Gary Alan Hagen, OD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4203 E 4th St, Long Beach, CA 90814-2922
- Practice phone
- Call (562) 433-1700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Belmont Heights Optometry
Eye care practice · Long Beach, California
Find Gary Hagen'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.
Gary Alan Hagen is an optometrist in Long Beach, California
Gary Hagen practices at Belmont Heights Optometry in Long Beach, California.
Gary Hagen's NPI, 1649242041, was assigned on February 2, 2006. Gary Hagen holds California license 6040T.
- NPI
- 1649242041NPI Registry (opens in a new tab)
- NPI enumeration date
- February 2, 2006
- NPI status
- Active
- Practice phone
- (562) 433-1700
- 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)
Gary Alan Hagen practices at Belmont Heights Optometry in Long Beach, California
Gary Hagen's primary practice is Belmont Heights Optometry, at 4203 E 4th St, Long Beach, CA 90814-2922. The practice phone is (562) 433-1700.
- Belmont Heights Optometry4203 E 4th St, Long Beach, CA 90814-2922Phone(562) 433-1700
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gary Alan Hagen is affiliated with 1 site of care and 1 medical group
Gary Hagen's primary practice is Belmont Heights Optometry in Long Beach, California. Dmand AI also links Gary Hagen to 1 medical group, 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 Gary Alan Hagen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gary Hagen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Belmont Heights Optometry | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gary Alan Hagen is one of 7,206 optometrists in California
Optometrist is Gary Hagen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Gary Hagen is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Gary Hagen
Counts of optometrists 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
Sources for Gary Alan Hagen'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (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 Gary Alan Hagen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gary Alan Hagen's NPI number?
Gary Alan Hagen's NPI number is 1649242041. It was assigned on February 2, 2006, and it is active in the NPI Registry.
What does Gary Alan Hagen specialize in?
Gary Alan Hagen is an optometrist in Long Beach, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Gary Alan Hagen practice?
Gary Hagen practices at 4203 E 4th St, Long Beach, CA 90814-2922. Gary Hagen's primary practice is Belmont Heights Optometry in Long Beach, California. Dmand AI also links Gary Hagen to 1 medical group.
What is Gary Alan Hagen's office phone number?
The practice phone on file for Gary Hagen is (562) 433-1700.
What is Gary Alan Hagen's medical license number?
Gary Hagen holds California license 6040T.
How long has Gary Alan Hagen been practicing?
Gary Hagen's NPI was assigned in 2006.
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