Joseph Zilisch
NPI 1144683517 · Ophthalmology Physician · Glendale, WI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Zilisch is a Ophthalmology Physician provider in Glendale, WI (NPI 1144683517).
Provider details
- NPI number
- 1144683517
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 0101269431 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
887 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 289 | $119 |
| Established Patient Problem Focused Exam of Visual System92012 | 183 | $84 |
| Imaging of Retina92134 | 87 | $38 |
| Exam of Visual Field With Extended Testing92083 | 57 | $59 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 50 | $504 |
| Photography of the Retina92250 | 42 | $35 |
| Imaging of Optic Nerve |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 573 | 153 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 275 | 65 |
| Timolol Maleate | 166 | 49 |
| Brimonidine Tartrate | 71 | 23 |
| Prednisolone Acetate | 44 | 32 |
| Brimonidine Tartrate/Timololbrand: Brimonidine Tartrate-Timolol | 36 | — |
| Bimatoprostbrand: Lumigan | 31 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-01
- Last updated
- 2021-06-08
- Certified
- 2021-06-08
Frequently asked questions
- What is Joseph Zilisch's NPI number?
- Joseph Zilisch's National Provider Identifier (NPI) is 1144683517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Zilisch's specialty?
- Joseph Zilisch is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Zilisch located?
- Joseph Zilisch's practice location on file with NPPES is 5150 N Port Washington Rd Ste 251, Glendale, WI 53217-5477.
- What is Joseph Zilisch's phone number?
- The practice phone number listed in the NPPES registry for Joseph Zilisch is (414) 332-0606.
- Does Joseph Zilisch accept Medicare?
- Joseph Zilisch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Zilisch's NPI active?
- Yes — Joseph Zilisch's NPI (1144683517) is active in the NPPES registry as of the last update on 2021-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.