LIEN-THU VAN DAO (OD) – Optometrist, NPI 1548574361
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,116 OPTOMETRY in MA
Provider Addresses for LIEN-THU VAN DAO (OD)
59 WASHINGTON ST 1B
HAVERHILL, MA 018325523
Phone: (978) 374-0386
Fax: (978) 372-3631
Type: Mailing
100 CHARLTON RD
CENTER AT HOBBS BROOK
STURBRIDGE, MA 015661505
Phone: (508) 347-3300
Fax: (508) 347-6303
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2010-12-07
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 |
|---|---|---|---|---|
| I20101207001176 | I | Optometry | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 424 | 424 | $0 |
| 92004 | New patient complete exam of visual system | 135 | 135 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 67 | 59 | $0 |
| 92250 | Photography of the retina | 28 | 28 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 20 | 20 | $0 |
Insurance plans in this area (ZIP 01832)
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