DR. ROBERT J S MACK (M.D. P C) – Ophthalmology Physician, NPI 1932107778
Ophthalmology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
958 OPHTHALMOLOGY in IL
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Provider Addresses for DR. ROBERT J S MACK (M.D. P C)
1220, West Higgins Road, Hoffman Estates, Schaumburg Township, Cook County, Illinois, 60169, United States
STE 102
HOFFMAN ESTATES, IL 601694033
Phone: (847) 755-9393
Fax: (847) 755-1560
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 2 Open Payments records for all available years, with a total value of $48.
Total Amount is formed as General ($48) + Research ($0) + Ownership ($0) = $48.
Last reported payment date: 2024-04-12 • Largest payer in this snapshot: Hologic Sales and Service, LLC ($48).
Total Amount
$48
General + Research + Ownership
Payments
2
Total payment records
General Amount
$48
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Hologic Sales and Service, LLC | $48 |
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: 2011-01-06
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 |
|---|---|---|---|---|
| I20110106000993 | I | Ophthalmology | IL | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 1,206 | 408 | $0 |
| 92134 | Imaging of retina | 530 | 321 | $0 |
| 92014 | Established patient complete exam of visual system | 463 | 311 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 428 | 236 | $0 |
| 92133 | Imaging of optic nerve | 277 | 198 | $0 |
Insurance plans in this area (ZIP 60169)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | IL | |
| O P H T H A L M O L O G Y | IL |
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