NPPES file of Aug 9, 2026

Justina Ashley Kiernan, PA

Physician Assistant · New York, NY

Justina Ashley Kiernan, PA is a physician assistant with a practice address in New York, New York, and NPI 1831448760, issued on Sep 6, 2012. Check the license (New York 015990, 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
1831448760
Name
Justina Ashley Kiernan
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
015990 NY
Self-reported in NPPES; status is on the state search
Practice location
535 E 70TH St, New York, NY 10021
Phone
(212) 606-1000
Enumerated
Sep 6, 2012
Record last updated
Apr 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190927000667); accepts Medicare assignment
Medical or professional school
Mercy College, 2012
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 535 E 70TH St

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

  1. Dana Aaron, PT, DPT, OCSOrthopedic Physical Therapist1609423045
  2. Matthew Abola, MDOrthopaedic Hand Surgery Physician1942864889
  3. Caroline Accardi, FNP-BCFamily Nurse Practitioner1346000163
  4. Emmanuel Adamptey, PASurgical Physician Assistant1871209031
  5. Alexa Adams, M.D.Pediatric Rheumatology Physician1639246747
  6. Michael AdashevSurgical Physician Assistant1609312156

Verify Justina Ashley Kiernan 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 015990
    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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47% fewer Medicare Part D claims than the average physician assistant in 2024

437 Medicare Part D claims for 111 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 15 claims were for opioids.

  1. Justina Kiernan437
  2. Specialty average830

Most prescribed

  1. Acyclovir69 claims
  2. Lenalidomide57 claims
  3. Revlimid41 claims
  4. Sulfamethoxazole-Trimethoprim26 claims
  5. Omeprazole25 claims
  6. Prednisone18 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): 88.2 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 score81.0
  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).

Bills Medicare through one group practice

  1. Msk BergenMontvale, NJ

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

3,108 physician assistant records list a practice address in New York

They are 3,108 of the 98,468 NPPES records with a practice address in New York, and 15,555 physician assistant records in New York.

Other physician assistant records in New York

  1. Brynn Aakjar, P.A.Yonkers, NY1447592456
  2. Andrea Aaron, PABronx, NY1427103555
  3. Gabriella AaronCentral Islip, NY1790605376
  4. Danielle AaronsSmithtown, NY1881207520
  5. John AbadeerBrooklyn, NY1801434949
  6. Zenebou Abalo-Toga, PANew York, NY1124556154
  7. Kevin Alfred Abalos, PA-CCambria Heights, NY1700286424
  8. Clarisse AbanillaNew York, NY1598445579
  9. Vincent Abanilla, PA-CBrooklyn, NY1366201808
  10. Marie Abate, PA-CValhalla, NY1285225524

Common questions

What is Justina Ashley Kiernan, PA's NPI number?

Justina Ashley Kiernan, PA's National Provider Identifier (NPI) is 1831448760, issued on Sep 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Justina Ashley Kiernan, PA located?

The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (212) 606-1000. Providers update this record themselves, so call before visiting.

How can I verify Justina Ashley Kiernan, PA's license?

NPPES lists New York license number 015990, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Justina Ashley Kiernan, PA prescribe under Medicare Part D?

In 2024, Justina Ashley Kiernan, PA had 437 Medicare Part D claims for 111 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Justina Ashley Kiernan, PA's MIPS final score?

The 2023 MIPS final score is 88.2 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.