Karen Toledo, OD
NPI 1851942569 · Optometrist · Fontana, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Toledo, OD is a Optometrist provider in Fontana, CA (NPI 1851942569).
Provider details
- NPI number
- 1851942569
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Female
- Sole proprietor
- No
- License
- 34380TLG (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 tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclosporine | 68 | 38 |
| Latanoprost | 46 | 32 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 22 | 16 |
| Prednisolone Acetate | 16 | 15 |
| Cyclosporinebrand: Restasis | 14 | — |
| Brimonidine Tartrate | 13 | — |
| Azelastine Hcl | 13 | — |
| Fluorometholone |
Practice location
Mailing address
Additional practice locations (2)
- 8028 3rd StDowney, CA 90241-3602Phone: (562) 622-8700
- 3801 Miranda AvePalo Alto, CA 94304-1207Phone: (650) 493-5000
Registry dates
- Enumerated
- 2019-09-24
- Last updated
- 2024-01-18
- Certified
- 2024-01-18
Frequently asked questions
- What is Karen Toledo's NPI number?
- Karen Toledo's National Provider Identifier (NPI) is 1851942569, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Toledo's specialty?
- Karen Toledo is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Karen Toledo located?
- Karen Toledo's practice location on file with NPPES is 9961 Sierra Ave # 4, Fontana, CA 92335-6720.
- What is Karen Toledo's phone number?
- The practice phone number listed in the NPPES registry for Karen Toledo is (909) 427-6984.
- Does Karen Toledo accept Medicare?
- Karen Toledo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Toledo's NPI active?
- Yes — Karen Toledo's NPI (1851942569) is active in the NPPES registry as of the last update on 2024-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.