Brian Weiland
NPI 1225597529 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Weiland is a Internal Medicine Physician provider in Chicago, IL (NPI 1225597529).
Provider details
- NPI number
- 1225597529
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036.159762 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 736 | 82 |
| Amlodipine Besylate | 274 | 38 |
| Pantoprazole Sodium | 241 | 34 |
| Telmisartan | 240 | 24 |
| Omeprazole | 220 | 24 |
| Metformin Hclbrand: Metformin Hcl Er | 209 | 26 |
| Famotidine | 177 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-16
- Last updated
- 2022-08-27
- Certified
- 2022-08-26
Frequently asked questions
- What is Brian Weiland's NPI number?
- Brian Weiland's National Provider Identifier (NPI) is 1225597529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Weiland's specialty?
- Brian Weiland is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Weiland located?
- Brian Weiland's practice location on file with NPPES is 1400 W Greenleaf Ave, Chicago, IL 60626-2805.
- What is Brian Weiland's phone number?
- The practice phone number listed in the NPPES registry for Brian Weiland is (773) 508-6135.
- Does Brian Weiland accept Medicare?
- Brian Weiland is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Weiland's NPI active?
- Yes — Brian Weiland's NPI (1225597529) is active in the NPPES registry as of the last update on 2022-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.