Quick answers
- Which hospitals does On-Tat Lee work at?
- Medicare's official clinician data lists On-Tat Lee at 1 hospital: Sutter Tracy Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does On-Tat Lee see patients?
- Medicare's clinician data lists 1 practice location in Lodi, CA. Call before your visit to confirm the address.
- What is On-Tat Lee's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does On-Tat Lee accept Medicare assignment?
- Yes. Medicare's clinician data says On-Tat Lee accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for On-Tat Lee?
- (209) 334-5886, as listed in official Medicare / NPI Registry data.
- What is On-Tat Lee's NPI number?
- 1194084517. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where On-Tat Lee works
Medicare's Facility Affiliation Data lists On-Tat Lee at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sutter Tracy Community HospitalTracy, CA · Acute Care Hospital · CCN 050313
Practice locations
Addresses where On-Tat Lee is enrolled with Medicare (CMS data updated 2026-10-02).
- 521 S Ham Lane, Suite ALodi, CA 95242 (209) 334‑5886
Group practices
Medicare enrollment lists On-Tat Lee as a member of this group (CMS data updated 2026-10-02).
- Delta Eye Medical Group, Inc.8 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1194084517 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians