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MARK D NATHAN MD
NPI 1013947670
Internal Medicine - Interventional Cardiology in Walnut Creek, CA

Active since July 03, 2006
106 LA CASA VIA, #140, WALNUT CREEK, CA 94598(925) 274-2860(925) 932-4527 Get Directions Write a Review

NPPES record last updated: June 25, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark D Nathan Md NPPES

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

MARK D NATHAN MD (NPI 1013947670) is an individual interventional cardiology provider in Walnut Creek, California, licensed in California (G35395) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1013947670
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameMARK D NATHANCredential: MD
Location Address106 LA CASA VIA, #140Walnut Creek, CA 94598-3086
Mailing Address2855 Mitchell Dr, #223Walnut Creek, CA 94598-1600 · (925) 274-2860 · Fax (925) 932-4527
Phone(925) 274-2860
Fax(925) 932-4527
Sole ProprietorNo
Enumeration DateJuly 3, 2006
Last NPPES UpdateJune 25, 2010
✔ NPI 1013947670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License✔ Licensed in CA · G35395
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
106 LA CASA VIA, Walnut Creek, CA 94598
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Other Identifiers 1

Medicare UPINA46339

Other Providers at the Same Location NPPES 14

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

WAYNE R. WALKER D.D.S.
Dentist (General Practice)
106 LA CASA VIA, SUITE 280
WALNUT CREEK, CA 94598
Contra Costa County (925) 932-2110
CARDIOVASCULAR CONSULTANTS MEDICAL GROUP, INC.
Internal Medicine (Interventional Cardiology)
106 LA CASA VIA, #140
WALNUT CREEK, CA 94598
Contra Costa County (925) 274-2860
MS. CARRIE TONI CHAN CPNP
Nurse Practitioner (Pediatrics)
106 LA CASA VIA, SUITE 240
WALNUT CREEK, CA 94598
Contra Costa County (925) 322-8494
KRISTINE W BATTEN MD
Internal Medicine (Cardiovascular Disease)
106 LA CASA VIA, #140
WALNUT CREEK, CA 94598
Contra Costa County (925) 274-2860
DR. JUSTIN MARK KEYASHIAN DDS
Dentist
106 LA CASA VIA, 280
WALNUT CREEK, CA 94598
Contra Costa County (925) 932-2110
KELLI PATIN RD, CDE
Dietitian, Registered (Nutrition, Pediatric)
106 LA CASA VIA, SUITE 100
WALNUT CREEK, CA 94598
Contra Costa County (925) 239-2900
DR. NEAL W WHITE JR. MD
Internal Medicine (Cardiovascular Disease)
106 LA CASA VIA, #140
WALNUT CREEK, CA 94598
Contra Costa County (925) 274-2860
JOHN R KROUSE MD
Internal Medicine (Interventional Cardiology)
106 LA CASA VIA, #140
WALNUT CREEK, CA 94598
Contra Costa County (925) 274-2860

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 Mark Nathan's NPI number?

The NPI number for Mark Nathan is 1013947670. It was assigned to this individual provider in the NPPES registry on July 3, 2006.

Where is Mark Nathan located?

Mark Nathan practices at 106 La Casa Via #140, Walnut Creek, CA 94598. The listed phone number is (925) 274-2860.

What is Mark Nathan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

When was this NPI record last updated?

The NPPES record for Mark Nathan was last updated on June 25, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.