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WESTERN ACUTE CARE SURGEONS INC
NPI 1417581059
Surgery in San Bernardino, CA

Active since February 22, 2020
401 E HIGHLAND AVE STE 351, SAN BERNARDINO, CA 92404(909) 327-3288(801) 931-2044 Get Directions Write a Review

NPPES record last updated: October 7, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 7, 2024, Mar 5, 2020, Feb 22, 2020 (3 updates tracked since 2020).

About Western Acute Care Surgeons Inc NPPES

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

WESTERN ACUTE CARE SURGEONS INC (NPI 1417581059) is a healthcare organization registered as a surgery in San Bernardino, California and active in the NPI registry since February 2020. The organization maintains a secondary practice location in San Bernardino and lists Ruben Osorio, Director, as its authorized official.

NPPES Registry Identity

NPI1417581059
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameWESTERN ACUTE CARE SURGEONS INC
Location Address401 E HIGHLAND AVE STE 351San Bernardino, CA 92404-3830
Mailing Address967 Kendall Dr Ste A306San Bernardino, CA 92407-4306 · (888) 531-9625 · Fax (801) 931-2044
Phone(909) 327-3288
Fax(801) 931-2044
Organization SubpartNo
Authorized OfficialRuben OsorioDirector · (909) 327-3288
Enumeration DateFebruary 22, 2020
Last NPPES UpdateOctober 7, 20243 updates tracked since enumeration
NPPES CertifiedOctober 7, 2024
✔ NPI 1417581059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
401 E HIGHLAND AVE STE 351, San Bernardino, CA 92404
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Secondary Practice Location 1

Location 12101 N Waterman AveSan Bernardino, CA 92404-4836 · Phone (909) 327-3288 · Fax (801) 931-2044

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)

Western Acute Care Surgeons Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Western Acute Care Surgeons Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (5)

Douglas Krahn, M.D.
General Surgery
NPI 1922029677
401 E HIGHLAND AVE STE 252
San Bernardino, CA 92404
(909) 475-8611
✔ PECOS✔ Accepts MedicareSame address
Ruben Osorio, MD
General Surgery
NPI 1073696845
399 E HIGHLAND AVE STE 319
San Bernardino, CA 92404
(909) 881-7200
✔ PECOSSame address
Martin Perez, M.D.
General Surgery
NPI 1447552054
7117 BROCKTON AVE
Riverside, CA 92506
(951) 782-3650
✔ PECOS✔ Accepts Medicare15 mi
Aaron Lee, DO
General Surgery
NPI 1114246568
7111 INDIANA AVE STE 100
Riverside, CA 92504
(951) 276-9012
✔ PECOS✔ Accepts Medicare15 mi
Stephen Dada, M.D.
General Surgery
NPI 1710040605
36320 INLAND VALLEY DR. SUITE 101A
Wildomar, CA 92595
(951) 698-3000
✔ PECOS✔ Accepts Medicare38 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 Western Acute Care Surgeons Inc's NPI number?

The NPI number for Western Acute Care Surgeons Inc is 1417581059. It was assigned to this organization in the NPPES registry on February 22, 2020.

Where is Western Acute Care Surgeons Inc located?

Western Acute Care Surgeons Inc is located at 401 E Highland Ave Ste 351, San Bernardino, CA 92404. The listed phone number is (909) 327-3288.

What is Western Acute Care Surgeons Inc's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Western Acute Care Surgeons Inc enrolled in Medicare?

Yes. Western Acute Care Surgeons Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Western Acute Care Surgeons Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in General Surgery, reassign their Medicare billing to Western Acute Care Surgeons 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, 2 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 Western Acute Care Surgeons Inc was last updated on October 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.