DR. THOMAS MICHAEL GRISCHOW (O.D.) – Optometrist, NPI 1932132818
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 DR. THOMAS MICHAEL GRISCHOW (O.D.)
10, Dutton Drive, Oak Hill, Youngstown, Mahoning County, Ohio, 44502, United States
SUITE 200
YOUNGSTOWN, OH 445021818
Phone: (330) 746-7691
Fax: (330) 743-8368
Type: Mailing
10 Dutton Dr
Suite 200
Youngstown, OH 445021818
Phone: (330) 746-7691
Fax: (330) 743-8368
Type: Location
1075 W Western Reserve Rd
Poland, OH 445143541
Phone: (330) 746-7691
Type: Location
4060 N RIVER RD NE
WARREN, OH 444841039
Phone: (330) 746-7691
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 60 Open Payments records for all available years, with a total value of $1,605.
Total Amount is formed as General ($1,605) + Research ($0) + Ownership ($0) = $1,605.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: Alcon Vision LLC ($374).
Total Amount
$1,605
General + Research + Ownership
Payments
60
Total payment records
General Amount
$1,605
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $374 |
| Bausch & Lomb Americas Inc. | $304 |
| ABBVIE INC. | $277 |
| Oyster Point Pharma, Inc. | $208 |
| BIOTISSUE HOLDINGS, INC. | $146 |
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: 2004-07-26
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 |
|---|---|---|---|---|
| I20040726001477 | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 390 | 388 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 267 | 231 | $0 |
| 92134 | Imaging of retina | 127 | 109 | $0 |
| 92133 | Imaging of optic nerve | 117 | 115 | $0 |
| 92083 | Exam of visual field with extended testing | 103 | 103 | $0 |
Insurance plans in this area (ZIP 44502)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | OH | |
| O P H T H A L M O L O G Y | OH | |
| O P H T H A L M O L O G Y | OH | |
| O P T O M E T R Y | OH | |
| O P H T H A L M O L O G Y | OH | |
| O P T O M E T R Y | OH | |
| O P H T H A L M O L O G Y | OH | |
| O P H T H A L M O L O G Y | OH | |
| O P H T H A L M O L O G Y | OH | |
| O P T O M E T R Y | OH |
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