NPPES file of Aug 9, 2026

Kathleen Louise Coetzee, D.O.

Family Medicine Physician · San Diego, CA

Kathleen Louise Coetzee, D.O. is a family medicine physician with a practice address in San Diego, California, and NPI 1104148295, issued on Feb 17, 2010. Check the license (California 20A11342, 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
1104148295
Name
Kathleen Louise Coetzee
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A11342 CA
Self-reported in NPPES; status is on the state search
Practice location
4405 Vandever Ave, San Diego, CA 92120
Phone
(619) 516-6339
Enumerated
Feb 17, 2010
Record last updated
Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110617000092); 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 4405 Vandever Ave

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

  1. Ghazaleh Afshar, MDObstetrics & Gynecology Physician1679774558
  2. Mariann Agapito, M.A., CCC-SLPSpeech-Language Pathologist1194552950
  3. Calliope Allen, M.D.Ophthalmology Physician1366415440
  4. Kenneth Antons, M.D.Internal Medicine Physician1982668182
  5. Kaivon Arfaa, MDObstetrics & Gynecology Physician1912977463
  6. Sharmila Basu, M.D,Internal Medicine Physician1740551688

Verify Kathleen Louise Coetzee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A11342
    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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26% fewer Medicare Part D claims than the average family medicine physician in 2024

2,639 Medicare Part D claims for 312 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 58 claims were for opioids.

  1. Kathleen Coetzee2,639
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium243 claims
  2. Lisinopril173 claims
  3. Rosuvastatin Calcium115 claims
  4. Levothyroxine Sodium114 claims
  5. Amlodipine Besylate88 claims
  6. Atenolol79 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. Southern California Permanente Medical GroupSan Diego, CA

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

Kathleen Louise Coetzee among 17,133 family medicine physician records in California

Kathleen Louise Coetzee, 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 2010, is newer than 60% of them.

  • NPI issued2010 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2007 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 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).

780 family medicine physician records list a practice address in San Diego

They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Richard Brown, MDSan Diego, CA 921201528139565
  2. Abigail Buhain, MDSan Diego, CA 921201043252489
  3. Margaret Elizondo, M.D.San Diego, CA 921201386696466
  4. Nancy Green, MDSan Diego, CA 921201861569790
  5. Daniel Hiser, M.D.San Diego, CA 921201376577973
  6. Vincent Kater, M.D.San Diego, CA 921201629057005
  7. Ronald Kerr, MDSan Diego, CA 921201114094067
  8. Christine Ko, MDSan Diego, CA 921201265466551

Common questions

What is Kathleen Louise Coetzee, D.O.'s NPI number?

Kathleen Louise Coetzee, D.O.'s National Provider Identifier (NPI) is 1104148295, issued on Feb 17, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Kathleen Louise Coetzee, D.O. located?

The NPPES record lists a practice address at 4405 Vandever Ave, San Diego, CA, 92120. Phone: (619) 516-6339. Providers update this record themselves, so call before visiting.

How can I verify Kathleen Louise Coetzee, D.O.'s license?

NPPES lists California license number 20A11342, 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 Kathleen Louise Coetzee, D.O. prescribe under Medicare Part D?

In 2024, Kathleen Louise Coetzee, D.O. had 2,639 Medicare Part D claims for 312 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.