DR. MITCHELL MARK NASS (O.D.) – Optometrist, NPI 1609936558
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,909 OPTOMETRY in CA
Provider Addresses for DR. MITCHELL MARK NASS (O.D.)
195, South Courtenay Parkway, Merritt Island, Brevard County, Florida, 32952, United States
SUITE B
MERRITT ISLAND, FL 329524888
Phone: (321) 454-3002
Fax: (321) 454-2512
Type: Mailing
1524 MCHENRY AVE
MODESTO, CA 953504500
Phone: (321) 698-3053
Type: Location
PO BOX 649
FORT DEFIANCE, AZ 865040649
Phone: (928) 729-8000
Type: Mailing
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 865040649
Phone: (928) 729-8000
Type: Location
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 $276.
Total Amount is formed as General ($276) + Research ($0) + Ownership ($0) = $276.
Last reported payment date: 2023-05-11 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($150).
Total Amount
$276
General + Research + Ownership
Payments
2
Total payment records
General Amount
$276
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-05-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bausch & Lomb Americas Inc. | $150 |
| Sight Sciences, Inc. | $126 |
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: 2026-01-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20230822002686 | I | Optometry | CA | TBD |
| I20260116001803 | I | Optometry | TX | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 32952)
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