NPPES file of Aug 9, 2026

Alexandra Ann Karnyski, FNP

Family Nurse Practitioner · Rochester, NY

Alexandra Ann Karnyski, FNP is a family nurse practitioner with a practice address in Rochester, New York, and NPI 1013535913, issued on Jul 8, 2020. Check the license (New York 346114, as entered in NPPES) with the New York 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
1013535913
Name
Alexandra Ann Karnyski
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
346114 NY
Self-reported in NPPES; status is on the state search
Practice location
158 Sawgrass Dr, Rochester, NY 14620
Phone
(585) 275-2838
Enumerated
Jul 8, 2020
Record last updated
Jul 3, 2023
Medicare enrollment
Enrolled (PECOS I20200925001081); 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 158 Sawgrass Dr

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

  1. Sarah Almoshaikah, PA-CMedical Physician Assistant1295325736
  2. Amanda Buckner, P.A.Medical Physician Assistant1154741742
  3. Karen Doersch, MD/PHDUrology Physician1215431770
  4. Michelle Kingsley, NPAdult Health Nurse Practitioner1750029062
  5. Jacqueline KinneyFamily Nurse Practitioner1801502778
  6. Jacqueline Lentine, FNPFamily Nurse Practitioner1205463718

Verify Alexandra Ann Karnyski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 346114
    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 York license search

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38% fewer Medicare Part D claims than the average family nurse practitioner in 2024

807 Medicare Part D claims for 307 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Alexandra Karnyski807
  2. Specialty average1,305

Most prescribed

  1. Tamsulosin Hcl154 claims
  2. Solifenacin Succinate87 claims
  3. Gemtesa74 claims
  4. Myrbetriq60 claims
  5. Nitrofurantoin Mono-Macro60 claims
  6. Cephalexin55 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): 89.4 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 score77.5
  2. Costout of 100 · 30%79.4
  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).

Bills Medicare through one group practice

  1. University Urology AssociatesRochester, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

803 family nurse practitioner records list a practice address in Rochester

They are 803 of the 20,520 NPPES records with a practice address in Rochester, and 14,805 family nurse practitioner records in New York.

Other family nurse practitioner records in New York

  1. Carolyn A'Hearn, NPSyracuse, NY1093435554
  2. Lindsey Aanonsen, FNPStaten Island, NY1386368926
  3. Abigail Aaron, FNPNew York, NY1548125594
  4. Meredith AaronWellsville, NY1699121764
  5. Memoudou Abalola, NPBronx, NY1154580520
  6. Jennifer Abate, FNP-BCNew York, NY1568134732
  7. Karen Abate, PHD, APRN- BC, FNAPNew York, NY1669599585
  8. Tatiana AbayaBronx, NY1366323958
  9. Evilina AbayevaFresh Meadows, NY1932929585
  10. Dalia AbbasRockville Centre, NY1871425363

Common questions

What is Alexandra Ann Karnyski, FNP's NPI number?

Alexandra Ann Karnyski, FNP's National Provider Identifier (NPI) is 1013535913, issued on Jul 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Alexandra Ann Karnyski, FNP located?

The NPPES record lists a practice address at 158 Sawgrass Dr, Rochester, NY, 14620. Phone: (585) 275-2838. Providers update this record themselves, so call before visiting.

How can I verify Alexandra Ann Karnyski, FNP's license?

NPPES lists New York license number 346114, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Alexandra Ann Karnyski, FNP prescribe under Medicare Part D?

In 2024, Alexandra Ann Karnyski, FNP had 807 Medicare Part D claims for 307 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

What is Alexandra Ann Karnyski, FNP's MIPS final score?

The 2023 MIPS final score is 89.4 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.