DR. PETER T ZACHARIA (MD) – Ophthalmology Physician, NPI 1689666745
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
Provider Addresses for DR. PETER T ZACHARIA (MD)
281 Lincoln Street
Worcester, MA 016052138
Phone: (508) 334-6855
Fax: (508) 334-6795
Type: Location
33, Lancaster Street, Lincoln Square, Belmont Hill, Worcester, Worcester County, Massachusetts, 01608, United States
WORCESTER, MA 016092615
Phone: (508) 791-8484
Fax: (508) 791-1658
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $423.
Total Amount is formed as General ($423) + Research ($0) + Ownership ($0) = $423.
Last reported payment date: 2024-11-15 • Largest payer in this snapshot: Sight Sciences, Inc. ($240).
Total Amount
$423
General + Research + Ownership
Payments
7
Total payment records
General Amount
$423
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sight Sciences, Inc. | $240 |
| ABBVIE INC. | $98 |
| Alcon Vision LLC | $69 |
| Thea Pharma Inc. | $17 |
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: 2005-05-06
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 |
|---|---|---|---|---|
| I20050506000351 | I | Ophthalmology | MA | 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 | 1,093 | 523 | $0 |
| 92083 | Exam of visual field with extended testing | 477 | 429 | $0 |
| 92014 | Established patient complete exam of visual system | 475 | 470 | $0 |
| 92133 | Imaging of optic nerve | 461 | 410 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 238 | 196 | $0 |
Insurance plans in this area (ZIP 01605)
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Provider's Procedures
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