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HEPATOLOGY AND GASTROENTEROLOGY ASSOCIATES INC
NPI 1902086374
Internal Medicine - Gastroenterology in Petaluma, CA

Active since November 13, 2007
1383 N MCDOWELL BLVD, STE 110, PETALUMA, CA 94954(707) 766-9852(707) 766-8431 Get Directions Write a Review

NPPES record last updated: January 20, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Hepatology And Gastroenterology Associates Inc NPPES

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

HEPATOLOGY AND GASTROENTEROLOGY ASSOCIATES INC (NPI 1902086374) is a healthcare organization registered as a gastroenterology in Petaluma, California and active in the NPI registry since November 2007. The organization lists Stephen Leo Steady, Md, as its authorized official.

NPPES Registry Identity

NPI1902086374
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameHEPATOLOGY AND GASTROENTEROLOGY ASSOCIATES INC
Location Address1383 N MCDOWELL BLVD, STE 110Petaluma, CA 94954-1190
Mailing Address1383 N Mcdowell Blvd, Ste 110Petaluma, CA 94954-1190 · (415) 668-9371 · Fax (415) 668-9191
Phone(707) 766-9852
Fax(707) 766-8431
Organization SubpartNo
Authorized OfficialStephen Leo SteadyMd · (707) 766-9852
Enumeration DateNovember 13, 2007
Last NPPES UpdateJanuary 20, 2016
✔ NPI 1902086374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CA · A44200
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1383 N MCDOWELL BLVD, Petaluma, CA 94954
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

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

NORTHERN CALIFORNIA MEDICAL ASSOC INC
Ophthalmology
1383 N MCDOWELL BLVD, STE 100
PETALUMA, CA 94954
Sonoma County (707) 763-6400
MARY M MARTINDALE NP
Nurse Practitioner (Family)
1383 N MCDOWELL BLVD
PETALUMA, CA 94954
Sonoma County (707) 308-2840
NORTH BAY ENDOSCOPY CENTER LLC
Clinic/Center (Ambulatory Surgical)
1383 N MCDOWELL BLVD
PETALUMA, CA 94954
Sonoma County (707) 938-9685
KENNETH MICHAEL PITERS M.D.
Anesthesiology
1383 N MCDOWELL BLVD
PETALUMA, CA 94954
Sonoma County (707) 544-7331
KIMBERLY J SOMMERHAUG NP, MSN
Nurse Practitioner (Family)
1383 N MCDOWELL BLVD, SUITE 110
PETALUMA, CA 94954
Sonoma County (707) 766-9852
EILER JOHN SOMMERHAUG M.D.
Surgery (Plastic and Reconstructive Surgery)
1383 N MCDOWELL BLVD, SUITE 110
PETALUMA, CA 94954
Sonoma County (707) 766-9852
STEPHEN J DENIGRIS MD
Internal Medicine (Gastroenterology)
1383 N MCDOWELL BLVD, STE110
PETALUMA, CA 94954
Sonoma County (707) 766-9852
STEPHEN DENIGRIS MD PHD
Internal Medicine (Gastroenterology)
1383 N MCDOWELL BLVD, STE 110
PETALUMA, CA 94954
Sonoma County (707) 766-9852

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 Hepatology And Gastroenterology Associates Inc's NPI number?

The NPI number for Hepatology And Gastroenterology Associates Inc is 1902086374. It was assigned to this organization in the NPPES registry on November 13, 2007.

Where is Hepatology And Gastroenterology Associates Inc located?

Hepatology And Gastroenterology Associates Inc is located at 1383 N Mcdowell Blvd Ste 110, Petaluma, CA 94954. The listed phone number is (707) 766-9852.

What is Hepatology And Gastroenterology Associates Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Hepatology And Gastroenterology Associates Inc was last updated on January 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.