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HARRY W OU MD INC
NPI 1962799882
Surgery in Chino, CA

Active since June 29, 2011
13768 ROSWELL AVE, SUITE 218, CHINO, CA 91710(909) 464-9119(909) 464-2201 Get Directions Write a Review

NPPES record last updated: June 29, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Harry W Ou Md Inc NPPES

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

HARRY W OU MD INC (NPI 1962799882) is a healthcare organization registered as a surgery in Chino, California and active in the NPI registry since June 2011. The organization lists Harry W Ou, President, as its authorized official.

NPPES Registry Identity

NPI1962799882
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameHARRY W OU MD INC
Location Address13768 ROSWELL AVE, SUITE 218Chino, CA 91710-1407
Mailing Address13768 Roswell Ave, Suite 218Chino, CA 91710-1407 · (909) 464-9119 · Fax (909) 464-2201
Phone(909) 464-9119
Fax(909) 464-2201
Organization SubpartNo
Authorized OfficialHarry W OuPresident · (909) 464-9119
Enumeration DateJune 29, 2011
✔ NPI 1962799882 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.
13768 ROSWELL AVE, Chino, CA 91710
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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 SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Harry W Ou Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by December 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20110804000415Non-DME Part B · Clinic/Group PracticeDue dateDecember 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Harry W Ou MD 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)

Alana Harrison, DO
General Surgery
NPI 1417392523
13768 ROSWELL AVE SUITE 218
Chino, CA 91710
(909) 464-9119
✔ PECOSSame address
Harry Ou, M.D.
General Surgery
NPI 1750569356
11234 ANDERSON STREET LLUMC, HOUSE STAFF OFFICE CP 21005
Loma Linda, CA 92354
(909) 618-8848
✔ PECOS✔ Accepts Medicare27 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 Harry W Ou MD Inc's NPI number?

The NPI number for Harry W Ou MD Inc is 1962799882. It was assigned to this organization in the NPPES registry on June 29, 2011.

Where is Harry W Ou MD Inc located?

Harry W Ou MD Inc is located at 13768 Roswell Ave Suite 218, Chino, CA 91710. The listed phone number is (909) 464-9119.

What is Harry W Ou MD Inc's specialty?

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

Is Harry W Ou MD Inc enrolled in Medicare?

Yes. Harry W Ou MD Inc is registered in the Medicare PECOS enrollment system.

When is Harry W Ou MD Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Harry W Ou MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in General Surgery, reassign their Medicare billing to Harry W Ou MD 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 Harry W Ou MD Inc was last updated on June 29, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.