Physician Profile
Unclaimed ProfileAbout WALKER
Based in Perkins, OK, Marshall Walker, O.D. is listed in the NPI registry under optometry. Marshall graduated from Pennsylvania College of Optometry in 2013. Marshall is also listed as specialising in student in an organized health care education program and optometrist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Walker specialise in?
Dr. Walker is an optometry in Perkins, OK. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
Where is Dr. Walker located?
Dr. Walker is listed at 509 E HIGHWAY 33, Perkins, OK 74059. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Walker's phone number?
The number on file is (405) 547-2473. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Walker's NPI number?
Dr. Walker's National Provider Identifier is 1033554118. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Walker go to medical school?
Dr. Walker attended Pennsylvania College of Optometry, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Walker been practising?
Dr. Walker has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Walker do most often?
According to Medicare billing data, Dr. Walker performs procedures including closure of tear duct opening using plug and removal of cataract with insertion of prosthetic lens; provides treatments such as imaging of retina and extended exam of the back part of the eye with optic nerve drawing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Walker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walker. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (405) 547-2473
- Email not available
Practice Locations
509 E HIGHWAY 33
Perkins, OK 74059
Procedures Most Often Billed to Medicare
1,812 services · 1,196 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Closure of tear duct opening using plug | Procedure | 68761 |
70 |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
32 |
| Imaging of retina | Treatment | 92134 |
438 |
| Extended exam of the back part of the eye with optic nerve drawing | Treatment | 92202 |
294 |
| Exam of visual field with extended testing | Treatment | 92083 |
97 |
| Imaging of optic nerve | Treatment | 92133 |
37 |
| Fitting of contact lens for treatment of eye surface disease | Treatment | 92071 |
30 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
20 |
| Photography of the retina | Treatment | 92250 |
18 |
| Exam to measure eye deviation and range of motion | Treatment | 92060 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Pennsylvania College of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Pennsylvania College of Optometry 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Closure of tear duct opening using plug 8
Providers in OK who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.