GREGORY R. BLAHA (MD, PHD) – Ophthalmology Physician, NPI 1902998776
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
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Provider Addresses for GREGORY R. BLAHA (MD, PHD)
Essex Center Drive, Northshore Mall, Proctor, Peabody, Essex County, Massachusetts, 01960, United States
LAHEY CLINIC
PEABODY, MA 019602901
Phone: (978) 538-4400
Fax: (978) 538-4724
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)
CMS reports 8 Open Payments records for all available years, with a total value of $1,491.
Total Amount is formed as General ($1,491) + Research ($0) + Ownership ($0) = $1,491.
Last reported payment date: 2024-12-31 • Largest payer in this snapshot: Beaver-Visitec International, Inc. ($700).
Total Amount
$1,491
General + Research + Ownership
Payments
8
Total payment records
General Amount
$1,491
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Beaver-Visitec International, Inc. | $700 |
| Regeneron Pharmaceuticals, Inc. | $260 |
| Alcon Vision LLC | $167 |
| Astellas Pharma US Inc | $148 |
| Genentech USA, Inc. | $115 |
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: 2004-07-15
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 |
|---|---|---|---|---|
| I20040715000663 | 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 |
|---|---|---|---|---|
| 92134 | Imaging of retina | 2,064 | 817 | $0 |
| 67028 | Injection of drug into eye | 1,199 | 257 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 787 | 387 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 499 | 416 | $0 |
| J9035 | Injection, bevacizumab, 10 mg | 335 | 62 | $0 |
Insurance plans in this area (ZIP 01960)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | MA | 92134 | Diagnostic imaging of retina | 1401 | 490 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | MA | |
| - | MA | |
| G A S T R O E N T E R O L O G Y | NY | |
| Physician Assistant | MA | |
| A N E S T H E S I O L O G Y | MA |
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