DR. GREGORY JOHN KEISER DMD
NPI 1306801006
Dentist - Oral and Maxillofacial Surgery in Morristown, NJ

Active since April 18, 2006
290 MADISON AVENUE, MORRISTOWN, NJ 07960(973) 538-5338(973) 538-5343 Get Directions Write a Review

NPPES record last updated: August 23, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Gregory John Keiser Dmd NPPES

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

DR. GREGORY JOHN KEISER DMD (NPI 1306801006) is an individual oral and maxillofacial surgery provider in Morristown, New Jersey, licensed in Pennsylvania (DS026629L) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1306801006
Entity TypeIndividualMale
Primary Taxonomy1223S0112X
Provider Legal NameDR. GREGORY JOHN KEISERCredential: DMD
Location Address290 MADISON AVENUEMorristown, NJ 07960
Mailing Address25 Maureen RoadEast Hanover, NJ 07936 · (973) 515-9404 · Fax (973) 538-5343
Fax(973) 538-5343
Sole ProprietorYes
Enumeration DateApril 18, 2006
Last NPPES UpdateAugust 23, 2019
NPI 1306801006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · Oral and Maxillofacial SurgeryDental Providers
Taxonomy Code1223S0112X
Licenses Licensed in PA · DS026629L Licensed in NJ · 16833
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.
290 MADISON AVENUE, Morristown, NJ 07960

Accepted Insurance

Other Providers at the Same Location NPPES 3

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

Dentist (General Practice)
290 MADISON AVENUE, BLDG. 1-B
MORRISTOWN, NJ 07960
Dentist (General Practice)
290 MADISON AVENUE, BLDG 1-B
MORRISTOWN, NJ 07960
Dentist (General Practice)
290 MADISON AVENUE, BLDG. 1-B
MORRISTOWN, NJ 07960

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 Keiser's NPI number?

The NPI number for Gregory Keiser is 1306801006. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is Gregory Keiser located?

Gregory Keiser practices at 290 Madison Avenue, Morristown, NJ 07960. The listed phone number is (973) 538-5338.

What is Gregory Keiser's specialty?

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

What insurance does Gregory Keiser accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas, HRI Dental & Vision and Humana and 2 other insurers list Gregory Keiser as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Keiser was last updated on August 23, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.