William Plum, MD
NPI 1356731343 · Glaucoma Specialist (Ophthalmology) Physician · Mount Dora, FL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Plum, MD is a Glaucoma Specialist (Ophthalmology) Physician provider in Mount Dora, FL (NPI 1356731343).
Provider details
- NPI number
- 1356731343
- Entity type
- Individual
- Primary specialty
- Glaucoma Specialist (Ophthalmology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 317724 (NY)
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
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,600 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 Problem Focused Exam of Visual System92012 | 528 | $89 |
| Exam of Visual Field With Extended Testing92083 | 461 | $63 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 408 | $93 |
| Imaging of Optic Nerve92133 | 338 | $34 |
| Photography of the Retina92250 | 326 | $37 |
| Established Patient Complete Exam of Visual System92014 | 305 | $126 |
| Measurement of Corneal Curvature and Depth of Eye |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,013 | 423 |
| Timolol Maleate | 446 | 197 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 442 | 171 |
| Brimonidine Tartrate | 440 | 194 |
| Prednisolone Acetate | 393 | 239 |
| Moxifloxacin Hclbrand: Moxifloxacin | 257 | 160 |
| Dorzolamide Hcl | 125 | 65 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$361 across 20 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
Additional practice locations (3)
- 600 N 14th StLeesburg, FL 34748-4204Phone: (352) 787-5900
- 17556 Se 109th Terrace RdSummerfield, FL 34491-6907Phone: (352) 347-2100
- 5743 Williamsburg LnWildwood, FL 34785-8129Phone: (352) 744-7002
Registry dates
- Enumerated
- 2015-01-28
- Last updated
- 2023-04-18
- Certified
- 2023-04-18
Frequently asked questions
- What is William Plum's NPI number?
- William Plum's National Provider Identifier (NPI) is 1356731343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Plum's specialty?
- William Plum is listed in the NPPES registry with a primary specialty of Glaucoma Specialist (Ophthalmology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Plum located?
- William Plum's practice location on file with NPPES is 17560 US Highway 441, Mount Dora, FL 32757-6711.
- What is William Plum's phone number?
- The practice phone number listed in the NPPES registry for William Plum is (352) 744-7002.
- Does William Plum accept Medicare?
- William Plum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Plum's NPI active?
- Yes — William Plum's NPI (1356731343) is active in the NPPES registry as of the last update on 2023-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.