Brian Weismann, MD
NPI 1821082181 · Ophthalmology Physician · St John, IN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Weismann, MD is a Ophthalmology Physician provider in St John, IN (NPI 1821082181).
Provider details
- NPI number
- 1821082181
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01046205A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 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
799 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 642 | $89 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $126 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 59 | $108 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 16 | $528 |
| Ultrasound Scan to Determine Eye Length and Lens Power76519 | 15 | $66 |
Typical Medicare-allowed amounts for these services range $66–$528 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 246 | 50 |
| Timolol Maleate | 61 | 21 |
| Prednisolone Acetate | 45 | 27 |
| Diclofenac Sodium | 29 | 19 |
| Brimonidine Tartrate | 27 | — |
| Moxifloxacin Hclbrand: Moxifloxacin | 26 | 20 |
| Tobramycin/Dexamethasonebrand: Tobramycin-Dexamethasone | 22 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-01
- Last updated
- 2012-09-21
Frequently asked questions
- What is Brian Weismann's NPI number?
- Brian Weismann's National Provider Identifier (NPI) is 1821082181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Weismann's specialty?
- Brian Weismann is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Weismann located?
- Brian Weismann's practice location on file with NPPES is 10220 Wicker Ave, St John, IN 46373-9439.
- What is Brian Weismann's phone number?
- The practice phone number listed in the NPPES registry for Brian Weismann is (219) 365-3900.
- Does Brian Weismann accept Medicare?
- Brian Weismann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Weismann's NPI active?
- Yes — Brian Weismann's NPI (1821082181) is active in the NPPES registry as of the last update on 2012-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.