005
Record last updated
Feb 17, 2023
Fax
(603) 828-0111
Medicaid ID
1200992 MA
Medicare enrollment
Enrolled (PECOS I20210128000606); accepts Medicare assignment
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 155 Borthwick Ave Ste C

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yoko Fukuda, M.D.Hematology & Oncology Physician1568622801
  2. Elizabeth Testa, LICSWClinical Social Worker1487288270
  3. Christine Wasilewski, MDHematology & Oncology Physician1376750562
  4. Lauren Zanetti, PA-CPhysician Assistant1578956538

Verify Karen E. Kadish in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 083701-23
    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 New Hampshire license search

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97% fewer Medicare Part D claims than the average nurse practitioner in 2024

37 Medicare Part D claims for 19 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Karen Kadish37
  2. Specialty average1,109

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): 69.4 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 score55.6
  2. Costout of 100 · 30%42.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $33.25

1 payment: food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Kadish$33.25
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

20 nurse practitioner records list a practice address in Portsmouth

They are 20 of the 1,860 NPPES records with a practice address in Portsmouth, and 412 nurse practitioner records in New Hampshire.

Other nurse practitioner records in New Hampshire

  1. Paul Acevedo, CNPNashua, NH1184198590
  2. Stephanie Ackerson, MSN, APRN, CDCESManchester, NH1477083038
  3. Samantha Adinolfo, APRNConcord, NH1447619481
  4. Shea Ahern, ARNPExeter, NH1841985645
  5. Marcy Ainslie, APRNManchester, NH1407913478
  6. Sonya Alyea, APRNSomersworth, NH1023203734
  7. Vanessa Amatucci, APRNPortsmouth, NH1053835975
  8. Lindsay Andronaco, NPManchester, NH1144769548
  9. Lisa Armstrong, APRNExeter, NH1356738876
  10. Paul Arnstein, ARNPManchester, NH1184686131

Common questions

What is Karen E. Kadish, NP's NPI number?

Karen E. Kadish, NP's National Provider Identifier (NPI) is 1386633733, issued on Oct 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Karen E. Kadish, NP located?

The NPPES record lists a practice address at 155 Borthwick Ave Ste C, Portsmouth, NH, 03801. Phone: (603) 828-0100. Providers update this record themselves, so call before visiting.

How can I verify Karen E. Kadish, NP's license?

NPPES lists New Hampshire license number 083701-23, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

How much does Karen E. Kadish, NP prescribe under Medicare Part D?

In 2024, Karen E. Kadish, NP had 37 Medicare Part D claims for 19 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Karen E. Kadish, NP's MIPS final score?

The 2023 MIPS final score is 69.4 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.