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.

IndividualActiveAccepts Medicare

Brian Weismann, MD

NPI 1821082181 · Ophthalmology Physician · St John, IN

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)

Practice location

10220 Wicker Ave

Ste a

St John, IN 46373-9439

Phone: (219) 365-3900

Fax: (219) 365-5874

Street-level locationGet directions

Mailing address

10220 Wicker Ave

St John, IN 46373-9439

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense 01046205A (IN)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(70/100 index)

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

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.

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

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)