DR. GREGORY S KOENIG (O.D.) – Optometrist, NPI 1255301388
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
386 OPTOMETRY in NV
Provider Addresses for DR. GREGORY S KOENIG (O.D.)
415 US HIGHWAY 95A S
SUITE 101
FERNLEY, NV 894089007
Phone: (775) 575-1966
Fax: (775) 575-1967
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 11 Open Payments records for all available years, with a total value of $1,809.
Total Amount is formed as General ($1,809) + Research ($0) + Ownership ($0) = $1,809.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Alcon Vision LLC ($1,624).
Total Amount
$1,809
General + Research + Ownership
Payments
11
Total payment records
General Amount
$1,809
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $1,624 |
| LKC Technologies, Inc. | $132 |
| Carl Zeiss Meditec USA, Inc. | $27 |
| Optos, Inc. | $25 |
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: 2011-09-12
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 |
|---|---|---|---|---|
| I20110912000403 | I | Optometry | NV | 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 |
|---|---|---|---|---|
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 88 | 76 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 51 | 42 | $0 |
| 92134 | Imaging of retina | 41 | 32 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 40 | 35 | $0 |
| 99202 | New patient office or other outpatient visit, 15-29 minutes | 30 | 30 | $0 |
Insurance plans in this area (ZIP 89408)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPTOMETRY | NV | 92134 | Diagnostic imaging of retina | 33 | 23 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | NV | |
| O P T O M E T R Y | NV |
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