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CORVALLIS GASTROENTEROLOGY PC
NPI 1124075627
Specialist in Corvallis, OR

Active since May 28, 2006
3521 NW SAMARITAN DR, SUITE 101, CORVALLIS, OR 97330(541) 768-6119(541) 768-6120 Get Directions Write a Review

NPPES record last updated: October 9, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Corvallis Gastroenterology Pc NPPES

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

CORVALLIS GASTROENTEROLOGY PC (NPI 1124075627) is a healthcare organization registered as a specialist in Corvallis, Oregon and active in the NPI registry since May 2006. The organization lists Surinder Mohan Vasdev, President, as its authorized official.

NPPES Registry Identity

NPI1124075627
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameCORVALLIS GASTROENTEROLOGY PC
Location Address3521 NW SAMARITAN DR, SUITE 101Corvallis, OR 97330-4744
Mailing Address3521 Nw Samaritan Dr, Suite 101Corvallis, OR 97330-4744 · (541) 768-6119 · Fax (541) 768-6120
Phone(541) 768-6119
Fax(541) 768-6120
Organization SubpartNo
Authorized OfficialSurinder Mohan VasdevPresident · (541) 768-6116
Enumeration DateMay 28, 2006
Last NPPES UpdateOctober 9, 2012
✔ NPI 1124075627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3521 NW SAMARITAN DR, Corvallis, OR 97330
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Other Identifiers 2

Medicare PIN112083OR
Medicaid240038OR

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 SINGLE 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)

Corvallis Gastroenterology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Corvallis Gastroenterology PC, which bills Medicare for the services they deliver. Of these, 6 practice at this address. They are listed nearest first.

Clinicians by Medicare Specialty 3

Gastroenterology8
Nurse Practitioner3
Internal Medicine1

Clinicians, nearest first (12)

Surinder Vasdev, MD
Gastroenterology
NPI 1093893554
3521 NW SAMARITAN DR STE 101
Corvallis, OR 97330
(541) 768-6119
✔ PECOS✔ Accepts MedicareSame address
Keith Harris, MD
Gastroenterology
NPI 1538235726
3521 NW SAMARITAN DR STE 101
Corvallis, OR 97330
(541) 768-6119
✔ PECOS✔ Accepts MedicareSame address
Chad Morse, M.D.
Gastroenterology
NPI 1588794135
3521 NW SAMARITAN DR STE 101
Corvallis, OR 97330
(541) 768-6119
✔ PECOS✔ Accepts MedicareSame address
Gregory Schwartz, MD
Gastroenterology
NPI 1760423289
3521 NW SAMARITAN DR SUITE 101
Corvallis, OR 97330
(541) 768-6119
✔ PECOS✔ Accepts MedicareSame address
Matthew Walton, M.D.
Gastroenterology
NPI 1952497737
3521 NW SAMARITAN DR SUITE 101
Corvallis, OR 97330
(541) 768-6119
✔ PECOS✔ Accepts MedicareSame address
Hsichao Chow, MD
Gastroenterology
NPI 1356431464
3521 NW SAMARITAN DR STE 101
Corvallis, OR 97330
(541) 768-6119
✔ PECOS✔ Accepts MedicareSame address
Ryan De Lee, MD
Gastroenterology
NPI 1104920693
3355 RIVERBEND DR STE 500
Springfield, OR 97477
(541) 868-9500
✔ PECOS✔ Accepts Medicare38 mi
Anne Breitinger, MD
Gastroenterology
NPI 1871772442
10150 SE 32ND AVE
Milwaukie, OR 97222
(503) 215-5895
✔ PECOS✔ Accepts Medicare66 mi
Jonathan Hattenhauer, D.O.
Internal Medicine
NPI 1013302348
10150 SE 32ND AVE
Milwaukie, OR 97222
(503) 215-5895
✔ PECOS✔ Accepts Medicare66 mi
Craig Ferguson, ARNP
Nurse Practitioner
NPI 1477717130
2200 NE NEFF RD STE 302
Bend, OR 97701
(541) 706-4220
✔ PECOS✔ Accepts Medicare105 mi
Michelle Wolf, ARNP
Nurse Practitioner
NPI 1841921277
2202 S CEDAR ST STE 330
Tacoma, WA 98405
(253) 272-5127
✔ PECOS✔ Accepts Medicare186 mi
Gail Pearson, NP
Nurse Practitioner
NPI 1164551214
1135 116TH AVE NE STE 560
Bellevue, WA 98004
(253) 272-5127
✔ PECOS✔ Accepts Medicare215 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 Corvallis Gastroenterology PC's NPI number?

The NPI number for Corvallis Gastroenterology PC is 1124075627. It was assigned to this organization in the NPPES registry on May 28, 2006.

Where is Corvallis Gastroenterology PC located?

Corvallis Gastroenterology PC is located at 3521 NW Samaritan Dr Suite 101, Corvallis, OR 97330. The listed phone number is (541) 768-6119.

What is Corvallis Gastroenterology PC's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Corvallis Gastroenterology PC enrolled in Medicare?

Yes. Corvallis Gastroenterology PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Corvallis Gastroenterology PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 3 Medicare specialties reassign their Medicare billing to Corvallis Gastroenterology PC. 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. The largest specialties are Gastroenterology (8), Nurse Practitioner (3) and Internal Medicine (1). Of these, 6 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 Corvallis Gastroenterology PC was last updated on October 9, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.