DR. CHARLES STEPHEN FOSTER (M.D.) – Ophthalmology Physician, NPI 1285617530
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. CHARLES STEPHEN FOSTER (M.D.)
1440, Main Street, Waltham, Middlesex County, Massachusetts, 02451, United States
SUITE 201
WALTHAM, MA 02451
Phone: (781) 891-6377
Fax: (617) 494-1430
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 77 Open Payments records for all available years, with a total value of $8,260.
Total Amount is formed as General ($8,260) + Research ($0) + Ownership ($0) = $8,260.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($6,000).
Total Amount
$8,260
General + Research + Ownership
Payments
77
Total payment records
General Amount
$8,260
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bausch & Lomb Americas Inc. | $6,000 |
| Mallinckrodt Hospital Products Inc. | $884 |
| ABBVIE INC. | $463 |
| Alimera Sciences, Inc. | $187 |
| Oyster Point Pharma, Inc. | $153 |
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: 2004-03-04
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 |
|---|---|---|---|---|
| I20040304000688 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 510 | 162 | $0 |
| 96415 | Administration of chemotherapy into vein, each additional hour | 478 | 25 | $0 |
| 82565 | Blood creatinine level | 369 | 105 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 369 | 104 | $0 |
| 84520 | Urea nitrogen level to assess kidney function, quantitative | 368 | 104 | $0 |
Insurance plans in this area (ZIP 02451)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | MA | |
| O P H T H A L M O L O G Y | 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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