Gregory George Long, DDS
- Affiliated sites
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 1850 Spring Ridge Drive, Susanville, CA 96130
- Practice phone
- Call (916) 257-5563
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northeastern Health Center - Susanville
FQHC - Main Site · Susanville, California
Find Gregory Long'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 George Long is a dentist in Susanville, California
Gregory Long practices at Northeastern Health Center - Susanville in Susanville, California.
Gregory Long's NPI, 1124376660, was assigned on August 15, 2012. Gregory Long holds California license 21475.
- NPI
- 1124376660NPI Registry (opens in a new tab)
- NPI enumeration date
- August 15, 2012
- NPI status
- Active
- Practice phone
- (916) 257-5563
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gregory George Long practices at Northeastern Health Center - Susanville in Susanville, California
Gregory Long's primary practice is Northeastern Health Center - Susanville, at 1850 Spring Ridge Drive, Susanville, CA 96130 in Lassen County. The practice phone is (916) 257-5563.
- Northeastern Health Center - Susanville1850 Spring Ridge Drive, Susanville, CA 96130 · Lassen CountyPhone(916) 257-5563
Source: Dmand AI Affiliation Data
Gregory George Long is affiliated with 3 sites of care and 1 medical group
Gregory Long's primary practice is Northeastern Health Center - Susanville in Susanville, California. Dmand AI also links Gregory Long to 2 community health centers and 1 medical group, each named with a free account. Gregory Long's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory George Long's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Long practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northeastern Health Center - Susanville | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory George Long is one of 6,282 dentists in California
Dentist is Gregory Long's primary specialty in the NPI Registry, under taxonomy code 122300000X. Gregory Long is licensed in California.
Specialties and state licenses
- Dentist, CaliforniaPrimary
Dentists near Gregory Long
Counts of dentists 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 George Long's patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Gregory Long's median patient age at 35, with 56% women.
Gregory Long's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Sources for Gregory George Long'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 George Long
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 George Long's NPI number?
Gregory George Long's NPI number is 1124376660. It was assigned on August 15, 2012, and it is active in the NPI Registry.
What does Gregory George Long specialize in?
Gregory George Long is a dentist in Susanville, California. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Gregory George Long practice?
Gregory Long practices at 1850 Spring Ridge Drive, Susanville, CA 96130. Gregory Long's primary practice is Northeastern Health Center - Susanville in Susanville, California. Dmand AI also links Gregory Long to 2 community health centers and 1 medical group.
What is Gregory George Long's office phone number?
The practice phone on file for Gregory Long is (916) 257-5563.
What is Gregory George Long's medical license number?
Gregory Long holds California license 21475.
How long has Gregory George Long been practicing?
Gregory Long's NPI was assigned in 2012.
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