NPPES file of Aug 9, 2026

Linda C. Cortez, PA-C

Physician Assistant · Walnut Creek, CA

Linda C. Cortez, PA-C is a physician assistant with a practice address in Walnut Creek, California, and NPI 1487927414, issued on Feb 22, 2012. Check the license (California PA22145, 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
1487927414
Name
Linda C. Cortez
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA22145 CA
Self-reported in NPPES; status is on the state search
Practice location
1425 S Main St, Walnut Creek, CA 94596
Phone
(925) 295-4000
Enumerated
Feb 22, 2012
Record last updated
Jan 3, 2022
Medicare enrollment
Enrolled (PECOS I20120808000923); 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.
Download card Updates feed

Also registered at 1425 S Main St

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

  1. Eric AaserudeEmergency Medicine Physician1811491194
  2. Derek Abbassi, MDObstetrics & Gynecology Physician1841364155
  3. Peter Ackerman, MDEmergency Medicine Physician1427435023
  4. Aaron Mark Acosta, DOEmergency Medicine Physician1538789987
  5. Basil Adad, MDOtolaryngology Physician1487732574
  6. Derek Ailes, M.D.Emergency Medical Services (Emergency Medicine) Physician1992001804

Verify Linda C. Cortez 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 PA22145
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

87% fewer Medicare Part D claims than the average physician assistant in 2024

107 Medicare Part D claims for 71 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 59 claims were for opioids.

  1. Linda Cortez107
  2. Specialty average830

Most prescribed

  1. Hydrocodone-Acetaminophen28 claims
  2. Ibuprofen20 claims
  3. Oxycodone Hcl19 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncRichmond, CA

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

Linda C. Cortez among 14,451 physician assistant records in California

Linda C. Cortez, 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 2012, is newer than 33% of them.

  • NPI issued2012 · 33% of these records are older, 65% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2011 · median 2018 among the 7,214 with a school on file
  • Record last updated2022 · 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).

89 physician assistant records list a practice address in Walnut Creek

They are 89 of the 6,170 NPPES records with a practice address in Walnut Creek, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Viktor Buzin, MPA, PA-CWalnut Creek, CA 945961790023620
  2. James Derum, PA-CWalnut Creek, CA 945961447355474
  3. Zacharia Greenlee, PA-CWalnut Creek, CA 945961427469097
  4. Karen Hauser, PAWalnut Creek, CA 945961609085760
  5. Richard King, PA-CWalnut Creek, CA 945961093870016
  6. Kevin King, PA-CWalnut Creek, CA 945961841509171
  7. Cyril Kulka, PA-CWalnut Creek, CA 945961225166556
  8. Katherine Mader, PA-CWalnut Creek, CA 945961730416066

Common questions

What is Linda C. Cortez, PA-C's NPI number?

Linda C. Cortez, PA-C's National Provider Identifier (NPI) is 1487927414, issued on Feb 22, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Linda C. Cortez, PA-C located?

The NPPES record lists a practice address at 1425 S Main St, Walnut Creek, CA, 94596. Phone: (925) 295-4000. Providers update this record themselves, so call before visiting.

How can I verify Linda C. Cortez, PA-C's license?

NPPES lists California license number PA22145, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Linda C. Cortez, PA-C prescribe under Medicare Part D?

In 2024, Linda C. Cortez, PA-C had 107 Medicare Part D claims for 71 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.