GABRIEL S SCHAAB (MD) – Ophthalmology Physician, NPI 1679739650
Ophthalmology Physician
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NPPES metrics only — not quality of care.
388 OPHTHALMOLOGY in WI
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Provider Addresses for GABRIEL S SCHAAB (MD)
2880, University Avenue, Rocky Bluff, Madison, Dane County, Wisconsin, 53705, United States
MADISON, WI 537053644
Phone: (608) 263-7171
Fax: (608) 226-5806
Type: Location
515 22ND AVE
MONROE, WI 535661569
Phone: (608) 324-2000
Type: Location
1301 Kiwanis Dr
Freeport, IL 610326907
Phone: (608) 324-2000
Type: Location
2880 University Ave
Madison, WI 537053644
Phone: (608) 263-7171
Fax: (608) 226-5806
Type: Location
Monroe Clinic Hospital, 515, 22nd Avenue, Monroe, Green County, Wisconsin, 53566, United States
MONROE, WI 535661569
Phone: (608) 324-2159
Type: Mailing
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.
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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: 2013-09-30
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 |
|---|---|---|---|---|
| I20120918000195 | I | Ophthalmology | WI | TBD |
| I20130930000169 | 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 |
|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | 760 | 163 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 680 | 512 | $0 |
| 92014 | Established patient complete exam of visual system | 324 | 316 | $0 |
| 92133 | Imaging of optic nerve | 175 | 174 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 162 | 157 | $0 |
Insurance plans in this area (ZIP 53705)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OPHTHALMOLOGY | WI | 92012 | Eye and medical examination for diagnosis and treatment, established patient | 222 | 171 |
| OPHTHALMOLOGY | WI | 92083 | Measurement of field of vision during daylight conditions | 37 | 36 |
| OPHTHALMOLOGY | WI | 92134 | Diagnostic imaging of retina | 46 | 40 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| - | WI | |
| Clinical Psychologist | WI | |
| - | WI | |
| P A T H O L O G Y | IL | |
| - | LA | |
| Emergency Medicine | WI | |
| A N E S T H E S I O L O G Y | WI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | WI | |
| Nurse Practitioner | WI |
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