DAVID HYUNGJUN YI (MD) – Ophthalmology Physician, NPI 1003808197
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 DAVID HYUNGJUN YI (MD)
13;15;17;19;21;23, Village Square, Chelmsford, Middlesex County, Massachusetts, 01824, United States
CHELMSFORD, MA 018242712
Phone: (978) 256-5600
Fax: (978) 703-0250
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 11 Open Payments records for all available years, with a total value of $352.
Total Amount is formed as General ($352) + Research ($0) + Ownership ($0) = $352.
Last reported payment date: 2024-10-02 • Largest payer in this snapshot: Alcon Vision LLC ($113).
Total Amount
$352
General + Research + Ownership
Payments
11
Total payment records
General Amount
$352
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $113 |
| BIOTISSUE HOLDINGS INC. | $94 |
| ABBVIE INC. | $72 |
| BIOTISSUE HOLDINGS, INC. | $28 |
| Glaukos Corporation | $25 |
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: 2004-08-12
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 |
|---|---|---|---|---|
| I20040812000910 | 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 |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 716 | 713 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 532 | 357 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 321 | 177 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 316 | 212 | $0 |
| 92133 | Imaging of optic nerve | 265 | 262 | $0 |
Insurance plans in this area (ZIP 01824)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| O P H T H A L M O L O G Y | MA | |
| O P T O M E T R Y | MA | |
| 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 | |
| O P T O M E T R Y | MA | |
| O P T O M E T R Y | MA | |
| O P T O M E T R Y | MA | |
| - | MA | |
| O P T O M E T R Y | MA |
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