DR. JASON H. GREENBERG (O.D.) – Optometrist, NPI 1003977349
Optometrist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,715 OPTOMETRY in IL
Provider Addresses for DR. JASON H. GREENBERG (O.D.)
PO BOX 357
ELMHURST, IL 601260357
Phone: (630) 853-6969
Fax: (773) 346-1331
Type: Mailing
657 W BELDEN AVE
ELMHURST, IL 601261869
Phone: (630) 853-6969
Type: Location
248, East Gladys Avenue, Elmhurst, DuPage County, Illinois, 60126, United States
ELMHURST, IL 601261928
Phone: (630) 630-9144
Fax: (773) 346-1331
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: 2025-11-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20040607000209 | I | Optometry | IL | TBD |
| I20251122000189 | I | Optometry | NM | 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 |
|---|---|---|---|---|
| 99349 | Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 176 | 84 | $0 |
| 99443 | Telephone medical discussion with physician, 21-30 minutes | 173 | 81 | $0 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 57 | 30 | $0 |
| 99348 | Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 56 | 30 | $0 |
Insurance plans in this area (ZIP 60126)
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