NPPES file of Aug 9, 2026

Kristine Porto Madurski, PA

Physician Assistant · San Ysidro, CA

Kristine Porto Madurski, PA is a physician assistant with a practice address in San Ysidro, California, and NPI 1053403782, issued on Sep 29, 2006. Check the license (California PA16269, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053403782
Name
Kristine Porto Madurski
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA16269 CA
Self-reported in NPPES; status is on the state search
Practice location
4004 Beyer Blvd, San Ysidro, CA 92173
Phone
(619) 428-4463
Enumerated
Sep 29, 2006
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(619) 428-2625
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4004 Beyer Blvd

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

  1. Lizbeth AcunaCase Manager/Care Coordinator1134363187
  2. Noemi Arrieta, DOFamily Medicine Physician1912223496
  3. Salvador Balvaneda, IMFTMarriage & Family Therapist1659413086
  4. Vanessa Bastidas, MD, MPHFamily Medicine Physician1831893478
  5. Rita BedermanMarriage & Family Therapist1376684142
  6. Justin Bennink, M.D.Family Medicine Physician1083033146

Verify Kristine Porto Madurski 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 PA16269
    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

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95% fewer Medicare Part D claims than the average physician assistant in 2024

41 Medicare Part D claims for 21 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Kristine Porto Madurski41
  2. Specialty average830

Most prescribed

  1. Estradiol23 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.

Kristine Porto Madurski among 14,451 physician assistant records in California

Kristine Porto Madurski, PA 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 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 87% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2021 · 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).

8 physician assistant records list a practice address in San Ysidro

They are 8 of the 218 NPPES records with a practice address in San Ysidro, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Roxanna Calvario, PASan Ysidro, CA 921731275087421
  2. Clarissa Castillo, PASan Ysidro, CA 921731871506378
  3. Elvia Charles, PASan Ysidro, CA 921731558445411
  4. Prescott Lederer, PASan Ysidro, CA 921731417413048
  5. Lorena Montes, PASan Ysidro, CA 921731598934788
  6. Collin Ross, PHDSan Ysidro, CA 921731629182050
  7. Nassera Saidani, MS, PA-CSan Ysidro, CA 921731710292248
  8. Brian DewhirstSan Diego, CA 921611275039703

Common questions

What is Kristine Porto Madurski, PA's NPI number?

Kristine Porto Madurski, PA's National Provider Identifier (NPI) is 1053403782, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kristine Porto Madurski, PA located?

The NPPES record lists a practice address at 4004 Beyer Blvd, San Ysidro, CA, 92173. Phone: (619) 428-4463. Providers update this record themselves, so call before visiting.

How can I verify Kristine Porto Madurski, PA's license?

NPPES lists California license number PA16269, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Kristine Porto Madurski, PA prescribe under Medicare Part D?

In 2024, Kristine Porto Madurski, PA had 41 Medicare Part D claims for 21 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

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.