DR. TRACEY MARSHALL-UNDERWOOD (O.D.) – Optometrist, NPI 1154353944
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
140 OPTOMETRY in DE
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Provider Addresses for DR. TRACEY MARSHALL-UNDERWOOD (O.D.)
5, Yarmouth Way, Dover, Kent County, Delaware, 19904, United States
DOVER, DE 199045392
Phone: (302) 734-5861
Type: Mailing
103, Wolf Creek Boulevard, Huntley, Woods Manor East, Dover, Kent County, Delaware, 19901, United States
SUITE 2
DOVER, DE 199014915
Phone: (302) 678-3932
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $148.
Total Amount is formed as General ($148) + Research ($0) + Ownership ($0) = $148.
Last reported payment date: 2024-12-03 • Largest payer in this snapshot: CooperVision Inc. ($43).
Total Amount
$148
General + Research + Ownership
Payments
8
Total payment records
General Amount
$148
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CooperVision Inc. | $43 |
| Oyster Point Pharma, Inc. | $32 |
| Amgen Inc. | $32 |
| Tarsus Pharmaceuticals, Inc. | $22 |
| Bausch & Lomb Americas Inc. | $20 |
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: 2016-10-21
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 |
|---|---|---|---|---|
| I20161021000376 | I | Optometry | DE | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 557 | 411 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 44 | 44 | $0 |
| 92083 | Exam of visual field with extended testing | 19 | 19 | $0 |
| 92134 | Imaging of retina | 12 | 12 | $0 |
Insurance plans in this area (ZIP 19904)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | DE | |
| O P T O M E T R Y | CA | |
| O P T O M E T R Y | MD | |
| O P H T H A L M O L O G Y | MD | |
| O P T O M E T R Y | DE | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | DE | |
| O P H T H A L M O L O G Y | DE | |
| O P H T H A L M O L O G Y | DE |
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