Gregory John Keiser, DMD
- Part D claims, 2024
- 195
- Industry payments
- $424
- Affiliated sites
- 2
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 290 Madison Ave, Morristown, NJ 07960-7400
- Practice phone
- Call (973) 538-5338
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Morristown Oral & Maxillofacial Surgery Associates
Dental practice · Morristown, New Jersey
Find Gregory Keiser's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gregory John Keiser is an oral and maxillofacial surgery (dentist) in Cherry Hill, New Jersey
Gregory Keiser practices at Morristown Oral & Maxillofacial Surgery Associates in Morristown, New Jersey.
Gregory Keiser's NPI, 1306801006, was assigned on April 18, 2006. Gregory Keiser holds Pennsylvania license DS026629L.
- NPI
- 1306801006NPI Registry (opens in a new tab)
- NPI enumeration date
- April 18, 2006
- NPI status
- Active
- Practice phone
- (973) 538-5338
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory John Keiser practices in Morristown and Cherry Hill
Gregory Keiser's primary practice is Morristown Oral & Maxillofacial Surgery Associates, at 290 Madison Ave, Morristown, NJ 07960-7400. The practice phone is (973) 538-5338. The NPI Registry lists Gregory Keiser's practice address as 17 W Ormond Ave, Cherry Hill, NJ 08002.
- Morristown Oral & Maxillofacial Surgery AssociatesPrimary290 Madison Ave, Morristown, NJ 07960-7400Phone(973) 538-5338
- NPI Registry address17 W Ormond Ave, Cherry Hill, NJ 08002 · Camden County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Gregory John Keiser is affiliated with 2 sites of care and 2 medical groups
Gregory Keiser's primary practice is Morristown Oral & Maxillofacial Surgery Associates in Morristown, New Jersey. Dmand AI also links Gregory Keiser to 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Gregory John Keiser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Keiser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Morristown Oral & Maxillofacial Surgery Associates | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory John Keiser is one of 204 orals and maxillofacial surgery (dentist)s in New Jersey
Oral and maxillofacial surgery is Gregory Keiser's primary specialty in the NPI Registry, under taxonomy code 1223S0112X. Dmand AI has Gregory Keiser's licenses on file in 2 states: Pennsylvania and New Jersey.
Specialties and state licenses
- Oral and maxillofacial surgery (dentist), PennsylvaniaPrimary
- New Jersey license
Orals and maxillofacial surgery (dentist)s near Gregory Keiser
Counts of orals and maxillofacial surgery (dentist)s with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gregory John Keiser's patients have a median age of 83
Across all payers, Dmand AI patient panel data puts Gregory Keiser's median patient age at 83, with 100% women.
Gregory Keiser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 83
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Gregory John Keiser wrote 195 Medicare Part D claims in 2024
In 2024, Gregory Keiser wrote 195 Medicare Part D claims for 87 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Gregory Keiser's Part D claims, 2024
- Opioids18%36 of 195 claims
- Antibiotics47%92 of 195 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Gregory John Keiser received $424 in industry payments in 2025
CMS Open Payments shows 10 general payments to Gregory Keiser from 1 drug or device company in 2025. Food and beverage make up the largest share, 74% of the total. Zimvie Inc. paid the most, $424.
General payments to Gregory Keiser by kind, 2025 to 2025
- Food and beverage$31474%
- Travel and lodging$11026%
Companies that paid Gregory Keiser the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gregory John Keiser's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gregory John Keiser
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory John Keiser's NPI number?
Gregory John Keiser's NPI number is 1306801006. It was assigned on April 18, 2006, and it is active in the NPI Registry.
What does Gregory John Keiser specialize in?
Gregory John Keiser is an oral and maxillofacial surgery (dentist) in Cherry Hill, New Jersey. The primary specialty in the NPI Registry is Oral and Maxillofacial Surgery (Dentist) (taxonomy code 1223S0112X).
Where does Gregory John Keiser practice?
Gregory Keiser practices at 290 Madison Ave, Morristown, NJ 07960-7400. Gregory Keiser also practices at 17 W Ormond Ave, Cherry Hill, NJ 08002. Gregory Keiser's primary practice is Morristown Oral & Maxillofacial Surgery Associates in Morristown, New Jersey. Dmand AI also links Gregory Keiser to 2 medical groups and 1 group practice or clinic.
What is Gregory John Keiser's office phone number?
The practice phone on file for Gregory Keiser is (973) 538-5338.
What is Gregory John Keiser's medical license number?
Gregory Keiser holds Pennsylvania license DS026629L, one of the licenses on file in 2 states.
Which states has Gregory John Keiser been licensed in?
Dmand AI has state licenses on file for Gregory Keiser in Pennsylvania and New Jersey.
Has Gregory John Keiser received payments from drug or device companies?
CMS Open Payments shows $424 in general payments to Gregory Keiser from 1 company from 2025 to 2025. The largest total came from Zimvie Inc.
How long has Gregory John Keiser been practicing?
Gregory Keiser's NPI was assigned in 2006.
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