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Family Practice

Anna Van Niekerk, DO

Works at hospitals in Jacksonville, FL · San Diego, CA · Florida, California

Summary

Dr. Anna Van Niekerk, DO is a family doctor at 16950 Via Tazon, San Diego, CA 92127. Phone: (800) 926-8273. Accepts Medicare assignment. In 2024, Anna Van Niekerk had 397 Original Medicare patients and 824 services. NPI 1265820112. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Anna Van Niekerk, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Anna Van Niekerk accept Medicare assignment?
Yes. Medicare's clinician data says Anna Van Niekerk accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Anna Van Niekerk see?
In 2024, CMS data shows 397 Original Medicare patients and 824 services for Anna Van Niekerk. This counts Original Medicare only and measures volume, not quality.
What is Anna Van Niekerk's NPI number?
1265820112. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Anna Van Niekerk, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients397
Services billed to Medicare824
Different services or procedures43
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)139 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)135 services
  3. Admn sarscov2 vacc 1 dose (90480)86 services
  4. Sarscov2 vac 50 mcg/0.5ml im (91322)86 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)70 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure74%
  • Arthritis43%
  • Chronic kidney disease29%
  • Diabetes26%
  • Ischemic heart disease24%

Hospitals where Anna Van Niekerk works

Medicare's Facility Affiliation Data lists Anna Van Niekerk at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Anna Van Niekerk is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna Van Niekerk as a member of these groups (CMS data updated October 2, 2026).

  • Mayo Clinic Jacksonville1,615 clinicians in the group
  • UC San Diego Health Community Group109 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All family doctors in San Diego →

Other clinicians in Mayo Clinic Jacksonville

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1265820112
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians