Brendan Gilmore, M.D.
NPI 1619396231 · Hematology & Oncology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brendan Gilmore, M.D. is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1619396231).
Provider details
- NPI number
- 1619396231
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036142669 (IL)
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
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,253 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 Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 357 | $100 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 324 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 177 | $81 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 147 | $149 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 77 | $136 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 78 | 23 |
| Apixabanbrand: Eliquis | 71 | 21 |
| Prednisone | 70 | 14 |
| Abiraterone Acetate | 52 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 48 | 22 |
| Ondansetron Hcl | 37 | 27 |
| Tamoxifen Citrate | 37 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$226 across 10 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
Registry dates
- Enumerated
- 2014-04-10
- Last updated
- 2026-01-20
- Certified
- 2026-01-20
Frequently asked questions
- What is Brendan Gilmore's NPI number?
- Brendan Gilmore's National Provider Identifier (NPI) is 1619396231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Gilmore's specialty?
- Brendan Gilmore is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Brendan Gilmore located?
- Brendan Gilmore's practice location on file with NPPES is 5140 N California Ave Ste 600, Chicago, IL 60625-3664.
- What is Brendan Gilmore's phone number?
- The practice phone number listed in the NPPES registry for Brendan Gilmore is (773) 989-3803.
- Does Brendan Gilmore accept Medicare?
- Brendan Gilmore is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brendan Gilmore's NPI active?
- Yes — Brendan Gilmore's NPI (1619396231) is active in the NPPES registry as of the last update on 2026-01-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.