MARK A. MATHEWS (O.D.) – Optometrist, NPI 1376500231
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,618 OPTOMETRY in OH
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Provider Addresses for MARK A. MATHEWS (O.D.)
218, South Front Street, Downtown Fremont Historic District, Fremont, Sandusky County, Ohio, 43420, United States
FREMONT, OH 43420
Phone: (419) 332-4309
Fax: (419) 332-3834
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)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2006-12-13
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 |
|---|---|---|---|---|
| I20061213000383 | I | Optometry | OH | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 140 | 137 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 50 | 40 | $0 |
| 92014 | Established patient complete exam of visual system | 34 | 34 | $0 |
| 92134 | Imaging of retina | 20 | 16 | $0 |
| 92012 | Established patient problem focused exam of visual system | 15 | 15 | $0 |
Insurance plans in this area (ZIP 43420)
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