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Cardiac Electrophysiology

Carleton T. Nibley, MD

Works at hospitals in Martinez, CA · Concord, CA · Walnut Creek, CA … · California

Summary

Carleton T. Nibley, MD (Cardiac Electrophysiology) is listed by Medicare at 4 hospitals in Martinez, CA, Concord, CA and Walnut Creek, CA and other places. NPI 1508963489. 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 Carleton T. Nibley, 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

Cardiac ElectrophysiologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
38Years since medical school (graduated 1988)
University Of Southern California Keck School Of MedicineMedical school
MaleGender (as listed)
John Muir Physician NetworkGroup practice

Quick answers

Which hospitals does Carleton T. Nibley work at?
Medicare's official clinician data lists Carleton T. Nibley at 4 hospitals: Contra Costa Regional Medical Center, John Muir Medical Center - Concord Campus, John Muir Medical Center - Walnut Creek Campus and Sutter Delta Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Carleton T. Nibley see patients?
Medicare's clinician data lists 1 practice location in Concord, CA. Call before your visit to confirm the address.
What is Carleton T. Nibley's specialty?
Medicare lists Cardiac Electrophysiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
Does Carleton T. Nibley accept Medicare assignment?
Yes. Medicare's clinician data says Carleton T. Nibley 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 Carleton T. Nibley offer telehealth?
Medicare's clinician data says Carleton T. Nibley offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Carleton T. Nibley?
(925) 674-2880, as listed in official Medicare / NPI Registry data.
What is Carleton T. Nibley's NPI number?
1508963489. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Carleton T. Nibley works

Medicare's Facility Affiliation Data lists Carleton T. Nibley 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 Carleton T. Nibley is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Carleton T. Nibley as a member of this group (CMS data updated 2026-10-02).

  • John Muir Physician Network494 clinicians in the group

Specialties

Find other Cardiac Electrophysiology doctors in California →

Other cardiac electrophysiologists in California

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

All cardiac electrophysiologists in California →

Clinician information

CredentialMD
Medical schoolUniversity Of Southern California Keck School Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508963489
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