DR. JAMES B. MAZOCK DMD
NPI 1801875836
Dentist - Oral and Maxillofacial Surgery in Castroville, TX
About Dr. James B. Mazock Dmd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES B. MAZOCK DMD (NPI 1801875836) is an individual oral and maxillofacial surgery provider in Castroville, Texas, licensed in Texas (19367) and active in the NPI registry since January 2006. He has opted out of Medicare through August 2, 2027 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses
An oral and maxillofacial surgery dentist specialized in the diagnosis, surgical and adjunctive treatment of diseases, injuries and defects involving both the functional and esthetic aspects of the hard and soft tissues of the oral and maxillofacial region.
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Dr. James B. Mazock Dmd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from August 2, 2011 through August 2, 2027.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78009 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CASTROVILLE, TX 78009
CASTROVILLE, TX 78009
CASTROVILLE, TX 78009
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 James Mazock's NPI number?
The NPI number for James Mazock is 1801875836. It was assigned to this individual provider in the NPPES registry on January 10, 2006.
Where is James Mazock located?
James Mazock practices at 1014 Paris St Ste A, Castroville, TX 78009. The listed phone number is (210) 444-9312.
What is James Mazock's specialty?
The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.
Is James Mazock enrolled in Medicare?
No. James Mazock has opted out of Medicare through August 2, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
What insurance does James Mazock accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 11 other insurers list James Mazock as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Mazock was last updated on December 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
