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DR. WILLIAM BRUCE O'BRYANT M.D.
NPI 1013041003
Internal Medicine in Cypress, CA

Active since March 14, 2007PECOS Enrolled
5757 PLAZA DR, MAIL STOP CA124-0142, CYPRESS, CA 90630(714) 226-6884(949) 588-1177 Get Directions Write a Review

NPPES record last updated: March 24, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William Bruce O'bryant M.d. NPPES

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

DR. WILLIAM BRUCE O'BRYANT M.D. (NPI 1013041003) is an individual internal medicine provider in Cypress, California, licensed in California (G42434) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013041003
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM BRUCE O'BRYANTCredential: M.D.
Location Address5757 PLAZA DR, MAIL STOP CA124-0142Cypress, CA 90630-5000
Mailing Address2300 Main St, Mail Stop Ca124-0142Irvine, CA 92614-6223 · (949) 632-4410
Phone(714) 226-6884
Fax(949) 588-1177
Sole ProprietorYes
Enumeration DateMarch 14, 2007
Last NPPES UpdateMarch 24, 2016
✔ NPI 1013041003 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · G42434✔ Licensed in CO · 41348
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
5757 PLAZA DR, Cypress, CA 90630
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Other Identifiers 1

Medicare UPINA48962CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Bruce O'bryant M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90630 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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.

DR. MINDY MYY NGUYEN PHARMD
Pharmacist
5757 PLAZA DR
CYPRESS, CA 90630
Orange County (714) 825-3669
KENNY KHUU PHARMD, RPH
Pharmacist
5757 PLAZA DR
CYPRESS, CA 90630
Orange County (612) 656-2153
DR. TRACEY NGO PHARMD
Pharmacist
5757 PLAZA DR
CYPRESS, CA 90630
Orange County (714) 825-3774
DR. MICHAEL PHILIPPS M.D.
Internal Medicine
5757 PLAZA DR
CYPRESS, CA 90630
Orange County (714) 226-6532
MR. DONALD SORIANO SORTONIS APRN
Nurse Practitioner
5757 PLAZA DR
CYPRESS, CA 90630
Orange County (505) 798-6248
ROCHELLE MORALDE NP
Nurse Practitioner (Family)
5757 PLAZA DR
CYPRESS, CA 90630
Orange County (916) 203-0312
DIANE BAYARD ARNP
Nurse Practitioner (Adult Health)
5757 PLAZA DR
CYPRESS, CA 90630
Orange County (305) 321-8206
JUDY S FUJIMOTO MD
Family Medicine
5757 PLAZA DR, MAIL STOP 930-1000
CYPRESS, CA 90630
Orange County (866) 633-2446

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 William O'bryant's NPI number?

The NPI number for William O'bryant is 1013041003. It was assigned to this individual provider in the NPPES registry on March 14, 2007.

Where is William O'bryant located?

William O'bryant practices at 5757 Plaza Dr Mail Stop Ca124-0142, Cypress, CA 90630. The listed phone number is (714) 226-6884.

What is William O'bryant's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William O'bryant enrolled in Medicare?

Yes. William O'bryant is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William O'bryant was last updated on March 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.