DR. LISA ANN WALKER (OD OPTOMETRY) – Optometrist, NPI 1871559575
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
684 OPTOMETRY in OK
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Provider Addresses for DR. LISA ANN WALKER (OD OPTOMETRY)
106, North Main Street, Elk City, Beckham County, Oklahoma, 73644, United States
ELK CITY, OK 736444752
Phone: (580) 243-2020
Fax: (580) 243-2040
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $44.
Total Amount is formed as General ($44) + Research ($0) + Ownership ($0) = $44.
Last reported payment date: 2024-01-18 • Largest payer in this snapshot: Glaukos Corporation ($44).
Total Amount
$44
General + Research + Ownership
Payments
2
Total payment records
General Amount
$44
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Glaukos Corporation | $44 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-11-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20081120000080 | I | Optometry | OK | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 169 | 167 | $0 |
| 92250 | Photography of the retina | 55 | 53 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 19 | 11 | $0 |
| 92134 | Imaging of retina | 11 | 11 | $0 |
Insurance plans in this area (ZIP 73644)
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