DR. GREGORY P HATZIS M.D., D.D.S.
NPI 1639274590
Dentist - Oral and Maxillofacial Surgery in Newark, NJ

Q: What is Gregory Hatzis's NPI number?

The NPI number for Gregory Hatzis is 1639274590. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Q: What is Gregory Hatzis's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Q: Is Gregory Hatzis enrolled in Medicare?

No. Gregory Hatzis has opted out of Medicare through February 19, 2028. 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.

Q: When was this NPI record last updated?

The NPPES record for Gregory Hatzis was last updated on July 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 14, 2006Opted out of Medicare · through Feb 19, 2028

110 BERGEN ST, RM B854, NEWARK, NJ 07103(973) 972-2444(973) 972-3689 Get Directions Write a Review

NPPES record last updated: July 9, 2016. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Dr. Gregory P Hatzis M.d., D.d.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY P HATZIS M.D., D.D.S. (NPI 1639274590) is an individual oral and maxillofacial surgery provider in Newark, New Jersey, licensed in New Jersey (22DI02319600) and active in the NPI registry since September 2006. He has opted out of Medicare through February 19, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1639274590

Entity TypeIndividualMale

Primary Taxonomy1223S0112X

Provider Legal NameDR. GREGORY P HATZISCredential: M.D., D.D.S.

Location Address110 BERGEN ST, RM B854Newark, NJ 07103-2495

Mailing Address110 Bergen St, Rm B854Newark, NJ 07103-2495 · (973) 972-2444 · Fax (973) 972-3689

Phone(973) 972-2444

Fax(973) 972-3689

Sole ProprietorYes

Enumeration DateSeptember 14, 2006

Last NPPES UpdateJuly 9, 2016

✔ NPI 1639274590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers

Taxonomy Code1223S0112X

Licenses✔ Licensed in NJ · 22DI02319600✔ Licensed in TX · 23172

Definition

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.

Also ListedOral & Maxillofacial SurgeryTaxonomy 204E00000X · License L9730 (TX)

110 BERGEN ST, Newark, NJ 07103

Open in Google Maps ↗

Other Identifiers 1

Other191226305TX · Medicaid (dental)

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. Gregory P Hatzis M.d., D.d.s. 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 February 19, 2016 through February 19, 2028.

Opt-Out Effective DateFebruary 19, 2016

Opt-Out In Effect ThroughFebruary 19, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$98.09 typical visit price

range $63.84 – $190.92

Typical copayment $24.52 (range $15.96 – $47.73)

Most-billed visit code 99203

Established Patient

$79.09 typical visit price

range $20.97 – $155.92

Typical copayment $19.77 (range $5.24 – $38.98)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEAH SOOYEON NAM DMD

Student in an Organized Health Care Education/Training Program

110 BERGEN ST
NEWARK, NJ 07103

Essex County (973) 972-9592

DR. THOMAS GREGORY KEELING D.M.D.

Student in an Organized Health Care Education/Training Program

110 BERGEN ST, C723
NEWARK, NJ 07103

Essex County (973) 972-4621

DR. CHERYL LYNN BIBER D.M.D.

Dentist (General Practice)

110 BERGEN ST, UMDNJ - NEW JERSEY DENTAL SCHOOL
NEWARK, NJ 07103

Essex County (973) 972-0833

KEVIN LE DDS

Student in an Organized Health Care Education/Training Program

110 BERGEN ST
NEWARK, NJ 07103

Essex County (973) 972-3126

DR. JULYANA GOMES ZAGURY DMD, MSD

Dentist (General Practice)

110 BERGEN ST, RM D860
NEWARK, NJ 07103

Essex County (973) 972-7210

CLAUDIA SOTO

Dentist (General Practice)

110 BERGEN ST
NEWARK, NJ 07103

Essex County (862) 245-1222

DR. STEVEN MARK BAUM

Dentist (Oral and Maxillofacial Surgery)

110 BERGEN ST, UMDNJ DS C-768
NEWARK, NJ 07103

Essex County (973) 972-4717

DR. REBECCA REED DMD

Dentist

110 BERGEN ST, SUITE 7700
NEWARK, NJ 07103

Essex County (972) 972-2444

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 Gregory Hatzis's NPI number?

The NPI number for Gregory Hatzis is 1639274590. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is Gregory Hatzis located?

Gregory Hatzis practices at 110 Bergen St Rm B854, Newark, NJ 07103. The listed phone number is (973) 972-2444.

What is Gregory Hatzis's specialty?

The primary specialty registered for this NPI is Dentist, specializing in Oral and Maxillofacial Surgery, with taxonomy code 1223S0112X.

Is Gregory Hatzis enrolled in Medicare?

No. Gregory Hatzis has opted out of Medicare through February 19, 2028. 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.

When was this NPI record last updated?

The NPPES record for Gregory Hatzis was last updated on July 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.