NPPES file of Aug 9, 2026

Julia Catherine Karnoski, PA-C

Physician Assistant · Redondo Beach, CA

Julia Catherine Karnoski, PA-C is a physician assistant with a practice address in Redondo Beach, California, and NPI 1750785325, issued on Oct 10, 2014. Check the license (California 52026, as entered in NPPES) with the California 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
1750785325
Name
Julia Catherine Karnoski
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
52026 CA
Self-reported in NPPES; status is on the state search
Practice location
1812 Artesia Blvd, Redondo Beach, CA 90278
Phone
(310) 374-5600
Enumerated
Oct 10, 2014
Record last updated
Oct 10, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210120001395); 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 1812 Artesia Blvd

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

  1. Russell Knittel, MDEmergency Medicine Physician1861421711
  2. Robert Posek, DDSOral and Maxillofacial Surgery (Dentist)1518173582

Verify Julia Catherine Karnoski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 52026
    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 California 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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52% fewer Medicare Part D claims than the average physician assistant in 2024

401 Medicare Part D claims for 254 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Julia Karnoski401
  2. Specialty average830

Most prescribed

  1. Paxlovid43 claims
  2. Amoxicillin-Clavulanate Potass25 claims
  3. Cephalexin17 claims
  4. Sulfamethoxazole-Trimethoprim16 claims
  5. Doxycycline Hyclate12 claims
  6. Azithromycin11 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): 83.3 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 score79.5
  2. Costout of 100 · 30%64.9
  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 2 group practices

  1. Anywhere Clinic LLCNampa, ID
  2. Anywhere Clinic PCMill Valley, CA

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

Julia Catherine Karnoski among 14,451 physician assistant records in California

Julia Catherine Karnoski, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% 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 38% of them.

  • NPI issued2014 · 38% of these records are older, 59% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2014 · median 2018 among the 7,214 with a school on file
  • Record last updated2014 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 physician assistant records list a practice address in Redondo Beach

They are 20 of the 1,513 NPPES records with a practice address in Redondo Beach, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Nora Branning, P.A.Redondo Beach, CA 902781538453725
  2. Erica Deangelo, PARedondo Beach, CA 902781134694946
  3. Mathew Deville, D.C., PA-CRedondo Beach, CA 902781932291473
  4. Nicole Gentry, P.A.Redondo Beach, CA 902781619017704
  5. Kara Karalis, PA-CRedondo Beach, CA 902781629205497
  6. Sofia AprileRedondo Beach, CA 902771386594240
  7. Jessica CarneyRedondo Beach, CA 902771366023699
  8. Kanti Charugundla, PA-CRedondo Beach, CA 902771326153990

Common questions

What is Julia Catherine Karnoski, PA-C's NPI number?

Julia Catherine Karnoski, PA-C's National Provider Identifier (NPI) is 1750785325, issued on Oct 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Julia Catherine Karnoski, PA-C located?

The NPPES record lists a practice address at 1812 Artesia Blvd, Redondo Beach, CA, 90278. Phone: (310) 374-5600. Providers update this record themselves, so call before visiting.

How can I verify Julia Catherine Karnoski, PA-C's license?

NPPES lists California license number 52026, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Julia Catherine Karnoski, PA-C prescribe under Medicare Part D?

In 2024, Julia Catherine Karnoski, PA-C had 401 Medicare Part D claims for 254 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Julia Catherine Karnoski, PA-C's MIPS final score?

The 2023 MIPS final score is 83.3 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.