John Guariglia, DDS
NPI 1891779278 · Oral and Maxillofacial Surgery (Dentist) · Brentwood, NY
Enrolled with Medicare as Order and Referring Only - Oral Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Guariglia, DDS is a Oral and Maxillofacial Surgery (Dentist) provider in Brentwood, NY (NPI 1891779278).
Provider details
- NPI number
- 1891779278
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- DDS
- Sex
- Male
- License
- 042338 (NY)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 122 | 104 |
| Amoxicillin | 106 | 83 |
| Tramadol Hcl | 59 | 56 |
| Penicillin V Potassium | 55 | 44 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 35 | 32 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 29 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$179 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Guariglia's NPI number?
- John Guariglia's National Provider Identifier (NPI) is 1891779278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Guariglia's specialty?
- John Guariglia is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is John Guariglia located?
- John Guariglia's practice location on file with NPPES is 601 Suffolk Avenue, Brentwood, NY 11717.
- What is John Guariglia's phone number?
- The practice phone number listed in the NPPES registry for John Guariglia is (631) 273-4888.
- Does John Guariglia accept Medicare?
- John Guariglia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Guariglia's NPI active?
- Yes — John Guariglia's NPI (1891779278) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.