Timothy Walker, OD
NPI 1265928717 · Optometrist · Grand Blanc, MI
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Walker, OD is a Optometrist provider in Grand Blanc, MI (NPI 1265928717).
Provider details
- NPI number
- 1265928717
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 4901005136 (MI)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
305 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 79 | $117 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 77 | $86 |
| Photography of the Retina92250 | 58 | $34 |
| Exam of Visual Field With Extended Testing92083 | 40 | $58 |
| Imaging of Optic Nerve92133 | 31 | $32 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $121 |
Typical Medicare-allowed amounts for these services range $32–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 139 | 47 |
| Cyclosporine | 47 | 20 |
| Cyclosporinebrand: Restasis | 35 | 15 |
| Bimatoprostbrand: Lumigan | 25 | — |
| Prednisolone Acetate | 17 | 15 |
| Timolol Maleate | 17 | — |
| Brimonidine Tartrate | 16 | — |
| Lifitegrastbrand: Xiidra |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$111 across 6 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
- 2018-07-09
- Last updated
- 2018-07-09
Frequently asked questions
- What is Timothy Walker's NPI number?
- Timothy Walker's National Provider Identifier (NPI) is 1265928717, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Walker's specialty?
- Timothy Walker is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Timothy Walker located?
- Timothy Walker's practice location on file with NPPES is 11225 S Saginaw St, Grand Blanc, MI 48439-1285.
- What is Timothy Walker's phone number?
- The practice phone number listed in the NPPES registry for Timothy Walker is (810) 694-3937.
- Does Timothy Walker accept Medicare?
- Timothy Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Walker's NPI active?
- Yes — Timothy Walker's NPI (1265928717) is active in the NPPES registry as of the last update on 2018-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.