William Ensor, D.O.
NPI 1942658984 · Ophthalmology Physician · Danville, PA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ensor, D.O. is a Ophthalmology Physician provider in Danville, PA (NPI 1942658984).
Provider details
- NPI number
- 1942658984
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS020519 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
603 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $83 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 48 | $506 |
| Imaging of Optic Nerve92133 | 44 | $34 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 44 | $42 |
| Ct Scan of Cornea92025 | 42 | $33 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 343 | 74 |
| Prednisolone Acetate | 203 | 147 |
| Erythromycin Basebrand: Erythromycin | 121 | 48 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 115 | 27 |
| Brimonidine Tartrate | 106 | 23 |
| Cyclosporine | 66 | 18 |
| Timolol Maleate | 45 | 16 |
| Cyclosporine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-01
- Last updated
- 2020-07-13
- Certified
- 2020-07-13
Frequently asked questions
- What is William Ensor's NPI number?
- William Ensor's National Provider Identifier (NPI) is 1942658984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ensor's specialty?
- William Ensor is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is William Ensor located?
- William Ensor's practice location on file with NPPES is 16 Woodbine Ln, Danville, PA 17821-8029.
- What is William Ensor's phone number?
- The practice phone number listed in the NPPES registry for William Ensor is (570) 271-6531.
- Does William Ensor accept Medicare?
- William Ensor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ensor's NPI active?
- Yes — William Ensor's NPI (1942658984) is active in the NPPES registry as of the last update on 2020-07-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.