Timothy Gillison, MD
NPI 1710905906 · Hematology & Oncology Physician · Springfield, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Gillison, MD is a Hematology & Oncology Physician provider in Springfield, IL (NPI 1710905906).
Provider details
- NPI number
- 1710905906
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036125875 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
4,760 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 868 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 769 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 700 | $125 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 390 | $88 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 330 | $120 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Ionized)80047 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 50 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 236 | 60 |
| Potassium Chloride | 103 | 34 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 88 | 38 |
| Hydroxyurea | 71 | 17 |
| Ibrutinibbrand: Imbruvica | 71 | — |
| Ondansetron Hcl | 70 | 31 |
| Prednisone | 69 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$706 across 32 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
- 2006-07-17
- Last updated
- 2020-05-22
- Certified
- 2020-05-22
Frequently asked questions
- What is Timothy Gillison's NPI number?
- Timothy Gillison's National Provider Identifier (NPI) is 1710905906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Gillison's specialty?
- Timothy Gillison is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Gillison located?
- Timothy Gillison's practice location on file with NPPES is 900 N. 1st Street, Springfield, IL 62702-3749.
- What is Timothy Gillison's phone number?
- The practice phone number listed in the NPPES registry for Timothy Gillison is (217) 528-7541.
- Does Timothy Gillison accept Medicare?
- Timothy Gillison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Gillison's NPI active?
- Yes — Timothy Gillison's NPI (1710905906) is active in the NPPES registry as of the last update on 2020-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.