Gregory T. Nassif, DDS
Dentist · Zachary, LA
Gregory T. Nassif, DDS is a dentist with a practice address in Zachary, Louisiana, and NPI 1952363186, issued on Apr 4, 2006. Check the license (Louisiana 5264, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory T. Nassif
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 5264 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2335 Church St, Zachary, LA 70791
- Phone
- (225) 654-6814
- Enumerated
- Apr 4, 2006
- Record last updated
- Oct 16, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (225) 654-7568
- Entity
- Type 1 · individual
8 nearest dentist records → All 898 in Louisiana → Look up another NPI →
Also registered at 2335 Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ryan Bozant, PTPhysical Therapist1215241591
- Sharon Brady, PTPhysical Therapist1508857921
- Maryann Brock, PTPhysical Therapist1306176409
- Bryan Chelette, PTPhysical Therapist1588654347
- Jennifer Cohn, PTPhysical Therapist1750454500
Verify Gregory T. Nassif in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 5264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average dentist in 2024
260 Medicare Part D claims for 137 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 47 claims were for opioids.
Most prescribed
- Penicillin V Potassium72 claims
- Chlorhexidine Gluconate44 claims
- Hydrocodone-Acetaminophen33 claims
- Amoxicillin24 claims
- Cephalexin14 claims
- Clindamycin Hcl14 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: $46.99
1 payment: gift; the largest payer was Ultradent Products Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
Gregory T. Nassif among 898 dentist records in Louisiana
Gregory T. Nassif, DDS is one of 898 dentist records with a practice address in Louisiana. 70% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 79% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 dentist records list a practice address in Zachary
They are 11 of the 494 NPPES records with a practice address in Zachary, and 898 dentist records in Louisiana.
All 898 in Louisiana → Every provider in Zachary → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- David Carter, DMDZachary, LA 707911285054841
- William Chakar, DDSZachary, LA 707911477145027
- Austin Chautin, DDSZachary, LA 707911417797648
- Sydney Duvall, DDSZachary, LA 707911134744782
- Shelly Fallin, DDSZachary, LA 707911962640425
- Joshua HellerZachary, LA 707911831847433
- Gia-Liem Hoang, DDSZachary, LA 707911740110535
- Salaam Khaled, DDSZachary, LA 707911891498440
Common questions
What is Gregory T. Nassif, DDS's NPI number?
Gregory T. Nassif, DDS's National Provider Identifier (NPI) is 1952363186, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory T. Nassif, DDS located?
The NPPES record lists a practice address at 2335 Church St, Zachary, LA, 70791. Phone: (225) 654-6814. Providers update this record themselves, so call before visiting.
How can I verify Gregory T. Nassif, DDS's license?
NPPES lists Louisiana license number 5264, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory T. Nassif, DDS prescribe under Medicare Part D?
In 2024, Gregory T. Nassif, DDS had 260 Medicare Part D claims for 137 beneficiaries; the average among dentist prescribers was 86. 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.