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Internal Medicine

Douglas E. McConnaughey, MD

Sees patients in Fountain Valley, CA · California

Summary

Douglas E. McConnaughey, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Fountain Valley, CA. NPI 1104862721. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Douglas E. McConnaughey, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
University Of California, Davis School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Douglas E. McConnaughey see patients?
Medicare's clinician data lists 1 practice location in Fountain Valley, CA. Call before your visit to confirm the address.
What is Douglas E. McConnaughey's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Douglas E. McConnaughey accept Medicare assignment?
Yes. Medicare's clinician data says Douglas E. McConnaughey 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 Douglas E. McConnaughey's NPI number?
1104862721. 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 Douglas E. McConnaughey is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Fountain Valley

Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.

All internal medicine doctors in Fountain Valley →

Clinician information

CredentialMD
Medical schoolUniversity Of California, Davis School Of Medicine
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1104862721
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