Anh Tonnu, O.D. (OPTOMETRIST)
NPI 1679521280 · Optometrist · San Diego, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anh Tonnu, O.D. (OPTOMETRIST) is a Optometrist provider in San Diego, CA (NPI 1679521280).
Provider details
- NPI number
- 1679521280
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D. (OPTOMETRIST)
- Sex
- Female
- Sole proprietor
- No
- License
- 11318T (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
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 67 | 26 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 25 | 23 |
| Cyclosporine | 22 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 19 | — |
| Lifitegrastbrand: Xiidra | 16 | — |
| Bimatoprostbrand: Lumigan | 13 | — |
| Cyclosporinebrand: Restasis | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$629 across 17 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 (2)
- 2260 Callagan HwyBuilding 3187b Ste 1San Diego, CA 92136Phone: (619) 544-2284
- 4344 Convoy St Ste C2San Diego, CA 92111-3737Phone: (800) 898-2020
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2020-12-01
- Certified
- 2020-12-01
Frequently asked questions
- What is Anh Tonnu's NPI number?
- Anh Tonnu's National Provider Identifier (NPI) is 1679521280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anh Tonnu's specialty?
- Anh Tonnu is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Anh Tonnu located?
- Anh Tonnu's practice location on file with NPPES is 6945 El Cajon Blvd, San Diego, CA 92115-1754.
- What is Anh Tonnu's phone number?
- The practice phone number listed in the NPPES registry for Anh Tonnu is (800) 898-2020.
- Does Anh Tonnu accept Medicare?
- Anh Tonnu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anh Tonnu's NPI active?
- Yes — Anh Tonnu's NPI (1679521280) is active in the NPPES registry as of the last update on 2020-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.