DR. PETER LOUIS LOU (MD) – Ophthalmology Physician, NPI 1316937709
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 DR. PETER LOUIS LOU (MD)
Charlestown Post Office (mobile), Pattern Close, St Austell Bay, Charlestown, Cornwall, England, PL25 3FQ, United Kingdom
MASS GENERAL PHYSICIAN ORGANIZATION
CHARLESTOWN, MA 021299142
Phone: (617) 724-0287
Fax: (617) 726-2894
Type: Mailing
10, Hawthorne Place, West End, Boston, Suffolk County, Massachusetts, 02114, United States
SUITE 106
BOSTON, MA 021142336
Phone: (617) 523-0955
Fax: (617) 523-5376
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 40 Open Payments records for all available years, with a total value of $2,087.
Total Amount is formed as General ($2,087) + Research ($0) + Ownership ($0) = $2,087.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Genentech USA, Inc. ($420).
Total Amount
$2,087
General + Research + Ownership
Payments
40
Total payment records
General Amount
$2,087
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Genentech USA, Inc. | $420 |
| ABBVIE INC. | $302 |
| Regeneron Healthcare Solutions, Inc. | $279 |
| Dutch Ophthalmic, USA | $274 |
| Oyster Point Pharma, Inc. | $134 |
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: 2005-05-11
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 |
|---|---|---|---|---|
| I20050511000118 | 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 |
|---|---|---|---|---|
| J2777 | Injection, faricimab-svoa, 0.1 mg | 6,180 | 31 | $0 |
| 92134 | Imaging of retina | 612 | 356 | $0 |
| 92250 | Photography of the retina | 550 | 322 | $0 |
| 92014 | Established patient complete exam of visual system | 506 | 356 | $0 |
| 67028 | Injection of drug into eye | 185 | 53 | $0 |
Insurance plans in this area (ZIP 02129)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MA | |
| - | MA | |
| P A T H O L O G Y | MA | |
| O P H T H A L M O L O G Y | MA |
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