Stella Tu, OD
NPI 1639767940 · Optometrist · Redlands, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stella Tu, OD is a Optometrist provider in Redlands, CA (NPI 1639767940).
Provider details
- NPI number
- 1639767940
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 34743-TLG (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
5 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 878 | 305 |
| Timolol Maleate | 248 | 103 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 198 | 75 |
| Brimonidine Tartrate | 186 | 69 |
| Dorzolamide Hcl | 88 | 40 |
| Cyclosporine | 81 | 34 |
| Cyclosporinebrand: Restasis | 79 | 34 |
| Prednisolone Acetate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$484 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 494 N Mountain AveUpland, CA 91786-5178Phone: (909) 552-7200
Registry dates
- Enumerated
- 2021-01-04
- Last updated
- 2024-07-01
- Certified
- 2024-07-01
Frequently asked questions
- What is Stella Tu's NPI number?
- Stella Tu's National Provider Identifier (NPI) is 1639767940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stella Tu's specialty?
- Stella Tu is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Stella Tu located?
- Stella Tu's practice location on file with NPPES is 1845 W Redlands Blvd Ste 101, Redlands, CA 92373-3125.
- What is Stella Tu's phone number?
- The practice phone number listed in the NPPES registry for Stella Tu is (909) 363-1450.
- Does Stella Tu accept Medicare?
- Stella Tu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stella Tu's NPI active?
- Yes — Stella Tu's NPI (1639767940) is active in the NPPES registry as of the last update on 2024-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.