Timothy Hammill, OD
NPI 1457932097 · Optometrist · Redlands, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Hammill, OD is a Optometrist provider in Redlands, CA (NPI 1457932097).
Provider details
- NPI number
- 1457932097
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- Yes
- License
- OPT35322-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
1 documented practice location
- 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 913 | 310 |
| Brimonidine Tartrate | 213 | 74 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 210 | 71 |
| Prednisolone Acetate | 161 | 119 |
| Timolol Maleate | 153 | 56 |
| Moxifloxacin Hclbrand: Moxifloxacin | 100 | 82 |
| Cyclosporine | 96 | 46 |
| Dorzolamide Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$555 across 7 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
Registry dates
- Enumerated
- 2021-04-15
- Last updated
- 2024-06-13
- Certified
- 2024-06-13
Frequently asked questions
- What is Timothy Hammill's NPI number?
- Timothy Hammill's National Provider Identifier (NPI) is 1457932097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Hammill's specialty?
- Timothy Hammill is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Timothy Hammill located?
- Timothy Hammill's practice location on file with NPPES is 1845 W Redlands Blvd Ste 101, Redlands, CA 92373-3125.
- What is Timothy Hammill's phone number?
- The practice phone number listed in the NPPES registry for Timothy Hammill is (909) 363-1450.
- Does Timothy Hammill accept Medicare?
- Timothy Hammill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Hammill's NPI active?
- Yes — Timothy Hammill's NPI (1457932097) is active in the NPPES registry as of the last update on 2024-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.