Rex L.c. Chu, OD
- Part D claims, 2024
- 15
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Rex Chu'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.
Rex L.c. Chu is an optometrist in Fontana, California
Rex Chu practices at Fontana Medical Center in Fontana, California.
Rex Chu's NPI, 1588694137, was assigned on July 3, 2006. Rex Chu holds California license OPT 11120TPA.
- NPI
- 1588694137NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436176773
- NPI enumeration date
- July 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Rex L.c. Chu practices at Fontana Medical Center in Fontana, California
Rex Chu's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Rex L.c. Chu is affiliated with 3 sites of care and 1 medical group
Rex Chu's primary practice is Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Rex Chu to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Rex L.c. Chu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rex Chu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Rex L.c. Chu is one of 7,206 optometrists in California
Optometrist is Rex Chu's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Rex Chu is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Rex Chu
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
Rex L.c. Chu's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Rex Chu's median patient age at 40, with 66% women.
Rex Chu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women66%
- Men33%
Source: Dmand AI Patient Panel Data
Rex L.c. Chu wrote 15 Medicare Part D claims in 2024
In 2024, Rex Chu wrote 15 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Rex L.c. Chu takes part in Medicare
Rex Chu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Rex L.c. Chu'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors 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 Rex L.c. Chu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rex L.c. Chu's NPI number?
Rex L.c. Chu's NPI number is 1588694137. It was assigned on July 3, 2006, and it is active in the NPI Registry.
What does Rex L.c. Chu specialize in?
Rex L.c. Chu is an optometrist in Fontana, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Rex L.c. Chu practice?
Rex Chu practices at 9961 Sierra Ave, Fontana, CA 92335. Rex Chu's primary practice is Fontana Medical Center in Fontana, California. Dmand AI also links Rex Chu to 1 physician office and 1 group practice or clinic.
What is Rex L.c. Chu's office phone number?
The practice phone on file for Rex Chu is (909) 427-3910.
What is Rex L.c. Chu's medical license number?
Rex Chu holds California license OPT 11120TPA.
What medical group is Rex L.c. Chu part of?
Rex Chu is linked to Southern California Permanente Medical Group.
Does Rex L.c. Chu accept Medicare?
Yes. CMS lists Rex Chu as accepting Medicare assignment.
How long has Rex L.c. Chu been practicing?
Rex Chu graduated from medical school in 1999, 27 years ago.
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