Gregory Hatzis, M.D., D.D.S.
NPI 1639274590 · Oral and Maxillofacial Surgery (Dentist) · Newark, NJ
Gregory Hatzis, M.D., D.D.S. is a Oral and Maxillofacial Surgery (Dentist) provider in Newark, NJ (NPI 1639274590).
Provider details
- NPI number
- 1639274590
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Surgery (Dentist)Dental Providers
- Credential
- M.D., D.D.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- L9730 (TX)
Specialties & taxonomies
Dental Providers
Allopathic & Osteopathic Physicians
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2016-07-09
Frequently asked questions
- What is Gregory Hatzis's NPI number?
- Gregory Hatzis's National Provider Identifier (NPI) is 1639274590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Hatzis's specialty?
- Gregory Hatzis is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Surgery (Dentist) (Dental Providers).
- Where is Gregory Hatzis located?
- Gregory Hatzis's practice location on file with NPPES is 110 Bergen St, Newark, NJ 07103-2495.
- What is Gregory Hatzis's phone number?
- The practice phone number listed in the NPPES registry for Gregory Hatzis is (973) 972-2444.
- Is Gregory Hatzis's NPI active?
- Yes — Gregory Hatzis's NPI (1639274590) is active in the NPPES registry as of the last update on 2016-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.