CENTRAL VALLEY GASTROENTEROLOGY ASSOCIATES, INC
NPI 1659531317
Internal Medicine - Gastroenterology in Turlock, CA

Q: What is Central Valley Gastroenterology Associates, Inc's specialty?

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

Active since June 16, 2008

981 E TUOLUMNE RD, SUITE 106, TURLOCK, CA 95382(209) 656-6800(209) 656-6828 Get Directions Write a Review

NPPES record last updated: June 16, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Central Valley Gastroenterology Associates, Inc NPPES

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

CENTRAL VALLEY GASTROENTEROLOGY ASSOCIATES, INC (NPI 1659531317) is a healthcare organization registered as a gastroenterology in Turlock, California and active in the NPI registry since June 2008. The organization lists Gurpreet Singh, Doctor, as its authorized official.

NPPES Registry Identity

NPI1659531317

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameCENTRAL VALLEY GASTROENTEROLOGY ASSOCIATES, INC

Location Address981 E TUOLUMNE RD, SUITE 106Turlock, CA 95382-1544

Mailing Address981 E Tuolumne Rd, Suite 106Turlock, CA 95382-1544 · (209) 656-6800 · Fax (209) 656-6828

Phone(209) 656-6800

Fax(209) 656-6828

Organization SubpartNo

Authorized OfficialGurpreet SinghDoctor · (732) 895-9543

Enumeration DateJune 16, 2008

✔ NPI 1659531317 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 · A102350

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.

981 E TUOLUMNE RD, Turlock, CA 95382

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Central Valley Gastroenterology Associates, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Central Valley Gastroenterology Associates, Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Gurpreet Randhawa, MD

Gastroenterology

NPI 1194780999

981 E TUOLUMNE RD SUITE 106
Turlock, CA 95382

(209) 656-6800

✔ PECOSSame address

Keith Leibowitz, MD

Gastroenterology

NPI 1083689335

700 17TH ST STE 102
Modesto, CA 95354

(209) 522-6100

✔ PECOS✔ Accepts Medicare12 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Central Valley Gastroenterology Associates, Inc's NPI number?

The NPI number for Central Valley Gastroenterology Associates, Inc is 1659531317. It was assigned to this organization in the NPPES registry on June 16, 2008.

Where is Central Valley Gastroenterology Associates, Inc located?

Central Valley Gastroenterology Associates, Inc is located at 981 E Tuolumne Rd Suite 106, Turlock, CA 95382. The listed phone number is (209) 656-6800.

What is Central Valley Gastroenterology Associates, Inc's specialty?

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

Is Central Valley Gastroenterology Associates, Inc enrolled in Medicare?

Yes. Central Valley Gastroenterology Associates, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Central Valley Gastroenterology Associates, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Gastroenterology, reassign their Medicare billing to Central Valley Gastroenterology Associates, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Central Valley Gastroenterology Associates, Inc was last updated on June 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.