Gianmarco O'brien, D.D.S

ActiveIndividual ProviderDentistry
NPI issued: October 20, 2007

Quick Facts

NPI Number
1336338847
TypeIndividual
StatusActive
SpecialtyDentistry
Taxonomy1223P0700X — Dentistry
Phone
(714) 953-1000
StateCA

NPI Validation Status: Verified

✅Valid 10-digit NPI number (1336338847)
✅Active status confirmed
✅Verified by CMS NPPES Registry
✅HIPAA compliant identifier
✅Enumeration date on file (October 20, 2007)
Data source: CMS NPPES

Provider Overview

GIANMARCO O'BRIEN, D.D.S is a Dentistry provider based in Orange, CA who has been registered with CMS since 2007. This NPI is currently Active under CMS NPPES registry.

Provider Details

NPI Number1336338847
Provider TypeIndividual Provider
GenderMale
CredentialD.D.S
StatusActive
Enumeration DateOctober 20, 2007

Practice Location

CityOrange
StateCA
ZIP Code92868-4223
Phone(714) 953-1000

Specialties & Licenses

★ Primary
SpecialtyDentistry
Taxonomy Code1223P0700X
License StateCA

Mailing Address

CityOrange
StateCA
ZIP Code92868-4223
Phone(714) 953-1000
Same as practice location

How to Use This NPI

📋

For Insurance Billing

Use NPI 1336338847 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.

🏥

For Credentialing

Reference NPI 1336338847for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.

👤

For Patients

Share NPI 1336338847 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.

About Dentistry

Specialists in Dentistry provide expert clinical care within their specific domain, focusing on the diagnosis, treatment, and management of conditions relevant to their field of practice.

Browse all Dentistryproviders →
📊
4,366
Dentistry Providers in the US

Similar Providers in Orange

Mark George, D.D.S

📍 Orange, CA 92868-4227

Carlos Munoz, DDS

📍 Orange, CA 92869-4369

David Guichet, D.D.S

📍 Orange, CA 92868-3837

Gregory Guichet, D.D.S

📍 Orange, CA 92868-3837

Guichet & Guichet, Dds, Inc.

📍 Orange, CA 92868-3854

Zahra Hashemi, D.D.S., M.S

📍 Orange, CA 92868-3854

Other Healthcare Providers in Orange

Gregory Buchert, M.D

Pediatrics

Amir Seifi, P.A

Specialty not listed

Town Of Orange

Specialty not listed

Michael Gillman, M.D

Orthopedic Surgery

Steven Ross, M.D

Orthopedic Surgery

Ann Walker, M.A., CGC

Specialty not listed

Other Dentistry Providers in California

Mark George, D.D.S

NPI: 1225031735📍 Orange

Howard Eagle, D.D.S

NPI: 1043215031📍 Chula Vista

Lyndon Brown, D.D.S

NPI: 1972509354📍 Cardiff By The Sea

University California Davis Medical Center, University Dental Assoc

NPI: 1316944465📍 Sacramento

Nelson Lowe, D.D.S

NPI: 1710985031📍 Santa Ana

Steven Curtis, DDS

NPI: 1942292347📍 Petaluma
View all Dentistry providers in California→

People Also Ask

What is Gianmarco O'brien's NPI number?
Gianmarco O'brien's NPI number is 1336338847, a unique 10-digit identifier issued by the Centers for Medicare & Medicaid Services (CMS).
Is Gianmarco O'brien's NPI currently active?
Yes, Gianmarco O'brien's NPI status is Active as of the latest CMS NPPES database updates.
What does Gianmarco O'brien specialize in?
Gianmarco O'brien specializes in Dentistry. The healthcare taxonomy code associated with this specialty is 1223P0700X.
Where does Gianmarco O'brien practice?
Gianmarco O'brien practices in Orange, CA 92868-4223.
When was Gianmarco O'brien's NPI issued?
Gianmarco O'brien's NPI was issued on October 20, 2007.
What is Gianmarco O'brien's provider type?
Gianmarco O'brien is registered as an Individual Provider under CMS NPI Type 1.