DR. SANTIAGO JULIO JR. VILLAZON (M.D.) – Ophthalmology Physician, NPI 1750484861
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
Provider Addresses for DR. SANTIAGO JULIO JR. VILLAZON (M.D.)
400 5TH AVE STE 510
WALTHAM, MA 024518706
Phone: (339) 222-3545
Type: Mailing
40 WALNUT ST STE 101
WELLESLEY, MA 024812175
Phone: (617) 796-3937
Fax: (617) 796-3938
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 28 Open Payments records for all available years, with a total value of $1,278.
Total Amount is formed as General ($1,278) + Research ($0) + Ownership ($0) = $1,278.
Last reported payment date: 2024-11-27 • Largest payer in this snapshot: Alcon Vision LLC ($833).
Total Amount
$1,278
General + Research + Ownership
Payments
28
Total payment records
General Amount
$1,278
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-27
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2009-02-24
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 |
|---|---|---|---|---|
| I20090224000528 | 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 |
|---|---|---|---|---|
| 92136 | Measurement of corneal curvature and depth of eye | 428 | 333 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 395 | 233 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 143 | 141 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 142 | 142 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 80 | 72 | $0 |
Insurance plans in this area (ZIP 02451)
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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 |
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