ERYNN B YANG (M.D.) – Ophthalmology Physician, NPI 1114135746
Ophthalmology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
801 OPHTHALMOLOGY in MA
Provider Addresses for ERYNN B YANG (M.D.)
133 BROOKLINE AVE
BOSTON, MA 022153904
Phone: (617) 421-1151
Fax: (617) 421-8787
Type: Mailing
Milk Street, Financial District, Downtown Boston, Boston, Suffolk County, Massachusetts, 02102, United States
BOSTON, MA 021094806
Phone:
Type: Mailing
26, City Hall Mall, Medford, Middlesex County, Massachusetts, 02155, United States
MEDFORD, MA 021554754
Phone: (781) 306-5184
Fax: (781) 306-5303
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $111.
Total Amount is formed as General ($111) + Research ($0) + Ownership ($0) = $111.
Last reported payment date: 2024-02-27 • Largest payer in this snapshot: RxSight Inc ($111).
Total Amount
$111
General + Research + Ownership
Payments
1
Total payment records
General Amount
$111
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| RxSight Inc | $111 |
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: 2009-06-18
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 |
|---|---|---|---|---|
| I20090618000458 | 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 | 599 | 451 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 333 | 243 | $0 |
| 92133 | Imaging of optic nerve | 323 | 309 | $0 |
| 92083 | Exam of visual field with extended testing | 314 | 288 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 141 | 94 | $0 |
Insurance plans in this area (ZIP 02215)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MA | |
| Family Practice | MA | |
| D E R M A T O L O G Y | MA | |
| Emergency Medicine | MA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MA | |
| - | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MA | |
| - | MA | |
| Internal Medicine | MA | |
| O T O L A R Y N G O L O G Y | MA |
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