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Neurosurgery

Richard Williamson Jr., MD

Works at hospitals in Chandler, AZ · Scottsdale, AZ · Gilbert, AZ … · Arizona

Summary

Richard Williamson Jr., MD (Neurosurgery) is listed by Medicare at 5 hospitals in Chandler, AZ, Scottsdale, AZ and Gilbert, AZ and other places. NPI 1609040609. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Richard Williamson Jr., 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

NeurosurgeryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
17Years since medical school (graduated 2009)
University Of Pittsburgh School Of MedicineMedical school
MaleGender (as listed)
Neurosurgical Associates LtdGroup practice

Quick answers

Which hospitals does Richard Williamson Jr. work at?
Medicare's official clinician data lists Richard Williamson Jr. at 5 hospitals: Chandler Regional Medical Center, HonorHealth Scottsdale Osborn Medical Center, Mercy Gilbert Medical Center, St Josephs Hospital and Medical Center and Summit Healthcare Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Richard Williamson Jr. see patients?
Medicare's clinician data lists 2 practice locations, including Chandler, AZ and Gilbert, AZ. Call before your visit to confirm the address.
What is Richard Williamson Jr.'s specialty?
Medicare lists Neurosurgery as the primary specialty.
Does Richard Williamson Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Richard Williamson Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Richard Williamson Jr. offer telehealth?
Medicare's clinician data says Richard Williamson Jr. offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Richard Williamson Jr.?
(480) 917-5600, as listed in official Medicare / NPI Registry data.
What is Richard Williamson Jr.'s NPI number?
1609040609. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Richard Williamson Jr. works

Medicare's Facility Affiliation Data lists Richard Williamson Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Richard Williamson Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Richard Williamson Jr. as a member of this group (CMS data updated 2026-10-02).

  • Neurosurgical Associates Ltd74 clinicians in the group

Specialties

Find other Neurosurgery doctors in Arizona →

Other neurosurgeons in Chandler

Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.

All neurosurgeons in Chandler →

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year2009
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1609040609
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians