Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RALPH E COX M.D.
NPI 1962454306
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Sacramento, CA

Q: What is Ralph Cox's NPI number?

The NPI number for Ralph Cox is 1962454306. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Q: What is Ralph Cox's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Q: When was this NPI record last updated?

The NPPES record for Ralph Cox was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 16, 2006

3941 J ST, SUITE 270, SACRAMENTO, CA 95819(916) 733-6850(916) 733-6824 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Ralph E Cox M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RALPH E COX M.D. (NPI 1962454306) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Sacramento, California, licensed in California (C24370) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1962454306

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameRALPH E COXCredential: M.D.

Location Address3941 J ST, SUITE 270Sacramento, CA 95819-3628

Mailing Address3941 J St, Suite 270Sacramento, CA 95819-3628 · (916) 733-6850 · Fax (916) 733-6824

Phone(916) 733-6850

Fax(916) 733-6824

Sole ProprietorNo

Enumeration DateMay 16, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1962454306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

License✔ Licensed in CA · C24370

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

3941 J ST, Sacramento, CA 95819

Open in Google Maps ↗

Other Identifiers 1

Medicaid00C243700CA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEALTHWISE MEDICAL GROUP

Urology

3941 J ST, SUITE 250
SACRAMENTO, CA 95819

Sacramento County (916) 733-6800

REGIONAL CARDIOLOGY ASSOCIATES MEDICAL GROUP, INC.

Internal Medicine (Cardiovascular Disease)

3941 J ST, SUITE 260
SACRAMENTO, CA 95819

Sacramento County (916) 736-2323

DR. JOHN RICHARD DEIN M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

3941 J ST, SUITE 270
SACRAMENTO, CA 95819

Sacramento County (916) 733-6850

CHARLES ROSSITER KUEHNER M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

3941 J ST, SUITE 270
SACRAMENTO, CA 95819

Sacramento County (916) 733-6850

FRANK NORMAN SLACHMAN M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

3941 J ST, SUITE 270
SACRAMENTO, CA 95819

Sacramento County (916) 733-6850

JONG L. CHEN, M.D., INC.

Preferred Provider Organization

3941 J ST, SUITE 250
SACRAMENTO, CA 95819

Sacramento County (916) 733-6800

CARDIAC SURGERY WEST MEDICAL CORPORATION

Thoracic Surgery (Cardiothoracic Vascular Surgery)

3941 J ST, SUITE 270
SACRAMENTO, CA 95819

Sacramento County (916) 733-6850

KELSEY ANNE JOHNSON

Nurse Anesthetist, Certified Registered

3941 J ST
SACRAMENTO, CA 95819

Sacramento County (916) 453-4545

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ralph Cox's NPI number?

The NPI number for Ralph Cox is 1962454306. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Ralph Cox located?

Ralph Cox practices at 3941 J St Suite 270, Sacramento, CA 95819. The listed phone number is (916) 733-6850.

What is Ralph Cox's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

When was this NPI record last updated?

The NPPES record for Ralph Cox was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.