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

Gastroenterology

Richard E. McGuire Jr., MD

Works at hospitals in Fullerton, CA · Orange, CA · California

Summary

Richard E. McGuire Jr., MD (Gastroenterology) is listed by Medicare at 2 hospitals in Fullerton, CA and Orange, CA. NPI 1437196730. 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 E. McGuire 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

GastroenterologyPrimary specialty
YesAccepts Medicare assignment
42Years since medical school (graduated 1984)
New York University School Of MedicineMedical school
MaleGender (as listed)
Caremore Medical Group IncGroup practice

Quick answers

Which hospitals does Richard E. McGuire Jr. work at?
Medicare's official clinician data lists Richard E. McGuire Jr. at 2 hospitals: Providence St. Jude Medical Center and UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Richard E. McGuire Jr. see patients?
Medicare's clinician data lists 2 practice locations, including La Mirada, CA and Fullerton, CA. Call before your visit to confirm the address.
What is Richard E. McGuire Jr.'s specialty?
Medicare lists Gastroenterology as the primary specialty.
Does Richard E. McGuire Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Richard E. McGuire 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.
What is the phone number for Richard E. McGuire Jr.?
(714) 990-0911, as listed in official Medicare / NPI Registry data.
What is Richard E. McGuire Jr.'s NPI number?
1437196730. 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 E. McGuire Jr. works

Medicare's Facility Affiliation Data lists Richard E. McGuire 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 E. McGuire Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Caremore Medical Group Inc15 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in California

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

All gastroenterologists in California →

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437196730
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