Dr. Gregory John Keiser
DMD | Oral and Maxillofacial Surgeon
290 Madison Avenue, Morristown
New Jersey, 07960
973-538-5338 973-538-5343
Maps & DirectionsDr. Gregory John Keiser is a Morristown, New Jersey based Oral and Maxillofacial Surgeon who is specialized in
Oral and Maxillofacial Surgery. He may accept the Medicare-approved amount. Patients may be billed for more than the Medicare deductible and coinsurance. His current practice location is
290 Madison Avenue, Morristown. Patients can reach him at
973-538-5338.
Dr. Gregory John Keiser deals with 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.
Complete Profile:
Dr. Gregory John Keiser speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Dr. Gregory John Keiser |
| Specialization: | Oral and Maxillofacial Surgeon |
| Gender: | Male |
| Credentials: | DMD |
| Accepts Medicare Assignment: | May Accept |
| Practice Address: | 290 Madison Avenue, Morristown,
New Jersey, 07960 |
| Phone: | 973-538-5338 |
| Fax: | 973-538-5343 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 4385992312 |
| Enrollment ID: | I20180807002353 |
| NPI Number: | 1306801006 |
| NPI Enumeration Date: | 18 Apr, 2006 |
| NPI Last Update On: | 23 Aug, 2019 |
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 25 Maureen Road,
East Hanover, New Jersey |
| Zip: | 07936 |
| Phone Number: | 973-515-9404 |
| Fax Number: | 973-538-5343 |
Patients can reach Dr. Gregory John Keiser at
290 Madison Avenue, Morristown, New Jersey or can
call to book an appointment on 973-538-5338.
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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on
08 December, 2025.