Mathew Walker, O.D.
NPI 1255595864 · Optometrist · Alexandria, MN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mathew Walker, O.D. is a Optometrist provider in Alexandria, MN (NPI 1255595864).
Provider details
- NPI number
- 1255595864
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- OPC4394 (FL)
Specialties & taxonomies
Eye and Vision Services Providers
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
17 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
1,903 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 374 | $161 |
| Exam of Visual Field With Extended Testing92083 | 250 | $63 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 231 | $88 |
| Imaging of Optic Nerve92133 | 204 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 183 | $124 |
| Imaging of Retina92134 | 177 | $39 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 274 | 72 |
| Prednisolone Acetate | 236 | 125 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 195 | 52 |
| Ketorolac Tromethamine | 140 | 127 |
| Cyclosporinebrand: Restasis | 128 | 63 |
| Ofloxacin | 99 | 87 |
| Lifitegrastbrand: Xiidra | 79 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,731 across 26 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
- 2008-07-12
- Last updated
- 2024-05-21
- Certified
- 2024-05-21
Frequently asked questions
- What is Mathew Walker's NPI number?
- Mathew Walker's National Provider Identifier (NPI) is 1255595864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mathew Walker's specialty?
- Mathew Walker is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mathew Walker located?
- Mathew Walker's practice location on file with NPPES is 2600 Jefferson St Ste 200, Alexandria, MN 56308-3410.
- What is Mathew Walker's phone number?
- The practice phone number listed in the NPPES registry for Mathew Walker is (320) 762-2166.
- Does Mathew Walker accept Medicare?
- Mathew Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mathew Walker's NPI active?
- Yes — Mathew Walker's NPI (1255595864) is active in the NPPES registry as of the last update on 2024-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.