Benjamin Esparaz, M.D.
NPI 1275502940 · Hematology & Oncology Physician · Decatur, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Esparaz, M.D. is a Hematology & Oncology Physician provider in Decatur, IL (NPI 1275502940).
Provider details
- NPI number
- 1275502940
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036071926 (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
20 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
951 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 215 | $87 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 189 | $173 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 87 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 59 | $10 |
| Microscopic Examination for White Blood Cells With Manual Cell Count85007 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 47 | 20 |
| Ibrutinibbrand: Imbruvica | 26 | — |
| Acyclovir | 18 | — |
| Tamoxifen Citrate | 18 | — |
| Trifluridine/Tipiracil Hclbrand: Lonsurf | 18 | — |
| Ondansetron Hcl | 17 | 11 |
| Prochlorperazine Maleate | 17 | 12 |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$247 across 14 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
- 2006-03-15
- Last updated
- 2021-12-09
- Certified
- 2021-12-09
Frequently asked questions
- What is Benjamin Esparaz's NPI number?
- Benjamin Esparaz's National Provider Identifier (NPI) is 1275502940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Esparaz's specialty?
- Benjamin Esparaz is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Esparaz located?
- Benjamin Esparaz's practice location on file with NPPES is 210 W Mckinley Ave Ste 1, Decatur, IL 62526-5858.
- What is Benjamin Esparaz's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Esparaz is (217) 876-6600.
- Does Benjamin Esparaz accept Medicare?
- Benjamin Esparaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Esparaz's NPI active?
- Yes — Benjamin Esparaz's NPI (1275502940) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.