1. Home
  2. Directory
  3. California
  4. Loma Linda
  5. Surgery
  6. NPI Profile

DR. HARRY WILLIAM OU M.D.
NPI 1750569356
Surgery in Loma Linda, CA

Active since February 06, 2008PECOS EnrolledAccepts Medicare Assignment
11234 ANDERSON STREET, LLUMC, HOUSE STAFF OFFICE CP 21005, LOMA LINDA, CA 92354(909) 618-8848 Get Directions Write a Review

NPPES record last updated: February 6, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Harry William Ou M.d. NPPES

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

DR. HARRY WILLIAM OU M.D. (NPI 1750569356) is an individual surgery provider in Loma Linda, California, licensed in California (A97115) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2005).

NPPES Registry Identity

NPI1750569356
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. HARRY WILLIAM OUCredential: M.D.
Location Address11234 ANDERSON STREET, LLUMC, HOUSE STAFF OFFICE CP 21005Loma Linda, CA 92354
Mailing Address11234 Anderson Street, Llumc, House Staff Office Cp 21005Loma Linda, CA 92354 · (909) 618-8848
Phone(909) 618-8848
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2005
Enumeration DateFebruary 6, 2008
✔ NPI 1750569356 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A97115
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.
11234 ANDERSON STREET, Loma Linda, CA 92354
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Harry William Ou M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870762099
PECOS Enrollment IDI20110804000603
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Harry Ou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Harry W Ou MD Inc
27 mi
Surgery
13768 ROSWELL AVE, SUITE 218
Chino, CA 91710
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1962799882 (909) 464-9119

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
71 services45 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
58 services58 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
23 services23 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
22 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92354 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

ABHISHEK JAY DHARAN MD
Student in an Organized Health Care Education/Training Program
11234 ANDERSON STREET, GME OFFICE WESTERLY SUITE C
LOMA LINDA, CA 92354
San Bernardino County (909) 558-6491
RACHEL ELIZABETH GELFOND DAVIDGE D.O.
Pediatrics
11234 ANDERSON STREET, LOMA LINDA UNIVERSITY HEALTH, GENERAL PEDIATRICS
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4174
DR. KRISTINA KYLE M.D.
Emergency Medicine
11234 ANDERSON STREET, LOMA LINDA UNIVERSITY HEALTH - EMERGENCY MEDICINE
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4085
DOUGLAS WANG
Internal Medicine
11234 ANDERSON STREET, GME OFFICE WESTERLY SUITE C
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4174
FARAH SHAKER ABED ABUAZZAM
Student in an Organized Health Care Education/Training Program
11234 ANDERSON STREET
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4911
DR. JOSHUA STUART MACLAUGHLAN MD
Radiology (Diagnostic Radiology)
11234 ANDERSON STREET
LOMA LINDA, CA 92354
San Bernardino County (909) 558-7814
YURI JIN
Emergency Medicine
11234 ANDERSON STREET, EMERGENCY MEDICINE
LOMA LINDA, CA 92354
San Bernardino County (909) 558-4085
SHELDON VOGT
Student in an Organized Health Care Education/Training Program
11234 ANDERSON STREET, LOMA LINDA UNIVERSITY HEALTH-SURGERY
LOMA LINDA, CA 92354
San Bernardino County (909) 558-2822

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 Ou's NPI number?

The NPI number for Harry Ou is 1750569356. It was assigned to this individual provider in the NPPES registry on February 6, 2008.

Where is Harry Ou located?

Harry Ou practices at 11234 Anderson Street Llumc, House Staff Office Cp 21005, Loma Linda, CA 92354. The listed phone number is (909) 618-8848.

What is Harry Ou's specialty?

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

Is Harry Ou enrolled in Medicare?

Yes. Harry Ou is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Harry Ou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Harry Ou reassigns Medicare benefits to Harry W Ou MD Inc (Chino, CA). The 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 Harry Ou's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Harry Ou was last updated on February 6, 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.