NPPES file of Aug 9, 2026

Alexa Jaclyn Karkenny, M.D.

Orthopaedic Surgery Physician · Bronx, NY

Alexa Jaclyn Karkenny, M.D. is an orthopaedic surgery physician with a practice address in Bronx, New York, and NPI 1750700407, issued on Apr 9, 2014. Check the license (New York 304473, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1750700407
Name
Alexa Jaclyn Karkenny
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
304473 NY
Self-reported in NPPES; status is on the state search
Practice location
1250 Waters PL, Bronx, NY 10461
Phone
(718) 920-2060
Enumerated
Apr 9, 2014
Record last updated
Sep 22, 2022
Medicare enrollment
Enrolled (PECOS I20210319000748); may accept Medicare assignment
Medical or professional school
Drexel University College Of Medicine, 2014
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 1250 Waters PL

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

  1. Arthur Abelow, MDGastroenterology Physician1235242728
  2. Ami Abraham, DOPulmonary Disease Physician1790947232
  3. Nitya Abraham, M.D.Urogynecology and Reconstructive Pelvic Surgery (Urology) Physician1417152349
  4. Toyin Ajasin, LCSWClinical Social Worker1275783938
  5. Petros Anagnostakis, PTAPhysical Therapy Assistant1609065762
  6. Larissa Arango, PT, DPTPhysical Therapist1699307983

Verify Alexa Jaclyn Karkenny in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 304473
    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
Open the New York 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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The practice group's MIPS final score for 2023 (Medicare payment program): 100 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  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).

One hospital affiliation

  1. Montefiore Medical CenterBronx, NY · 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.

Alexa Jaclyn Karkenny among 1,339 orthopaedic surgery physician records in New York

Alexa Jaclyn Karkenny, M.D. is one of 1,339 orthopaedic surgery physician records with a practice address in New York. 76% 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 82% of them.

  • NPI issued2014 · 82% of these records are older, 16% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2014 · median 2002 among the 819 with a school on file
  • Record last updated2022 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in New York

There are 1,339 orthopaedic surgery physician records in New York.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Neil Cobelli, MDBronx, NY 104611376628677
  2. Simon Greenbaum, MDBronx, NY 104611255750816
  3. Konrad Gruson, M.D.Bronx, NY 104611699941781
  4. Yi Guo, M.D.Bronx, NY 104611760893283
  5. David Hirsh, MDBronx, NY 104611669557963
  6. Eli Kamara, MDBronx, NY 104611750647517
  7. I. Martin Levy, MDBronx, NY 104611164593554
  8. John Olsewski, MDBronx, NY 104611760406557

Common questions

What is Alexa Jaclyn Karkenny, M.D.'s NPI number?

Alexa Jaclyn Karkenny, M.D.'s National Provider Identifier (NPI) is 1750700407, issued on Apr 9, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Alexa Jaclyn Karkenny, M.D. located?

The NPPES record lists a practice address at 1250 Waters PL, Bronx, NY, 10461. Phone: (718) 920-2060. Providers update this record themselves, so call before visiting.

How can I verify Alexa Jaclyn Karkenny, M.D.'s license?

NPPES lists New York license number 304473, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Alexa Jaclyn Karkenny, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 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.