Philip Niswander, M.D.
NPI 1306844550 · Ophthalmology Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Philip Niswander, M.D. is a Ophthalmology Physician provider in Williamsville, NY (NPI 1306844550).
Provider details
- NPI number
- 1306844550
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 142714 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
729 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 | 414 | $120 |
| Imaging of Retina92134 | 85 | $38 |
| Exam of Visual Field With Extended Testing92083 | 70 | $60 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $87 |
| Imaging of Optic Nerve92133 | 54 | $34 |
| New Patient Complete Exam of Visual System92004 | 20 | $142 |
| Photography of the Retina |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 810 | 177 |
| Timolol Maleate | 174 | 51 |
| Bimatoprostbrand: Lumigan | 158 | 45 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 158 | 140 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 151 | 42 |
| Prednisolone Acetate | 138 | 104 |
| Brimonidine Tartrate | 97 | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 records (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
- 2005-07-12
- Last updated
- 2021-07-22
- Certified
- 2021-07-22
Frequently asked questions
- What is Philip Niswander's NPI number?
- Philip Niswander's National Provider Identifier (NPI) is 1306844550, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Philip Niswander's specialty?
- Philip Niswander is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Philip Niswander located?
- Philip Niswander's practice location on file with NPPES is 40 N Union Rd, Williamsville, NY 14221-5339.
- What is Philip Niswander's phone number?
- The practice phone number listed in the NPPES registry for Philip Niswander is (716) 634-4441.
- Does Philip Niswander accept Medicare?
- Philip Niswander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Philip Niswander's NPI active?
- Yes — Philip Niswander's NPI (1306844550) is active in the NPPES registry as of the last update on 2021-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.