Charles L. Tu, OD
- Medicare patients, 2024
- 38
- Industry payments
- $27
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 360 E Las Tunas Dr, San Gabriel, CA 91776
- Practice phone
- Call (626) 289-9978
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Zhenghong Yuan, MD
Urgent Care Center · San Gabriel, California
Find Charles Tu'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.
Charles L. Tu is an optometrist in San Gabriel, California
Charles Tu practices at Zhenghong Yuan, MD in San Gabriel, California.
Charles Tu's NPI, 1073137691, was assigned on May 29, 2020. Charles Tu holds California license 34618TLG.
- NPI
- 1073137691NPI Registry (opens in a new tab)
- NPI enumeration date
- May 29, 2020
- NPI status
- Active
- Practice phone
- (626) 289-9978
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Charles L. Tu practices at Zhenghong Yuan, MD in San Gabriel, California
Charles Tu's primary practice is Zhenghong Yuan, MD, at 360 E Las Tunas Dr, San Gabriel, CA 91776. The practice phone is (626) 289-9978.
- Zhenghong Yuan, MD360 E Las Tunas Dr, San Gabriel, CA 91776Phone(626) 289-9978
Source: Dmand AI Affiliation Data
Charles L. Tu is affiliated with 2 sites of care and 2 medical groups
Charles Tu's primary practice is Zhenghong Yuan, MD in San Gabriel, California. Dmand AI also links Charles Tu to 2 medical groups and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Charles L. Tu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charles Tu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Zhenghong Yuan, MD | 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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Charles L. Tu is one of 7,206 optometrists in California
Optometrist is Charles Tu's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Charles Tu is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Charles Tu
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
Charles L. Tu treated 38 Medicare patients in 2024, average age 75
CMS counts 38 Medicare patients who saw Charles Tu in 2024. The largest group is 75 to 84, with 16 patients. 68% of them have high blood pressure, and 66% have high cholesterol. Their average risk score is 0.78, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Charles Tu's median patient age at 64, with 63% women.
Charles Tu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Charles Tu's Medicare patients by sex, 2024
- Women2463%
- Men1437%
Chronic conditions among Charles Tu's Medicare patients, 2024
- High blood pressure68%
- High cholesterol66%
- Diabetes47%
- Arthritis29%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Charles Tu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Charles L. Tu received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Charles Tu from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Tarsus Pharmaceuticals, Inc. paid the most, $27.
Companies that paid Charles Tu 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 Charles L. Tu'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 DataMedicare Physician & Other Practitioners - 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 Charles L. Tu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Charles L. Tu's NPI number?
Charles L. Tu's NPI number is 1073137691. It was assigned on May 29, 2020, and it is active in the NPI Registry.
What does Charles L. Tu specialize in?
Charles L. Tu is an optometrist in San Gabriel, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Charles L. Tu practice?
Charles Tu practices at 360 E Las Tunas Dr, San Gabriel, CA 91776. Charles Tu's primary practice is Zhenghong Yuan, MD in San Gabriel, California. Dmand AI also links Charles Tu to 2 medical groups and 1 therapy and rehab clinic.
What is Charles L. Tu's office phone number?
The practice phone on file for Charles Tu is (626) 289-9978.
What is Charles L. Tu's medical license number?
Charles Tu holds California license 34618TLG.
How many Medicare patients does Charles L. Tu see?
CMS counts 38 Medicare patients who saw Charles Tu in 2024, with an average age of 75.
Has Charles L. Tu received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Charles Tu from 1 company from 2025 to 2025. The largest total came from Tarsus Pharmaceuticals, Inc.
How long has Charles L. Tu been practicing?
Charles Tu graduated from medical school in 2020, 6 years ago.
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