DR. MAXWELL STEM (M.D.) – Ophthalmology Physician, NPI 1093033300
Ophthalmology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
1,144 OPHTHALMOLOGY in PA
Provider Addresses for DR. MAXWELL STEM (M.D.)
1249 Cocoa Ave Ste 104
Hershey, PA 170333700
Phone: (717) 533-3937
Type: Location
2170 Noll Dr Ste 400
Lancaster, PA 176037609
Phone: (717) 205-4020
Type: Location
2525 Green Tech Dr Ste A
State College, PA 168032302
Phone: (800) 633-8688
Type: Location
220 GRANDVIEW AVE STE 200
CAMP HILL, PA 170111776
Phone:
Type: Mailing
1600 6th Ave Ste 112
York, PA 174032627
Phone: (717) 846-1718
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $576.
Total Amount is formed as General ($576) + Research ($0) + Ownership ($0) = $576.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Alcon Vision LLC ($121).
Total Amount
$576
General + Research + Ownership
Payments
16
Total payment records
General Amount
$576
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $121 |
| ABBVIE INC. | $106 |
| Carl Zeiss Meditec USA, Inc. | $103 |
| Genentech USA, Inc. | $82 |
| Alimera Sciences, Inc. | $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: 2018-05-21
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 |
|---|---|---|---|---|
| I20180521001261 | I | Ophthalmology | PA | 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 |
|---|---|---|---|---|
| J2777 | Injection, faricimab-svoa, 0.1 mg | 23,760 | 116 | $0 |
| J0178 | Injection, aflibercept, 1 mg | 2,328 | 306 | $0 |
| 92134 | Imaging of retina | 2,194 | 757 | $0 |
| 67028 | Injection of drug into eye | 1,900 | 504 | $0 |
| J2778 | Injection, ranibizumab, 0.1 mg | 1,381 | 102 | $0 |
Insurance plans in this area (ZIP 17033)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | TX | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA | |
| O P H T H A L M O L O G Y | PA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.