NPPES file of Aug 9, 2026

Kaden Gray Willie, D.O.

Family Medicine Physician · San Marcos, CA

Kaden Gray Willie, D.O. is a family medicine physician with a practice address in San Marcos, California, and NPI 1790133767, issued on May 31, 2016. Check the license (California 20A17306, as entered in NPPES) on the Medical Board of California; 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
1790133767
Name
Kaden Gray Willie
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A17306 CA
Self-reported in NPPES; status is on the state search
Practice location
150 Valpreda RD, San Marcos, CA 92069
Phone
(760) 736-6767
Enumerated
May 31, 2016
Record last updated
Aug 28, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(760) 736-8740
Medicare enrollment
Enrolled (PECOS I20191030003154); 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.
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Also registered at 150 Valpreda RD

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

  1. Jannah Alaoui, CNM, RNAdvanced Practice Midwife1689908113
  2. Wais Alemi, MDFamily Medicine Physician1427305242
  3. Leon Altamirano, PSY.D.Psychologist1619271517
  4. Blanca Arias, LCSWClinical Social Worker1033223649
  5. Lynda Ariella, PHDClinical Psychologist1073518965
  6. Maria BanuelosCase Manager/Care Coordinator1720280589

Verify Kaden Gray Willie in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A17306
    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 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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48% fewer Medicare Part D claims than the average family medicine physician in 2024

1,840 Medicare Part D claims for 204 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Kaden Willie1,840
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium150 claims
  2. Lisinopril129 claims
  3. Metformin Hcl100 claims
  4. Amlodipine Besylate86 claims
  5. Losartan Potassium75 claims
  6. Fluticasone Propionate67 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.

Industry payments in 2024: $143.91

7 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kaden Willie$143.91
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. North County Health Project, Inc.San Marcos, CA

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

Kaden Gray Willie among 17,133 family medicine physician records in California

Kaden Gray Willie, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2016 · median 2005 among the 10,652 with a school on file
  • Record last updated2019 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 family medicine physician records list a practice address in San Marcos

They are 47 of the 1,985 NPPES records with a practice address in San Marcos, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Wais Alemi, MDSan Marcos, CA 920691427305242
  2. Oksana Hirniak, D.O.San Marcos, CA 920691891750345
  3. Cheng Lee, M.D.San Marcos, CA 920691598098345
  4. Julie Matias, D.O.San Marcos, CA 920691083094510
  5. Kathryn McHenry, D.O.San Marcos, CA 920691326458373
  6. Devarshi Nath, MDSan Marcos, CA 920691275630618
  7. Peter Novota, M.D.San Marcos, CA 920691124132394
  8. Isela Penunuri, MDSan Marcos, CA 920691548295439

Common questions

What is Kaden Gray Willie, D.O.'s NPI number?

Kaden Gray Willie, D.O.'s National Provider Identifier (NPI) is 1790133767, issued on May 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Kaden Gray Willie, D.O. located?

The NPPES record lists a practice address at 150 Valpreda RD, San Marcos, CA, 92069. Phone: (760) 736-6767. Providers update this record themselves, so call before visiting.

How can I verify Kaden Gray Willie, D.O.'s license?

NPPES lists California license number 20A17306, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kaden Gray Willie, D.O. prescribe under Medicare Part D?

In 2024, Kaden Gray Willie, D.O. had 1,840 Medicare Part D claims for 204 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.