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

Undefined Physician Type (Specify)

William W. Davidson Iv

Sees patients in Santa Cruz, CA · California

Summary

William W. Davidson Iv (Undefined Physician Type (Specify)) is enrolled with Medicare at 1 practice location in Santa Cruz, CA. NPI 1508124652. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William W. Davidson Iv, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Undefined Physician Type (Specify)Primary specialty
May acceptAccepts Medicare assignment
15Years since medical school (graduated 2011)
MaleGender (as listed)

Quick answers

Where does William W. Davidson Iv see patients?
Medicare's clinician data lists 1 practice location in Santa Cruz, CA. Call before your visit to confirm the address.
What is William W. Davidson Iv's specialty?
Medicare lists Undefined Physician Type (Specify) as the primary specialty.
Does William W. Davidson Iv accept Medicare assignment?
Medicare's clinician data says William W. Davidson Iv may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is William W. Davidson Iv's NPI number?
1508124652. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where William W. Davidson Iv is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Undefined Physician Type (Specify) doctors in California →

Other physicians in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All physicians in California →

Clinician information

Graduation year2011
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1508124652
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians