KARL J SIEBERT (M.D.) – Glaucoma Specialist (Ophthalmology) Physician, NPI 1205809159
Glaucoma Specialist (Ophthalmology) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
844 OPHTHALMOLOGY in MI
Loading map...
Provider Addresses for KARL J SIEBERT (M.D.)
East Paris Avenue Southeast, Third Ward, Grand Rapids, Kent County, Michigan, 49512, United States
SUITE 130
GRAND RAPIDS, MI 495463680
Phone: (616) 949-2001
Fax: (616) 949-8620
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $219.
Total Amount is formed as General ($219) + Research ($0) + Ownership ($0) = $219.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Alcon Vision LLC ($219).
Total Amount
$219
General + Research + Ownership
Payments
12
Total payment records
General Amount
$219
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alcon Vision LLC | $219 |
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: 2004-04-08
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 |
|---|---|---|---|---|
| I20040408000476 | I | Ophthalmology | MI | 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 |
|---|---|---|---|---|
| 92012 | Established patient problem focused exam of visual system | 346 | 248 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 322 | 117 | $0 |
| 92133 | Imaging of optic nerve | 317 | 313 | $0 |
| 92083 | Exam of visual field with extended testing | 243 | 243 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 189 | 177 | $0 |
Insurance plans in this area (ZIP 49546)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | MI | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 812 | 533 |
| OPHTHALMOLOGY | MI | 92083 | Measurement of field of vision during daylight conditions | 348 | 346 |
| OPHTHALMOLOGY | MI | 92134 | Diagnostic imaging of retina | 56 | 48 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| O P T O M E T R Y | PA | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | CO | |
| O P H T H A L M O L O G Y | MI | |
| O P H T H A L M O L O G Y | MI | |
| O P T O M E T R Y | MI | |
| O P T O M E T R Y | MI |
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.