James B. Mazock, DMD
Oral and Maxillofacial Surgery (Dentist) · Castroville, TX
James B. Mazock, DMD is an oral and maxillofacial surgery (dentist) with a practice address in Castroville, Texas, and NPI 1801875836, issued on Jan 10, 2006. Check the license (Texas 19367, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James B. Mazock
- Credential
- DMD
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 19367 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1014 Paris St Ste A, Castroville, TX 78009
- Phone
- (210) 444-9312
- Enumerated
- Jan 10, 2006
- Record last updated
- Dec 29, 2025
- Fax
- (210) 444-9315
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 601 in Texas → Look up another NPI →
Also registered at 1014 Paris St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manuel Sanchez, PTPhysical Therapist1831332162
Verify James B. Mazock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 19367Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
570 Medicare Part D claims for 201 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. 123 claims were for opioids.
Most prescribed
- Amoxicillin174 claims
- Naproxen141 claims
- Tramadol Hcl105 claims
- Chlorhexidine Gluconate57 claims
- Azithromycin40 claims
- Hydrocodone-Acetaminophen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $17.56
1 payment: food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 4,075 providers of this specialty with any payment received $1,077.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James B. Mazock among 601 oral and maxillofacial surgery (dentist) records in Texas
James B. Mazock, DMD is one of 601 oral and maxillofacial surgery (dentist) records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 16% of these records are
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Texas
There are 601 oral and maxillofacial surgery (dentist) records in Texas.
All 601 in Texas → Every provider in Castroville → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Scott Sachs, DDSKerrville, TX 780281174539175
- Louis Garcia, DDSLaredo, TX 780401689725384
- Matthew Bayless, DDSSpring Branch, TX 780701215035571
- Carlos MoralesZapata, TX 780761649287434
- Gary Fries, D.D.S.Victoria, TX 779041396894515
- Gary Barr, D.M.D.New Braunfels, TX 781301073522173
- James Gossett, DDSNew Braunfels, TX 781321215943741
- Jeffrey MosesNew Braunfels, TX 781321245833128
Common questions
What is James B. Mazock, DMD's NPI number?
James B. Mazock, DMD's National Provider Identifier (NPI) is 1801875836, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James B. Mazock, DMD located?
The NPPES record lists a practice address at 1014 Paris St Ste A, Castroville, TX, 78009. Phone: (210) 444-9312. Providers update this record themselves, so call before visiting.
How can I verify James B. Mazock, DMD's license?
NPPES lists Texas license number 19367, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does James B. Mazock, DMD prescribe under Medicare Part D?
In 2024, James B. Mazock, DMD had 570 Medicare Part D claims for 201 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.