Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Nathan T. Vanderveen, MD

Works at hospitals in Los Angeles, CA · Santa Monica, CA · California

Summary

Dr. Nathan T. Vanderveen, MD is an internal medicine doctor at 100 Medical Plaza, Los Angeles, CA 90095. Phone: (310) 825-7922. Accepts Medicare assignment. In 2024, Nathan T. Vanderveen had 13 Original Medicare patients and 24 services. NPI 1669008645. 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 Nathan T. Vanderveen, 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 Nathan T. Vanderveen accept Medicare assignment?
Yes. Medicare's clinician data says Nathan T. Vanderveen 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 Nathan T. Vanderveen see?
In 2024, CMS data shows 13 Original Medicare patients and 24 services for Nathan T. Vanderveen. This counts Original Medicare only and measures volume, not quality.
What is Nathan T. Vanderveen's NPI number?
1669008645. 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 Nathan T. Vanderveen, 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 patients13
Services billed to Medicare24
Different services or procedures4
Participating Medicare providerYes
Average age of these patients74

Hospitals where Nathan T. Vanderveen works

Medicare's Facility Affiliation Data lists Nathan T. Vanderveen 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 Nathan T. Vanderveen is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 11; the Medicare profile lists all.

Group practices

Medicare enrollment lists Nathan T. Vanderveen as a member of these groups (CMS data updated October 2, 2026).

  • The Regents of the University of California1,462 clinicians in the group
  • Venice Family Clinic102 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Los Angeles

Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.

All internal medicine doctors in Los Angeles →

Other clinicians in The Regents of the University of California

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

Clinician information

CredentialMD
Medical schoolWestern Michigan Un Homer Stryker School Of Med
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1669008645
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